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PMID |
Sentence |
1 |
11672594
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In particular, the potential involvement of: (i) the CpG pattern-recognition receptor, toll-like receptor-9; (ii) the dendritic cell-specific surface adhesion molecule, DC-SIGN; and (iii) the molecular interactions between CD40 and CD154 in the evolution of protective cell-mediated immunity to DNA vaccines are discussed.
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2 |
11861616
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The recognition of CpG motifs requires Toll-like receptor (TLR) 9, which triggers alterations in cellular redox balance and the induction of cell signaling pathways including the mitogen activated protein kinases (MAPKs) and NF kappa B.
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3 |
11861616
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Cells that express TLR-9, which include plasmacytoid dendritic cells (PDCs) and B cells, produce Th1-like proinflammatory cytokines, interferons, and chemokines.
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4 |
12445291
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In natural immune responses CD4+ T helper (Th) cells, reactive with peptide antigens presented by major histocompatibility complex (MHC) class II molecules on dendritic cells (DC), can drive the maturation of DC that is required for induction of CD8+ cytolytic T-lymphocyte (CTL) immunity.
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5 |
12445291
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Proper induction, expansion and maintenance of CTL responses are achieved through delicate interactions between CD4+ T cells, DC and CD8+ T cells involving several ligand-receptor pairs.
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6 |
12445291
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Th cells to a large extent operate through up-regulation of CD40L, which then interacts with CD40 on DC to cause DC maturation.
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7 |
12445291
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Subsequent CTL induction by activated DC requires CD80/CD86 on the DC to interact with the CD28 costimulatory receptor on CD8+ T cells.
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8 |
12445291
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Alternative molecular triggers of DC activation that can support induction of powerful CTL responses include agonistic anti-CD40 antibody or ligands of Toll-like receptors (TLR) such as LPS (TLR4 ligand) or oligodeoxynucleotides containing CpG-motifs (TLR9 ligand).
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9 |
12874236
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Heat-killed Brucella abortus induces TNF and IL-12p40 by distinct MyD88-dependent pathways: TNF, unlike IL-12p40 secretion, is Toll-like receptor 2 dependent.
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10 |
12874236
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Our results show that HKBA-mediated induction of IL-12p40 and TNF is dependent on the adapter molecule MyD88.
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11 |
12874236
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To identify the TLR involved in HKBA recognition, we examined HKBA responses in TLR2- and TLR4-deficient animals.
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12 |
12874236
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TNF responses to HKBA were TLR4 independent; however, the response in TLR2-deficient mice was significantly delayed and reduced, although not completely abolished.
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13 |
12874236
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Studies using Chinese hamster ovary/CD14 reporter cell lines stably transfected with either human TLR2 or human TLR4 confirmed the results seen with knockout mice, namely TLR2, but not TLR4, can mediate cellular activation by HKBA.
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14 |
12874236
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In addition, human embryonic kidney 293 cells, which do not respond to HKBA, were made responsive by transfecting TLR2, but not TLR4 or TLR9.
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15 |
12874236
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Taken together, our data demonstrate that MyD88-dependent pathways are crucial for activation by HKBA and that TLR2 plays a role in TNF, but not IL-12p40 pathways activated by this microbial product.
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16 |
14505917
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Co-formulation with compounds that targeted TLR-2, TLR-3, TLR-4, or TLR-9 elicited significantly diminished type 2 T cell responses that caused granulocytic inflammation and eosinophilia in the airways after challenge.
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17 |
14530357
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PDCs, which express TLR7 and TLR9, responded to imidazoquinolines (imiquimod and R-848) and to CpG oligodeoxynucleotides stimulation, resulting in enhancement in expression of costimulatory molecules and induction of IFN-alpha and IL-12p70.
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18 |
14530357
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In contrast, MDCs, which express TLR3, TLR4, and TLR7, responded to poly(I:C), LPS, and imidazoquinolines with phenotypic maturation and high production of IL-12 p70 without producing detectable IFN-alpha.
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19 |
14530357
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Optimally TLR ligand-stimulated PDCs or MDCs exposed to CMV or HIV-1 Ags enhanced autologous CMV- and HIV-1-specific memory T cell responses as measured by effector cytokine production compared with TLR ligand-activated monocytes and B cells or unstimulated PDCs and MDCs.
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20 |
14607920
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Antigenic epitopes fused to cationic peptide bound to oligonucleotides facilitate Toll-like receptor 9-dependent, but CD4+ T cell help-independent, priming of CD8+ T cells.
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21 |
14607920
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A priority in current vaccine research is the development of adjuvants that support the efficient priming of long-lasting, CD4(+) T cell help-independent CD8(+) T cell immunity.
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22 |
14607920
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CD8(+) T cell priming supported by this adjuvant was Toll-like receptor 9 dependent, but required no CD4(+) T cell help.
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23 |
14607920
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Antigenic epitopes fused to cationic peptide bound to oligonucleotides facilitate Toll-like receptor 9-dependent, but CD4+ T cell help-independent, priming of CD8+ T cells.
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24 |
14607920
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A priority in current vaccine research is the development of adjuvants that support the efficient priming of long-lasting, CD4(+) T cell help-independent CD8(+) T cell immunity.
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25 |
14607920
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CD8(+) T cell priming supported by this adjuvant was Toll-like receptor 9 dependent, but required no CD4(+) T cell help.
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26 |
14634101
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Dependent on the DC subset, activation resulted in type 1 IFN production, while both DC subsets produced IL-6 and up-regulated expression of costimulatory molecules CD40 and CD86.
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27 |
14634101
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In vivo, however, even upon repeated vaccination with plasmid DNA, priming of OVA-specific CTL and clonal expansion of SIINFEKL-specific CD8 T cells were equal in TLR9-positive and TLR9- or MyD88-negative mice.
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28 |
15271962
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DNA vaccines promote T helper 1 (Th1) responses by triggering interleukin-12 (IL-12) release by dendritic cells (DC) through Toll-like receptor 9 (TLR9).
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29 |
15271962
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This results in higher immunoglobulin G2a (IgG2a) responses compared to IgG1 responses, higher IFN-gamma responses compared to IL-10 CD4(+)-T-cell responses, and enhanced protection against Leishmania major infection in susceptible BALB/c mice.
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30 |
15289349
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Monoclonal antibody depletion experiments demonstrated that the adjuvant effects of CpG ODN and CTLA-4 blockades were CD8 dependent.
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31 |
15289349
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CpG ODN were partially natural killer cell dependent and ineffective in Toll-like Receptor 9(-/-) and interleukin 6(-/-) mice, whereas CTLA-4 blockade was partially CD4 dependent and functional in Toll-like Receptor 9(-/-) and interleukin 6(-/-) mice.
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32 |
15312142
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In the study described below, we report that DNA immunization was as effective in eliciting antigen-specific antibody and at stimulating antigen-specific interferon-gamma (IFN-gamma)-secreting cells in TLR9-/- mice as in TLR9+/+ mice.
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33 |
15560980
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Enforced endocytosis of Ag together with the adjuvant effect of Toll-like receptor 9 ligands might be key for the efficient cross-presentation of exogeneous Ag as well as for effective cross-priming of MHC class I restricted CD8 T effector cells.
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34 |
15574787
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In contrast with the NKT cell agonist alpha-galactosylceramide, which induces both IFN-gamma and IL-4 production by NKT cells, CpG-liposome only induced IFN-gamma production by NKT cells.
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35 |
15574787
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In addition to TLR9, at least two other factors, IL-12 production by DCs and direct contact between DCs and NK or NKT cells, were essential for inducing type 1 innate immunity by CpG-liposome.
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36 |
15652668
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In the absence of TLR9, bone marrow-derived dendritic cells lost their ability to secrete IL-12 and type I IFN in response not only to CpG as expected but also to the plasmids used for vaccination.
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37 |
15652668
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In contrast, DNA vaccination experiments showed that TLR9-deficient mice were able to mount Th1-biased antigen-specific antibody and IFN-gamma responses, albeit at lower levels than normal mice.
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38 |
15652668
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In the absence of TLR9, bone marrow-derived dendritic cells lost their ability to secrete IL-12 and type I IFN in response not only to CpG as expected but also to the plasmids used for vaccination.
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39 |
15652668
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In contrast, DNA vaccination experiments showed that TLR9-deficient mice were able to mount Th1-biased antigen-specific antibody and IFN-gamma responses, albeit at lower levels than normal mice.
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40 |
15653438
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Using one CpG-ODN, DSP30, we observed that it could upregulate not only Toll-like receptor 9 (TLR9) mRNA expression in activated B-cells, but also the early expression of CD69 followed by the sequential expression of CD80, CD86 and the nuclear factor (NF)-kappaB pathway.
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41 |
15653438
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Furthermore, mRNA expression of certain B-cell-derived cytokines was influenced by exposure to DSP30, with a strong upregulation of interleukin 6 (IL-6) and downregulation of IL1-beta.
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42 |
15653438
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Stimulation of B-cells, co-stimulated with IL-2, IL-10 and soluble CD40 ligand (sCD40L) with different CpG-ODNs, had differing effects on the terminal differentiation in vitro of B-cells into immunoglobulin-secreting cells.
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43 |
15744581
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Such interaction was reported to induce the hematopoietic cells to release large amounts of Th2 cytokines IL-4, IL-5, IL-10 and IL-13.
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44 |
15744581
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Type I IFNs reactivate the patients' inhibited Th1 cells to synthesize IL-2 and IL-12 cytokines that activate the maturation of CTL precursors.
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45 |
15744581
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The CpG ODNs A and B bind to Toll like receptors that are present in pDCs and B cells, respectively, CpG ODN - A is the ligand for TLR9+ pDCs and induce the release of large amounts of IFN-alpha, beta.
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46 |
15744581
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Based on these studies, a hypothesis is presented that treatment of HIV-1 infected and AIDS patients with CpG ODN-A and B or CpG ODN-C have the potential to inhibit IL-4 synthesis and release from FcrepsilonRI+ hematopoietic cells by inducing TLR9+ pDCs to release large amounts of type I IFNs.
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47 |
15744581
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Type I IFNs reactivate the patients' Th1 cells to synthesize IL-2 and IL-12 cytokines, activators of the precursor cytotoxic T cells (CTLs), leading to the reactivation of the inhibited adaptive immune response.
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48 |
15744581
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Such interaction was reported to induce the hematopoietic cells to release large amounts of Th2 cytokines IL-4, IL-5, IL-10 and IL-13.
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49 |
15744581
|
Type I IFNs reactivate the patients' inhibited Th1 cells to synthesize IL-2 and IL-12 cytokines that activate the maturation of CTL precursors.
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50 |
15744581
|
The CpG ODNs A and B bind to Toll like receptors that are present in pDCs and B cells, respectively, CpG ODN - A is the ligand for TLR9+ pDCs and induce the release of large amounts of IFN-alpha, beta.
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51 |
15744581
|
Based on these studies, a hypothesis is presented that treatment of HIV-1 infected and AIDS patients with CpG ODN-A and B or CpG ODN-C have the potential to inhibit IL-4 synthesis and release from FcrepsilonRI+ hematopoietic cells by inducing TLR9+ pDCs to release large amounts of type I IFNs.
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52 |
15744581
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Type I IFNs reactivate the patients' Th1 cells to synthesize IL-2 and IL-12 cytokines, activators of the precursor cytotoxic T cells (CTLs), leading to the reactivation of the inhibited adaptive immune response.
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53 |
16081189
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These include imidazoquinoline compounds such as Imiquimod and Resiquimod (R-848) that bind to TLR7 and 8, as well as CpG oligodeoxynucleotides (CpG ODN) that bind to TLR9.
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54 |
16219698
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HIV Gag protein conjugated to a Toll-like receptor 7/8 agonist improves the magnitude and quality of Th1 and CD8+ T cell responses in nonhuman primates.
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55 |
16219698
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NHPs immunized with HIV Gag protein and a TLR7/8 agonist or a TLR9 ligand [CpG oligodeoxynucleotides (CpG ODN)] had significantly increased Gag-specific T helper 1 and antibody responses, compared with animals immunized with HIV Gag protein alone.
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56 |
16461338
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Specifically, YF-17D activates multiple DC subsets via TLRs 2, 7, 8, and 9 to elicit the proinflammatory cytokines interleukin (IL)-12p40, IL-6, and interferon-alpha.
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57 |
16461338
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Furthermore, distinct TLRs appear to differentially control the Th1/Th2 balance; thus, whilst MyD88-deficient mice show a profound impairment of Th1 cytokines, TLR2-deficient mice show greatly enhanced Th1 and Tc1 responses to YF-17D.
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58 |
16472709
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Cancer vaccines, using autologous tumor cells genetically modified with granulocyte-macrophage colony-stimulating factor, constitute a new therapeutic option for patients with chemoresistant advanced NSCLC.
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59 |
16472709
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Vaccines based on lymphocyte-defined tumor antigens, such as melanoma-associated antigen-3, toll-like receptor 9, and mucin 1, are also in the first stages of testing and have shown promising preliminary results.
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60 |
16513388
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MyD88 knockout (KO) mice, but not TLR2-, TLR4- or TLR9-deficient mice, rapidly succumbed following in vivo bacterial infection via the intradermal route even with a very low dose of LVS (5 x 10(1)) that was 100,000-fold less than the LD(50) of normal wild-type (WT) mice.
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61 |
16513388
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By day 5 after LVS infection, bacterial organ burdens were 5-6 logs higher in MyD88 knockout mice; further, unlike infected WT mice, levels of interferon-gamma in the sera of LVS-infected MyD88 KO were undetectable.
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62 |
16636134
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NHP were immunized with HIV Gag protein emulsified in Montanide ISA 51, an oil-based adjuvant, with or without a TLR7/8 agonist, a TLR8 agonist, or the TLR9 ligand cytosine phosphate guanosine oligodeoxynucleotides (CpG ODN), and boosted 12 wk later with a replication-defective adenovirus-expressing HIV-Gag (rAD-Gag).
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63 |
16678312
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IC31, the combination of a novel immunostimulatory oligodeoxynucleotide containing deoxy-Inosine/deoxy-Cytosine (ODN1a) and the antimicrobial peptide KLKL(5)KLK, represents a promising novel adjuvant signaling via the TLR9/MyD88-dependent pathway of the innate immune system.
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64 |
16678312
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Activation of murine dendritic cells by IC31 induced efficiently proliferation of naïve CD4(+) TCR transgenic T cells (DO.11.10) as well as their differentiation into IFN-gamma- and IL-4-producing T cells in vitro.
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65 |
16690948
|
We hypothesized that plasmacytoid dendritic cells, the cells that provide large amounts of IFN-alpha in response to Toll-like receptor 9 (TLR9) agonists, are defective in neonates.
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66 |
16690948
|
TLR9-stimulation of whole blood from adults and neonates resulted in comparable amounts of IFN-alpha production.
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67 |
16690948
|
However, we observed small but significant differences in IFN-alpha production from purified CD123+ plasmacytoid dendritic cells from neonates after stimulation with the TLR9 ligand CpG-DNA.
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68 |
16690948
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While purified CD123+ plasmacytoid dendritic cells from adults up-regulated co-stimulatory molecules CD80 and CD86 with IL-3 alone those from neonates required the addition of CpG-DNA to reach adult levels.
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69 |
16690948
|
We hypothesized that plasmacytoid dendritic cells, the cells that provide large amounts of IFN-alpha in response to Toll-like receptor 9 (TLR9) agonists, are defective in neonates.
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70 |
16690948
|
TLR9-stimulation of whole blood from adults and neonates resulted in comparable amounts of IFN-alpha production.
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71 |
16690948
|
However, we observed small but significant differences in IFN-alpha production from purified CD123+ plasmacytoid dendritic cells from neonates after stimulation with the TLR9 ligand CpG-DNA.
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72 |
16690948
|
While purified CD123+ plasmacytoid dendritic cells from adults up-regulated co-stimulatory molecules CD80 and CD86 with IL-3 alone those from neonates required the addition of CpG-DNA to reach adult levels.
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73 |
16690948
|
We hypothesized that plasmacytoid dendritic cells, the cells that provide large amounts of IFN-alpha in response to Toll-like receptor 9 (TLR9) agonists, are defective in neonates.
|
74 |
16690948
|
TLR9-stimulation of whole blood from adults and neonates resulted in comparable amounts of IFN-alpha production.
|
75 |
16690948
|
However, we observed small but significant differences in IFN-alpha production from purified CD123+ plasmacytoid dendritic cells from neonates after stimulation with the TLR9 ligand CpG-DNA.
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76 |
16690948
|
While purified CD123+ plasmacytoid dendritic cells from adults up-regulated co-stimulatory molecules CD80 and CD86 with IL-3 alone those from neonates required the addition of CpG-DNA to reach adult levels.
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77 |
16751377
|
Efficient immunization and cross-priming by vaccine adjuvants containing TLR3 or TLR9 agonists complexed to cationic liposomes.
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78 |
16751377
|
We found that liposomes complexed to nucleic acids (liposome-Ag-nucleic acid complexes; LANAC) were particularly effective adjuvants for eliciting CD4(+) and CD8(+) T cell responses against peptide and protein Ags.
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79 |
16751377
|
Notably, LANAC containing TLR3 or TLR9 agonists effectively cross-primed CD8(+) T cell responses against even low doses of protein Ags, and this effect was independent of CD4(+) T cell help.
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80 |
16751377
|
Efficient immunization and cross-priming by vaccine adjuvants containing TLR3 or TLR9 agonists complexed to cationic liposomes.
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81 |
16751377
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We found that liposomes complexed to nucleic acids (liposome-Ag-nucleic acid complexes; LANAC) were particularly effective adjuvants for eliciting CD4(+) and CD8(+) T cell responses against peptide and protein Ags.
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82 |
16751377
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Notably, LANAC containing TLR3 or TLR9 agonists effectively cross-primed CD8(+) T cell responses against even low doses of protein Ags, and this effect was independent of CD4(+) T cell help.
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83 |
16771860
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Here we report for the first time that CD45-/- bone marrow dendritic cells (BMDC) are more activated than CD45+/+ cells and that tumour necrosis factor (TNF) and interleukin-6 (IL-6) production by BMDC and splenic dendritic cells (sDC), is increased following stimulation via Toll-like receptor (TLR)3 and TLR9.
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84 |
16771860
|
Nuclear factor-kappaB activation, an important downstream consequence of TLR3 and TLR9 signalling, is also increased in CD45-/- BMDC.
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85 |
16771860
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BMDC of CD45-/- mice also produce more TNF and IL-6 following stimulation with the cytokines TNF and interferon-alpha.
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86 |
16771860
|
Here we report for the first time that CD45-/- bone marrow dendritic cells (BMDC) are more activated than CD45+/+ cells and that tumour necrosis factor (TNF) and interleukin-6 (IL-6) production by BMDC and splenic dendritic cells (sDC), is increased following stimulation via Toll-like receptor (TLR)3 and TLR9.
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87 |
16771860
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Nuclear factor-kappaB activation, an important downstream consequence of TLR3 and TLR9 signalling, is also increased in CD45-/- BMDC.
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88 |
16771860
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BMDC of CD45-/- mice also produce more TNF and IL-6 following stimulation with the cytokines TNF and interferon-alpha.
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89 |
16829609
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The 3' CCACCA sequence of tRNAAla(UGC) is the motif that is important in inducing Th1-like immune response, and this motif can be recognized by Toll-like receptor 3.
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90 |
16829609
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Moreover, the recognitions of different tRNA(Ala)(UGC) fragments by TLR3, TLR7, TLR8, and TLR9 were analyzed.
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91 |
16920494
|
The role of TLRs during infection with Mycobacterium bovis Bacillus Calmette-Guérin (BCG) has been evaluated for TLR2 and TLR4 only.
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92 |
16920494
|
To identify the set of TLRs involved in the recognition of BCG, we infected bone marrow-derived macrophages and bone marrow-derived dendritic cells (Flt3-ligand generated DCs) from TLR2, TLR3, TLR4, TLR7, TLR9, MyD88 knockout, TLR2/4 and TLR2/4/9 multiple knockout mice.
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93 |
16920494
|
The degree of activation and stimulation was determined by TNFalpha, IL-6 and IL-12p40 ELISA.
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94 |
16920494
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Both macrophages and DCs produce markedly decreased amounts of TNFalpha and IL-6 in the absence of TLR2 whereas no significant reduction could be observed for TLR3, 4, 7, 9 single TLR-knockouts.
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95 |
16920494
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Similarly, up-regulation of CD86 is abolished only in TLR2/4/9-deficient DCs supporting a role of TLR9 in the recognition of M. bovis BCG by murine dendritic cells.
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96 |
16920494
|
The role of TLRs during infection with Mycobacterium bovis Bacillus Calmette-Guérin (BCG) has been evaluated for TLR2 and TLR4 only.
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97 |
16920494
|
To identify the set of TLRs involved in the recognition of BCG, we infected bone marrow-derived macrophages and bone marrow-derived dendritic cells (Flt3-ligand generated DCs) from TLR2, TLR3, TLR4, TLR7, TLR9, MyD88 knockout, TLR2/4 and TLR2/4/9 multiple knockout mice.
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98 |
16920494
|
The degree of activation and stimulation was determined by TNFalpha, IL-6 and IL-12p40 ELISA.
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99 |
16920494
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Both macrophages and DCs produce markedly decreased amounts of TNFalpha and IL-6 in the absence of TLR2 whereas no significant reduction could be observed for TLR3, 4, 7, 9 single TLR-knockouts.
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100 |
16920494
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Similarly, up-regulation of CD86 is abolished only in TLR2/4/9-deficient DCs supporting a role of TLR9 in the recognition of M. bovis BCG by murine dendritic cells.
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101 |
16922592
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CpG 7909, acting through the TLR9 receptor present in B cells and plasmacytoid dendritic cells, stimulates human B-cell proliferation, enhances antigen-specific antibody production and induces interferon-alpha production, interleukin-10 secretion and natural killer cell activity.
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102 |
16972041
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Respiratory syncytial virus(RSV)-induced allergy may be controlled by IL-4 and CX3C fractalkine antagonists and CpG ODN as adjuvant: hypothesis and implications for treatment.
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103 |
16972041
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Together with CpG ODNs that induce Toll-like receptor 9(+) (TLR9(+)) plasmacytoid dendritic cells to release type I IFN-alpha and -beta will reactivate the inhibited Th1 cells and the antiviral cytotoxic T leukocytes.
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104 |
17049678
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Tape-stripping induces expression of TLR-9 and tumor necrosis factor (TNF)-alpha in the skin, and CpG-ODN treatment through the tape-stripped skin enhances the migration of antigen presenting cells (APCs) to the draining lymph nodes.
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105 |
17049678
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On the other hand, TLR-9 mRNA and TNF-alpha mRNA were not observed in the skin when CpG-ODN was injected intradermally in a volume of 10 microL, or in a Th1-type immune response.
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106 |
17049678
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Tape-stripping induces expression of TLR-9 and tumor necrosis factor (TNF)-alpha in the skin, and CpG-ODN treatment through the tape-stripped skin enhances the migration of antigen presenting cells (APCs) to the draining lymph nodes.
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107 |
17049678
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On the other hand, TLR-9 mRNA and TNF-alpha mRNA were not observed in the skin when CpG-ODN was injected intradermally in a volume of 10 microL, or in a Th1-type immune response.
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108 |
17066089
|
Chronic lymphocytic leukemia (CLL) may be especially amenable to TLR agonists because it is an immunologically susceptible tumor with strong expression of several TLRs, particularly TLR-7 and TLR-9.
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109 |
17066089
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However, signaling pathways can be activated directly in CLL cells by TLR-7 and TLR-9 agonists, leading to the production of cytokines and costimulatory molecules in a manner that is dependent on the underlying cytogenetic abnormalities, but rendering the tumor cells more sensitive to killing by cytotoxic T cells, immunotoxins and some chemotherapeutic drugs.
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110 |
17066089
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Imidazoquinolines are TLR-7 agonists with strong local activity against CLL, and phase I trials of systemically administered imidazoquinolines (and also cytosine-phosphate-guanosine oligonucleotides that are TLR-9 agonists) are currently ongoing at different centers.
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111 |
17066089
|
Chronic lymphocytic leukemia (CLL) may be especially amenable to TLR agonists because it is an immunologically susceptible tumor with strong expression of several TLRs, particularly TLR-7 and TLR-9.
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112 |
17066089
|
However, signaling pathways can be activated directly in CLL cells by TLR-7 and TLR-9 agonists, leading to the production of cytokines and costimulatory molecules in a manner that is dependent on the underlying cytogenetic abnormalities, but rendering the tumor cells more sensitive to killing by cytotoxic T cells, immunotoxins and some chemotherapeutic drugs.
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113 |
17066089
|
Imidazoquinolines are TLR-7 agonists with strong local activity against CLL, and phase I trials of systemically administered imidazoquinolines (and also cytosine-phosphate-guanosine oligonucleotides that are TLR-9 agonists) are currently ongoing at different centers.
|
114 |
17066089
|
Chronic lymphocytic leukemia (CLL) may be especially amenable to TLR agonists because it is an immunologically susceptible tumor with strong expression of several TLRs, particularly TLR-7 and TLR-9.
|
115 |
17066089
|
However, signaling pathways can be activated directly in CLL cells by TLR-7 and TLR-9 agonists, leading to the production of cytokines and costimulatory molecules in a manner that is dependent on the underlying cytogenetic abnormalities, but rendering the tumor cells more sensitive to killing by cytotoxic T cells, immunotoxins and some chemotherapeutic drugs.
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116 |
17066089
|
Imidazoquinolines are TLR-7 agonists with strong local activity against CLL, and phase I trials of systemically administered imidazoquinolines (and also cytosine-phosphate-guanosine oligonucleotides that are TLR-9 agonists) are currently ongoing at different centers.
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117 |
17073943
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In this study, we showed that ovalbumin (OVA) protein-pulsed DC (DC(OVA))-derived EXO (EXO(OVA)) displayed MHC class I-OVA I peptide (pMHC I) complexes, CD11c, CD40, CD80, CCR7, DEC205, Toll-like receptor 4 (TLR4), TLR9, MyD88 and DC-SIGN molecules, but at a lower level than DC(OVA).
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118 |
17073943
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EXO(OVA) can be taken up by DC through LFA-1/CD54 and C-type lectin/mannose (glucosamine)-rich C-type lectin receptor (CLR) interactions.
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119 |
17073943
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Mature DC pulsed with EXO(OVA), which were referred to as mDC(EXO), expressed a higher level of pMHC I, MHC II, and costimulatory CD40, CD54 and CD80 than DC(OVA).
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120 |
17108047
|
While the majority of serotypes utilize coxsackievirus-adenovirus receptor (CAR) as their primary attachment receptor, subgroup B and subgroup D Ad37 serotypes use CD46.
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121 |
17108047
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We found that CD46 Ads were capable of alpha interferon (IFN-alpha) induction by peripheral blood mononuclear cells and that plasmacytoid dendritic cells (pDCs) were the principal producers of this cytokine.
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122 |
17108047
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IFN-alpha induction correlated with the permissivity of pDCs to CD46- but not CAR-utilizing Ad serotypes.
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123 |
17108047
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A role for Toll-like receptor 9 (TLR9) recognition of Ad was supported by the requirement for viral DNA and efficient endosomal acidification and by the ability of a TLR9-inhibitory oligonucleotide to attenuate IFN-alpha induction.
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124 |
17108047
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Cell lines expressing TLR9 that are permissive to infection by both CAR- and CD46-utilizing serotypes showed a preferential induction of TLR9-mediated events by CD46-utilizing Ads.
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125 |
17108047
|
Specifically, the latter virus types induced higher levels of cytokine expression and NF-kappaB activation in HeLa cells than CAR-dependent Ad types, despite equivalent infection rates.
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126 |
17108047
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While the majority of serotypes utilize coxsackievirus-adenovirus receptor (CAR) as their primary attachment receptor, subgroup B and subgroup D Ad37 serotypes use CD46.
|
127 |
17108047
|
We found that CD46 Ads were capable of alpha interferon (IFN-alpha) induction by peripheral blood mononuclear cells and that plasmacytoid dendritic cells (pDCs) were the principal producers of this cytokine.
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128 |
17108047
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IFN-alpha induction correlated with the permissivity of pDCs to CD46- but not CAR-utilizing Ad serotypes.
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129 |
17108047
|
A role for Toll-like receptor 9 (TLR9) recognition of Ad was supported by the requirement for viral DNA and efficient endosomal acidification and by the ability of a TLR9-inhibitory oligonucleotide to attenuate IFN-alpha induction.
|
130 |
17108047
|
Cell lines expressing TLR9 that are permissive to infection by both CAR- and CD46-utilizing serotypes showed a preferential induction of TLR9-mediated events by CD46-utilizing Ads.
|
131 |
17108047
|
Specifically, the latter virus types induced higher levels of cytokine expression and NF-kappaB activation in HeLa cells than CAR-dependent Ad types, despite equivalent infection rates.
|
132 |
17313486
|
Sequence analysis for potentially candidate genes such as IRF8, MyD88, TLR9, T-bet were performed.
|
133 |
17313486
|
Flow cytometric analysis showed that almost all patient's peripheral B cells had the transitional phenotype (CD24(bright) CD38(bright) CD27(neg)).
|
134 |
17313486
|
Sequence analysis for TLR9, MyD88, IRF8 and T-bet showed no mutations.
|
135 |
17313486
|
Sequence analysis for potentially candidate genes such as IRF8, MyD88, TLR9, T-bet were performed.
|
136 |
17313486
|
Flow cytometric analysis showed that almost all patient's peripheral B cells had the transitional phenotype (CD24(bright) CD38(bright) CD27(neg)).
|
137 |
17313486
|
Sequence analysis for TLR9, MyD88, IRF8 and T-bet showed no mutations.
|
138 |
17476348
|
Synthetic agonists for several TLRs, including TLR3, TLR4, TLR7, TLR8, and TLR9, have been or are being developed for the treatment of cancer.
|
139 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
140 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
141 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
142 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
143 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
144 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
145 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
146 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
147 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
148 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
149 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
150 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
151 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
152 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
153 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
154 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
155 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
156 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
157 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
158 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
159 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
160 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
161 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
162 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
163 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
164 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
165 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
166 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
167 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
168 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
169 |
17628235
|
Priming of CD8+ T-cell responses after DNA immunization is impaired in TLR9- and MyD88-deficient mice.
|
170 |
17628235
|
In the present study we assessed induction of CD8+ T-cell responses against an immunodominant H-2D(b)-restricted epitope of human prostate-specific antigen in C57Bl/6 (wild-type), TLR9- and MyD88-deficient mice.
|
171 |
17628235
|
A single DNA immunization resulted in efficient priming of CD8+ T responses in wild-type mice but not in TLR9- or MyD88-deficient mice.
|
172 |
17628235
|
However, priming of CD8+ T cell responses was observed in TLR9-deficient but not in MyD88-deficient mice after multiple DNA immunizations.
|
173 |
17628235
|
Moreover, induction of CD8+ T cell responses in TLR9-deficient mice was dependent on the presence of endotoxin contamination in plasmid DNA preparations.
|
174 |
17628235
|
Collectively, these results demonstrate that TLR9-dependent immunostimulatory activity of plasmid DNA is essential for priming of CD8+ T-cell responses and that other bacterial compounds present in plasmid DNA preparations and acting via MyD88-dependent pathway could provide alternative signals necessary for priming of CD8+ T cells.
|
175 |
17651955
|
T. cruzi triggers both MyD88-dependent and TRIF-dependent innate activation pathways in macrophages and dendritic cells.
|
176 |
17651955
|
TLR-2 and TLR-9 recognize GPI anchors and parasite DNA, respectively; however other, as yet undefined receptors and ligands, also appear to be involved in innate recognition.
|
177 |
17713026
|
It has been shown that a single parenteral administration of vaccine containing bacterial ligands for TLRI, TLR2, TLR4, TLR6, and TLR9 in mice induced rapid (24 h after administration) and effective (100%), but short-term (96 h) protection against lethal challenge with Salmonella typhimurium.
|
178 |
17855554
|
MVA stimulation of bone marrow-derived dendritic cells (DC) showed that plasmacytoid DC were main alpha IFN (IFN-alpha) producers that were triggered independently of productive infection, viral replication, or intermediate and late viral gene expression.
|
179 |
17855554
|
Increased IFN-alpha levels were induced upon treatment with mildly UV-irradiated MVA, suggesting that a virus-encoded immune modulator(s) interfered with the host cytokine response.
|
180 |
17855554
|
Mice devoid of Toll-like receptor 9 (TLR9), the receptor for double-stranded DNA, mounted normal IFN-alpha responses upon MVA treatment.
|
181 |
17855554
|
Furthermore, mice devoid of the adaptors of TLR signaling MyD88 and TRIF and mice deficient in protein kinase R (PKR) showed IFN-alpha responses that were only slightly reduced compared to those of wild-type mice.
|
182 |
17855554
|
MVA-induced IFN-alpha responses were critically dependent on autocrine/paracrine triggering of the IFN-alpha/beta receptor and were independent of IFN-beta, thus involving "one-half" of a positive-feedback loop.
|
183 |
17908810
|
The results demonstrate that TLR3, TLR4, TLR7, and TLR9 agonists enhance immune responses against LPS-deficient outer membrane complexes.
|
184 |
17954572
|
Adjuvanting a DNA vaccine with a TLR9 ligand plus Flt3 ligand results in enhanced cellular immunity against the simian immunodeficiency virus.
|
185 |
17954572
|
Rhesus macaques were injected with Fms-like tyrosine kinase 3 (Flt3)-ligand (FL) to expand dendritic cells (DCs) and were primed with a DNA vaccine encoding immunodeficiency virus antigens mixed with ligands for TLR9 or TLR7/8.
|
186 |
17954572
|
TLR9-L (CpG DNA) mediated activation of DCs in vivo and enhanced the magnitude of antigen-specific CD8(+) interferon (IFN) gamma(+) T cells and polyfunctional CD8(+) T cells producing IFN-gamma, tumor necrosis factor alpha, and interleukin 2.
|
187 |
17954572
|
Adjuvanting a DNA vaccine with a TLR9 ligand plus Flt3 ligand results in enhanced cellular immunity against the simian immunodeficiency virus.
|
188 |
17954572
|
Rhesus macaques were injected with Fms-like tyrosine kinase 3 (Flt3)-ligand (FL) to expand dendritic cells (DCs) and were primed with a DNA vaccine encoding immunodeficiency virus antigens mixed with ligands for TLR9 or TLR7/8.
|
189 |
17954572
|
TLR9-L (CpG DNA) mediated activation of DCs in vivo and enhanced the magnitude of antigen-specific CD8(+) interferon (IFN) gamma(+) T cells and polyfunctional CD8(+) T cells producing IFN-gamma, tumor necrosis factor alpha, and interleukin 2.
|
190 |
18071662
|
Because the immune system is naturally activated by foreign nucleic acids thanks to the presence of Toll-like Receptors (TLR) in endosomes (TLR3, 7, and 8 detect exogenous RNA, while TLR9 can detect exogenous DNA), the delivery of foreign nucleic acids usually induces an immune response directed against the encoded protein.
|
191 |
18077623
|
Following a demonstration that mouse-optimized cytosine-guanosine dinucleotide (CpG) oligodeoxynucleotides stimulated innate immune protection against intracellular pathogens, we tested the ability of CpG 7909, a primate-optimized Toll-like receptor 9 (TLR9) agonist, to stimulate rhesus macaques to produce interferon-inducible protein-10 (IP-10), a biomarker of immune activation.
|
192 |
18256672
|
Plasmid-DNA-activated, TBK1-dependent signalling and the resultant type-I interferon receptor-mediated signalling was required for induction of antigen-specific B and T cells, which occurred even in the absence of innate immune signalling through a well known CpG DNA sensor-Toll-like receptor 9 (TLR9) or Z-DNA binding protein 1 (ZBP1, also known as DAI, which was recently reported as a potential B-form DNA sensor).
|
193 |
18256672
|
Moreover, bone-marrow-transfer experiments revealed that TBK1-mediated signalling in haematopoietic cells was critical for the induction of antigen-specific B and CD4(+) T cells, whereas in non-haematopoietic cells TBK1 was required for CD8(+) T-cell induction.
|
194 |
18450485
|
However, readily dispersible adjuvants using TLR-9 and TLR-4 agonists skewed TCR repertoire usage by increasing TCR selection thresholds and enhancing antigen-specific clonal expansion.
|
195 |
18519662
|
Paired, but not solitary combinations of polyinosine:polycytadilic acid (P[I:C]; TLR3 agonist) and CpG DNA (ODN1826l; TLR9 agonist) stimulated IL-12 secretion from DCs in vitro and synergized with vaccination to achieve potent tumor rejection.
|
196 |
18641352
|
Adenovirus vector-induced innate inflammatory mediators, MAPK signaling, as well as adaptive immune responses are dependent upon both TLR2 and TLR9 in vivo.
|
197 |
18641352
|
The complexity of Ad-induced innate immune responses was confirmed when we also found that both TLR2 and MyD88 functions are required for the sustained activation of ERK1/2.
|
198 |
18641352
|
Finally, we found that several Ad-induced innate immune responses are dependent on both TLR2 and TLR9.
|
199 |
18641352
|
Adenovirus vector-induced innate inflammatory mediators, MAPK signaling, as well as adaptive immune responses are dependent upon both TLR2 and TLR9 in vivo.
|
200 |
18641352
|
The complexity of Ad-induced innate immune responses was confirmed when we also found that both TLR2 and MyD88 functions are required for the sustained activation of ERK1/2.
|
201 |
18641352
|
Finally, we found that several Ad-induced innate immune responses are dependent on both TLR2 and TLR9.
|
202 |
18758466
|
Inhibition of mTOR or its 'downstream' mediators, the p70 ribosomal S6 protein kinases p70S6K1 and p70S6K2, during pDC activation by Toll-like receptor 9 (TLR9) blocked the interaction of TLR9 with the adaptor MyD88 and subsequent activation of the interferon-regulatory factor IRF7, which resulted in impaired IFN-alpha/beta production.
|
203 |
19034349
|
TLR9 activation induces a Th1-like pattern of cytokine release which led to interest in the use of synthetic CpG oligodeoxynucleotides (CpG ODN) for the prevention and treatment of Th2-associated atopic disorders such as asthma.
|
204 |
19034349
|
Additional potential mechanisms of action include induction of regulatory-type responses (involving interleukin-10 release), and expression of indoleamine 2,3-dioxygenase.
|
205 |
19054578
|
In this study, we evaluated the patterns of TLR2-, TLR3- and TLR9-expressing antigen presenting cells (APCs) in spleen and blood of gnotobiotic (Gn) pigs after colonization with a mixture of two strains of lactic acid bacteria (LAB), Lactobacillus acidophilus and Lactobacillus reuteri or infection with the virulent human rotavirus (HRV) Wa strain.
|
206 |
19054578
|
We demonstrated that LAB induced strong TLR2-expressing APC responses in blood and spleen, HRV induced a TLR3 response in spleen, and TLR9 responses were induced by either HRV (in spleen) or LAB (in blood).
|
207 |
19054578
|
LAB and HRV have an additive effect on TLR2- and TLR9-expressing APC responses, consistent with the adjuvant effect of LAB.
|
208 |
19054578
|
LAB enhanced the IFN-gamma and IL-4 responses in serum, but it had a suppressive effect on the TLR3- and TLR9-expressing CD14- APC responses in spleen and the serum IFN-alpha response induced by HRV.
|
209 |
19054578
|
These results elucidated the systemic TLR2-, TLR3-, and TLR9-expressing monocyte/macrophage and cDC responses after HRV infection, LAB colonization, and the two combined.
|
210 |
19054578
|
In this study, we evaluated the patterns of TLR2-, TLR3- and TLR9-expressing antigen presenting cells (APCs) in spleen and blood of gnotobiotic (Gn) pigs after colonization with a mixture of two strains of lactic acid bacteria (LAB), Lactobacillus acidophilus and Lactobacillus reuteri or infection with the virulent human rotavirus (HRV) Wa strain.
|
211 |
19054578
|
We demonstrated that LAB induced strong TLR2-expressing APC responses in blood and spleen, HRV induced a TLR3 response in spleen, and TLR9 responses were induced by either HRV (in spleen) or LAB (in blood).
|
212 |
19054578
|
LAB and HRV have an additive effect on TLR2- and TLR9-expressing APC responses, consistent with the adjuvant effect of LAB.
|
213 |
19054578
|
LAB enhanced the IFN-gamma and IL-4 responses in serum, but it had a suppressive effect on the TLR3- and TLR9-expressing CD14- APC responses in spleen and the serum IFN-alpha response induced by HRV.
|
214 |
19054578
|
These results elucidated the systemic TLR2-, TLR3-, and TLR9-expressing monocyte/macrophage and cDC responses after HRV infection, LAB colonization, and the two combined.
|
215 |
19054578
|
In this study, we evaluated the patterns of TLR2-, TLR3- and TLR9-expressing antigen presenting cells (APCs) in spleen and blood of gnotobiotic (Gn) pigs after colonization with a mixture of two strains of lactic acid bacteria (LAB), Lactobacillus acidophilus and Lactobacillus reuteri or infection with the virulent human rotavirus (HRV) Wa strain.
|
216 |
19054578
|
We demonstrated that LAB induced strong TLR2-expressing APC responses in blood and spleen, HRV induced a TLR3 response in spleen, and TLR9 responses were induced by either HRV (in spleen) or LAB (in blood).
|
217 |
19054578
|
LAB and HRV have an additive effect on TLR2- and TLR9-expressing APC responses, consistent with the adjuvant effect of LAB.
|
218 |
19054578
|
LAB enhanced the IFN-gamma and IL-4 responses in serum, but it had a suppressive effect on the TLR3- and TLR9-expressing CD14- APC responses in spleen and the serum IFN-alpha response induced by HRV.
|
219 |
19054578
|
These results elucidated the systemic TLR2-, TLR3-, and TLR9-expressing monocyte/macrophage and cDC responses after HRV infection, LAB colonization, and the two combined.
|
220 |
19054578
|
In this study, we evaluated the patterns of TLR2-, TLR3- and TLR9-expressing antigen presenting cells (APCs) in spleen and blood of gnotobiotic (Gn) pigs after colonization with a mixture of two strains of lactic acid bacteria (LAB), Lactobacillus acidophilus and Lactobacillus reuteri or infection with the virulent human rotavirus (HRV) Wa strain.
|
221 |
19054578
|
We demonstrated that LAB induced strong TLR2-expressing APC responses in blood and spleen, HRV induced a TLR3 response in spleen, and TLR9 responses were induced by either HRV (in spleen) or LAB (in blood).
|
222 |
19054578
|
LAB and HRV have an additive effect on TLR2- and TLR9-expressing APC responses, consistent with the adjuvant effect of LAB.
|
223 |
19054578
|
LAB enhanced the IFN-gamma and IL-4 responses in serum, but it had a suppressive effect on the TLR3- and TLR9-expressing CD14- APC responses in spleen and the serum IFN-alpha response induced by HRV.
|
224 |
19054578
|
These results elucidated the systemic TLR2-, TLR3-, and TLR9-expressing monocyte/macrophage and cDC responses after HRV infection, LAB colonization, and the two combined.
|
225 |
19054578
|
In this study, we evaluated the patterns of TLR2-, TLR3- and TLR9-expressing antigen presenting cells (APCs) in spleen and blood of gnotobiotic (Gn) pigs after colonization with a mixture of two strains of lactic acid bacteria (LAB), Lactobacillus acidophilus and Lactobacillus reuteri or infection with the virulent human rotavirus (HRV) Wa strain.
|
226 |
19054578
|
We demonstrated that LAB induced strong TLR2-expressing APC responses in blood and spleen, HRV induced a TLR3 response in spleen, and TLR9 responses were induced by either HRV (in spleen) or LAB (in blood).
|
227 |
19054578
|
LAB and HRV have an additive effect on TLR2- and TLR9-expressing APC responses, consistent with the adjuvant effect of LAB.
|
228 |
19054578
|
LAB enhanced the IFN-gamma and IL-4 responses in serum, but it had a suppressive effect on the TLR3- and TLR9-expressing CD14- APC responses in spleen and the serum IFN-alpha response induced by HRV.
|
229 |
19054578
|
These results elucidated the systemic TLR2-, TLR3-, and TLR9-expressing monocyte/macrophage and cDC responses after HRV infection, LAB colonization, and the two combined.
|
230 |
19139565
|
By contrast, TLR9 was not highly expressed by naturally occurring CD4+CD25+ Treg or by Th1 and Th2 effector cells.
|
231 |
19139565
|
Furthermore, ingestion of calcitriol (1alpha25VitD3) by human volunteers led to an increase of both IL-10 and TLR9 expression by CD3+CD4+ T cells analyzed directly ex vivo.
|
232 |
19139565
|
Stimulation of 1alpha25VitD3-induced IL-10-secreting Treg with TLR9 agonists, CpG oligonucleotides, resulted in decreased IL-10 and IFN-gamma synthesis and a concurrent loss of regulatory function, but, unexpectedly, increased IL-4 synthesis.
|
233 |
19139565
|
By contrast, TLR9 was not highly expressed by naturally occurring CD4+CD25+ Treg or by Th1 and Th2 effector cells.
|
234 |
19139565
|
Furthermore, ingestion of calcitriol (1alpha25VitD3) by human volunteers led to an increase of both IL-10 and TLR9 expression by CD3+CD4+ T cells analyzed directly ex vivo.
|
235 |
19139565
|
Stimulation of 1alpha25VitD3-induced IL-10-secreting Treg with TLR9 agonists, CpG oligonucleotides, resulted in decreased IL-10 and IFN-gamma synthesis and a concurrent loss of regulatory function, but, unexpectedly, increased IL-4 synthesis.
|
236 |
19240169
|
Treatment of mammary carcinomas in HER-2 transgenic mice through combination of genetic vaccine and an agonist of Toll-like receptor 9.
|
237 |
19262501
|
A novel regulatory B-cell population in sheep Peyer's patches spontaneously secretes IL-10 and downregulates TLR9-induced IFNalpha responses.
|
238 |
19262501
|
Peripheral blood mononuclear cells and lymph node cells secreted significant amounts of interferon (IFN)-alpha, IFNgamma, and interleukin (IL)-12 following stimulation with CpG ODN.
|
239 |
19262501
|
PP cells spontaneously secreted high levels of IL-10, and the primary source of the IL-10 was resting CD5(-)CD11c(-)CD21(+) B cells.
|
240 |
19272649
|
Transcription of tumour necrosis factor-alpha (tnf alpha) and interleukin-6 (il6) genes, two cytokines directly related to TLR9 induction with unmethylated CpG oligodeoxynucleotides (CpG ODNs), was solely observed in head kidney and spleen of the fish immunised with pAE6-G.
|
241 |
19272649
|
Thus, the glycoprotein G of VHSV could be more implicated in triggering the pathways for TNF-alpha and IL6 production than the recognition of the unmethylated CpG motifs of the plasmid backbone by OmTLR9.
|
242 |
19273561
|
These two beta-glucans failed to stimulate TNF-alpha in Dectin-1 (beta-glucan receptor) knockout BMDCs.
|
243 |
19273561
|
The upregulation of TNF-alpha and downregulation of IL-12p70 required Dectin-1, but not IL-10.
|
244 |
19273561
|
Finally, costimulation of BMDCs with YGPs and either the TLR9 ligand, CpG, or the TLR2/1 ligand, Pam(3)CSK(4), resulted in upregulated secretion of IL-1alpha and IL-10 and downregulated secretion of IL-1beta, IL-6, and IFN-gamma-inducible protein 10 but had no significant effects on IL-12p40, keratinocyte-derived chemokine, monocyte chemotactic protein 1, or macrophage inflammatory protein alpha, compared with the TLR ligand alone.
|
245 |
19330719
|
Intracellular TLRs, represented by TLRs 3, 7, 8 and 9, are specialized for the recognition of different types of microbe-derived nucleic acids.
|
246 |
19428918
|
Agonists for TLR7, TLR8, and TLR9 have been shown to enhance vaccine immunogenicity.
|
247 |
19428920
|
The ID83 subunit vaccines containing synthetic TLR4 or TLR9 agonists generated a T helper-1 immune response and protected mice against challenge with Mtb regardless of route.
|
248 |
19525489
|
Innate immune stimulants may have applications as vaccine adjuvants as well as in the treatment of cancer and some viral diseases, and clinical studies have been performed using agonists of Toll-like receptors (TLRs) 7, 8, and 9.
|
249 |
19578865
|
We investigated the effect of different toll like receptor (TLR) agonists including LPS (TLR4 agonist), polyinosinic acid-polycytidylic acid (PIC, TLR3 agonist), CpG oligonucleotide (TLR9 agonist), and imiquimod (TLR7 agonist) on human monocyte-derived dendritic cells (mdDCs) loading of human papillomavirus (HPV) type 11 E7 epitope.
|
250 |
19578865
|
This was characterized by an enhanced expression of CD40, CD80, CD86, CD83 and HLA-DR, and a high level of IL-12 production.
|
251 |
19641529
|
Here, we show that B-cells activated through the toll-like receptor-9 (TLR-9) and CD40 up-regulate surface expression of major histocompatibility complex and costimulatory molecules, produce IL-12, and exhibit potent antigen-presenting properties in vitro.
|
252 |
19786561
|
Our data demonstrate that combining ML0276 with either a Toll-like receptor 4 (TLR4) (EM005), TLR7 (imiquimod), or TLR9 (CpG DNA) agonist during immunization induces Th1 responses that limit local inflammation upon experimental M. leprae infection.
|
253 |
19822632
|
Toll-like receptor 2, TLR4, and TLR9 were each essential for generating robust cytokine and antibody responses.
|
254 |
19899953
|
For example, TLR4 is activated by lipopolysaccharide (LPS), whereas TLR9 responds to microbial DNA (CpGs).
|
255 |
20051250
|
Co-stimulation with TLR7/8 and TLR9 agonists induce down-regulation of innate immune responses in sheep blood mononuclear and B cells.
|
256 |
20051250
|
Sheep PBMC stimulated with either CpG (TLR9 agonist) or RNA oligoribonucleotides ([ORNs], TLR7/8 agonist) exhibited significant IL-12 production, but only CpG induced IFNalpha, IgM and proliferative responses.
|
257 |
20051250
|
In contrast, poly(I:C) (TLR3 agonist) and LPS (TLR4 agonist) did not induce any of these responses.
|
258 |
20051250
|
Sheep B cells constitutively expressed TLR7, TLR8 and TLR9 mRNA transcripts, suggesting a possible role of TLR cross-talk in the down-regulatory mechanisms.
|
259 |
20051250
|
Co-stimulation with TLR7/8 and TLR9 agonists induce down-regulation of innate immune responses in sheep blood mononuclear and B cells.
|
260 |
20051250
|
Sheep PBMC stimulated with either CpG (TLR9 agonist) or RNA oligoribonucleotides ([ORNs], TLR7/8 agonist) exhibited significant IL-12 production, but only CpG induced IFNalpha, IgM and proliferative responses.
|
261 |
20051250
|
In contrast, poly(I:C) (TLR3 agonist) and LPS (TLR4 agonist) did not induce any of these responses.
|
262 |
20051250
|
Sheep B cells constitutively expressed TLR7, TLR8 and TLR9 mRNA transcripts, suggesting a possible role of TLR cross-talk in the down-regulatory mechanisms.
|
263 |
20051250
|
Co-stimulation with TLR7/8 and TLR9 agonists induce down-regulation of innate immune responses in sheep blood mononuclear and B cells.
|
264 |
20051250
|
Sheep PBMC stimulated with either CpG (TLR9 agonist) or RNA oligoribonucleotides ([ORNs], TLR7/8 agonist) exhibited significant IL-12 production, but only CpG induced IFNalpha, IgM and proliferative responses.
|
265 |
20051250
|
In contrast, poly(I:C) (TLR3 agonist) and LPS (TLR4 agonist) did not induce any of these responses.
|
266 |
20051250
|
Sheep B cells constitutively expressed TLR7, TLR8 and TLR9 mRNA transcripts, suggesting a possible role of TLR cross-talk in the down-regulatory mechanisms.
|
267 |
20100933
|
We used multicolor flow cytometry and intracellular cytokine staining of myeloid DCs (mDCs) and plasmacytoid DCs (pDCs) and found substantial decreases in older compared with young individuals in TNF-alpha, IL-6, and/or IL-12 (p40) production in mDCs and in TNF-alpha and IFN-alpha production in pDCs in response to TLR1/2, TLR2/6, TLR3, TLR5, and TLR8 engagement in mDCs and TLR7 and TLR9 in pDCs.
|
268 |
20101095
|
Here, we have found that utilizing ligands for 3 TLRs (TLR2/6, TLR3, and TLR9) greatly increased the protective efficacy of vaccination with an HIV envelope peptide in mice when compared with using ligands for only any 2 of these TLRs; surprisingly, increased protection was induced without a marked increase in the number of peptide-specific T cells.
|
269 |
20101095
|
The triple combination increased production of DC IL-15 along with its receptor, IL-15Ralpha, which contributed to high avidity, and decreased expression of programmed death-ligand 1 and induction of Tregs.
|
270 |
20231693
|
In this study, we purified merozoites, food vacuoles, and parasite membrane fragments released during the Plasmodium falciparum schizont burst to homogeneity and tested for the activation of bone marrow-derived DCs from wild-type and TLR2(-/-), TLR4(-/-), TLR9(-/-), and MyD88(-/-) C57BL/6J mice.
|
271 |
20442853
|
Acquisition of adult-like TLR4 and TLR9 responses during the first year of life.
|
272 |
20451253
|
Production of monocyte chemoattractant protein-1 (MCP-1/CCL2), macrophage inflammatory protein-1 (MIP-1/CCL3) and regulated on activation, normal T cell expressed and secreted (RANTES/CCL5), were determined in cell culture supernatants by ELISA or cytokine cytometric bead array.
|
273 |
20451253
|
Pharmacological inhibitors of p38 mitogen-activated protein kinase (MAPK), extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), nuclear factor-kappaB (NF-kB) and phosphatidylinositol 3-kinase (PI3K), were used to investigate the role of signaling pathways.
|
274 |
20451253
|
TLR agonists induced significantly elevated MCP-1, RANTES, and MIP-1.
|
275 |
20451253
|
Production of RANTES and MIP-1 was particularly prominent after stimulation of DCs with TLR3 (Poly(I:C)), and TLR7/8 (R848) or TLR9 (CpG ODN) agonists, respectively.
|
276 |
20451253
|
A positive role was identified for NF-kB, PI3K and ERK, whereas JNK had a negative regulatory effect on chemokine production in DCs.
|
277 |
20451253
|
Positive and negative regulatory roles for the p38 MAPK pathway were observed.
|
278 |
20466823
|
Optimal TLR9 signal converts tolerogenic CD4-8- DCs into immunogenic ones capable of stimulating antitumor immunity via activating CD4+ Th1/Th17 and NK cell responses.
|
279 |
20466823
|
We have demonstrated previously that CD4-8- DCs secreting TGF-beta stimulate CD4+ Tr1 cell responses.
|
280 |
20466823
|
Here, we have assessed whether TLR4 and TLR9 signaling through LPS and CpG stimulation can convert CD4-8- DC-induced tolerance.
|
281 |
20466823
|
CpG-treated, CD4-8- DCOVA-secreting IL-6/IL-15 induced IFN-gamma/IL-17-secreting/T-bet- and ROR-gammat-expressing CD4+ Th1/Th17, whereas LPS-treated CD4-8- DCOVA stimulated IFN-gamma-secreting/T-bet-expressing CD4+ Th1 responses.
|
282 |
20466823
|
CpG-treated, CD4-8- DCOVA-stimulated CD4+ Th1/Th17 cell responses and antitumor immunity were found to be reduced by using neutralizing anti-IL-6, IL-15, and NK1.1 antibodies in wild-type C57BL/6 mice, IL-15R-/- mice for immunization, or CD4-8- (IL-6-/-) DCOVA for immunization in C57BL/6 mice.
|
283 |
20466823
|
Interestingly, in vitro-generated CD4+ Th17 cells significantly enhanced LPS-treated, CD4-8- DCOVA-induced in vivo antitumor immunity via increasing CD8+ CTL responses (P<0.05), although they did not show any direct killing activity against tumor cells in vitro.
|
284 |
20466823
|
Taken together, our data demonstrate an effect of conversion of tolerogenic DCs into immunogenic ones capable of stimulating antitumor immunity via activating CD4+ Th1/Th17 and NK cell responses by optimal CpG signaling, which may advance current understanding of the importance of TLR9 signaling in a DC-based cancer vaccine.
|
285 |
20551621
|
This was confirmed by kinome analysis which demonstrated dynamic patterns of phosphorylation of key TLR adaptor proteins such as IRAK1, TAK1, IKK and NF-kappaB-p65 in CpG-stimulated blood CD21+ B cells, consistent with activation of the TLR9 pathway.
|
286 |
20610663
|
Since Toll-like receptor 2 (TLR2), TLR4, and TLR9 activation have been involved in HIV-1 recrudescence, we sought to determine the role of these TLRs in HIV-1 reactivation induced by the periodontal pathogens Fusobacterium nucleatum and Porphyromonas gingivalis using BF24 monocytes/macrophages stably transfected with the HIV-1 promoter driving chloramphenicol acetyltransferase (CAT) expression and THP89GFP cells, a model of HIV-1 latency.
|
287 |
20610663
|
We demonstrated that TLR9 activation by F. nucleatum and TLR2 activation by both bacteria appear to be involved in HIV-1 reactivation; however, TLR4 activation had no effect.
|
288 |
20610663
|
Moreover, the autocrine activity of tumor necrosis factor alpha (TNF-alpha) but not interleukin-1beta (IL-1beta) produced in response to bacteria could impact viral reactivation.
|
289 |
20610663
|
The transcription factors NF-kappaB and Sp1 appear to be positively regulating HIV-1 reactivation induced by these oral pathogens.
|
290 |
20610663
|
These results suggest that oral Gram-negative bacteria (F. nucleatum and P. gingivalis) associated with oral and systemic chronic inflammatory disorders enhance HIV-1 reactivation in monocytes/macrophages through TLR2 and TLR9 activation in a mechanism that appears to be transcriptionally regulated.
|
291 |
20610663
|
Since Toll-like receptor 2 (TLR2), TLR4, and TLR9 activation have been involved in HIV-1 recrudescence, we sought to determine the role of these TLRs in HIV-1 reactivation induced by the periodontal pathogens Fusobacterium nucleatum and Porphyromonas gingivalis using BF24 monocytes/macrophages stably transfected with the HIV-1 promoter driving chloramphenicol acetyltransferase (CAT) expression and THP89GFP cells, a model of HIV-1 latency.
|
292 |
20610663
|
We demonstrated that TLR9 activation by F. nucleatum and TLR2 activation by both bacteria appear to be involved in HIV-1 reactivation; however, TLR4 activation had no effect.
|
293 |
20610663
|
Moreover, the autocrine activity of tumor necrosis factor alpha (TNF-alpha) but not interleukin-1beta (IL-1beta) produced in response to bacteria could impact viral reactivation.
|
294 |
20610663
|
The transcription factors NF-kappaB and Sp1 appear to be positively regulating HIV-1 reactivation induced by these oral pathogens.
|
295 |
20610663
|
These results suggest that oral Gram-negative bacteria (F. nucleatum and P. gingivalis) associated with oral and systemic chronic inflammatory disorders enhance HIV-1 reactivation in monocytes/macrophages through TLR2 and TLR9 activation in a mechanism that appears to be transcriptionally regulated.
|
296 |
20610663
|
Since Toll-like receptor 2 (TLR2), TLR4, and TLR9 activation have been involved in HIV-1 recrudescence, we sought to determine the role of these TLRs in HIV-1 reactivation induced by the periodontal pathogens Fusobacterium nucleatum and Porphyromonas gingivalis using BF24 monocytes/macrophages stably transfected with the HIV-1 promoter driving chloramphenicol acetyltransferase (CAT) expression and THP89GFP cells, a model of HIV-1 latency.
|
297 |
20610663
|
We demonstrated that TLR9 activation by F. nucleatum and TLR2 activation by both bacteria appear to be involved in HIV-1 reactivation; however, TLR4 activation had no effect.
|
298 |
20610663
|
Moreover, the autocrine activity of tumor necrosis factor alpha (TNF-alpha) but not interleukin-1beta (IL-1beta) produced in response to bacteria could impact viral reactivation.
|
299 |
20610663
|
The transcription factors NF-kappaB and Sp1 appear to be positively regulating HIV-1 reactivation induced by these oral pathogens.
|
300 |
20610663
|
These results suggest that oral Gram-negative bacteria (F. nucleatum and P. gingivalis) associated with oral and systemic chronic inflammatory disorders enhance HIV-1 reactivation in monocytes/macrophages through TLR2 and TLR9 activation in a mechanism that appears to be transcriptionally regulated.
|
301 |
20625151
|
Phosphorothioate 2' deoxyribose oligomers as microbicides that inhibit human immunodeficiency virus type 1 (HIV-1) infection and block Toll-like receptor 7 (TLR7) and TLR9 triggering by HIV-1.
|
302 |
20660347
|
In these studies we observed that M. tuberculosis, which expresses agonists of both TLR9 and TLR2, did not induce production of IFN-alpha/beta or cross processing by murine DCs.
|
303 |
20660347
|
Inhibition of the response to one TLR by another may affect the ultimate response to pathogens like M. tuberculosis that express agonists of multiple TLRs, including TLR2 and TLR9.
|
304 |
20660347
|
In these studies we observed that M. tuberculosis, which expresses agonists of both TLR9 and TLR2, did not induce production of IFN-alpha/beta or cross processing by murine DCs.
|
305 |
20660347
|
Inhibition of the response to one TLR by another may affect the ultimate response to pathogens like M. tuberculosis that express agonists of multiple TLRs, including TLR2 and TLR9.
|
306 |
20709105
|
Expression of selected gene groups was tested via qPCR at 7 different time-points: cytokines (IL-2, IFN-γ, IL-4, IL-6, and IL-10), type I interferons (IFN-α4, IFN-α11, IFN-α12, and IFN-β), toll-like receptors (TLR2, TLR3, TLR7, and TLR9), iNOS and CCR7.
|
307 |
20709105
|
Intranasally administered DBF and the mixture of virus+DBF induced an elevated expression of IFN-γ, IL-6 and IL-10 cytokines, type I interferons, iNOS, and pDC markers in NALT.
|
308 |
20842051
|
Specifically, we linked the melanoma-specific Melan-A/Mart-1 peptide to virus-like nanoparticles loaded with A-type CpG, a ligand for toll-like receptor 9.
|
309 |
20875795
|
Immunological basis of M13 phage vaccine: Regulation under MyD88 and TLR9 signaling.
|
310 |
20875795
|
These responses were almost comparable, but slightly weaker, in TLR2-, TLR4- and TLR7-deficient mice relative to wild-type mice, suggesting that this enhancing effect is not due to plausible LPS contamination.
|
311 |
20877154
|
Transcription of TLR2, TLR4, and TLR9 mRNA on canine CD21(+) cells was confirmed by reverse-transcript polymerase chain reaction (RT-PCR).
|
312 |
20877154
|
Quantification of IL-6, IL-10, and IL-12p40 mRNA transcription on canine CD21(+) cells revealed that CpG-ODNs enhanced IL-6 mRNA transcription but not IL-10 and IL-12p40 mRNA transcription (P<0.05 compared with control-ODNs).
|
313 |
20937315
|
The adjuvant effects of the TLR7 agonist, imiquimod, and the TLR9 agonist, ODN1826, were tested with rAAV expressing the melanoma antigen, Trp2.
|
314 |
20937315
|
TLR7 and TLR9 agonists can be used to enhance the immune response to rAAV immunogens, but antagonism can be observed when combined.
|
315 |
20937315
|
The adjuvant effects of the TLR7 agonist, imiquimod, and the TLR9 agonist, ODN1826, were tested with rAAV expressing the melanoma antigen, Trp2.
|
316 |
20937315
|
TLR7 and TLR9 agonists can be used to enhance the immune response to rAAV immunogens, but antagonism can be observed when combined.
|
317 |
21105187
|
For patients with relapsed or refractory FL, phase II studies have assessed the effectiveness of combination therapies using a Toll-like receptor-9 agonist (1018ISS), oblimersen sodium (a Bcl-2 antisense oligonucleotide), bendamustine, and rituximab, as well as veltuzumab, a new humanized anti-CD20 antibody, and epratuzumab.
|
318 |
21173782
|
Using Toll-like receptor (TLR) and MyD88 gene knock-out (GKO) mice the effect of TLRs and MyD88 on virus replication, interferon (IFN)-β production, natural killer (NK) cell and CD8T cell responses were assessed following ectromelia virus (ECTV) and recombinant vaccinia virus (rVV) infection.
|
319 |
21173782
|
Results showed that TLR2(-/-), TLR4(-/-)and TLR7(-/-) mice survived ECTV infection whereas MyD88(-/-) and TLR9(-/-)mice, in contrast, were highly susceptible.
|
320 |
21173782
|
Next, following infection with rVV, MyD88(-/-) mice elicited reduced serum IFN-β, NK cell and CD8T cell responses compared with wild-type mice, whereas TLR9(-/-) mice showed elevated CD8T cell responses.
|
321 |
21173782
|
Interestingly, even though rVV co-expressing interleukin (IL)-2 enhanced NK cell activation in MyD88(-/-) mice, this was not associated with an antiviral effect, as observed in normal mice.
|
322 |
21173782
|
Surprisingly, co-infection with rVV IL-2/rVV IL-12, but not rVV IL-2/rVV IFN-β, restored the attenuated phenotype of rVV IL-2 in MyD88(-/-) mice indicating that the IL-2/IL-12 combination promotes antiviral responses.
|
323 |
21173782
|
Using Toll-like receptor (TLR) and MyD88 gene knock-out (GKO) mice the effect of TLRs and MyD88 on virus replication, interferon (IFN)-β production, natural killer (NK) cell and CD8T cell responses were assessed following ectromelia virus (ECTV) and recombinant vaccinia virus (rVV) infection.
|
324 |
21173782
|
Results showed that TLR2(-/-), TLR4(-/-)and TLR7(-/-) mice survived ECTV infection whereas MyD88(-/-) and TLR9(-/-)mice, in contrast, were highly susceptible.
|
325 |
21173782
|
Next, following infection with rVV, MyD88(-/-) mice elicited reduced serum IFN-β, NK cell and CD8T cell responses compared with wild-type mice, whereas TLR9(-/-) mice showed elevated CD8T cell responses.
|
326 |
21173782
|
Interestingly, even though rVV co-expressing interleukin (IL)-2 enhanced NK cell activation in MyD88(-/-) mice, this was not associated with an antiviral effect, as observed in normal mice.
|
327 |
21173782
|
Surprisingly, co-infection with rVV IL-2/rVV IL-12, but not rVV IL-2/rVV IFN-β, restored the attenuated phenotype of rVV IL-2 in MyD88(-/-) mice indicating that the IL-2/IL-12 combination promotes antiviral responses.
|
328 |
21199392
|
For this purpose, serum concentration of interleukin 2 (IL2), interleukin 10 (IL10), interferon-gamma (IFNG), Toll-like receptor 2 (TLR2) and Toll-like receptor 9 (TLR9) were measured in blood samples obtained from F(2) piglets (n = 334) of a Duroc × Piétrain resource population (DUPI) after Mycoplasma hypopneumoniae (Mh), tetanus toxoid (TT) and Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) vaccination at 6, 9 and 15 weeks of age.
|
329 |
21248035
|
Antigen-specific T-cell responses to a recombinant fowlpox virus are dependent on MyD88 and interleukin-18 and independent of Toll-like receptor 7 (TLR7)- and TLR9-mediated innate immune recognition.
|
330 |
21248035
|
We show that Toll-like receptor 7 (TLR7) and TLR9 are important for type I interferon secretion by dendritic cells, while TLR9 is solely required for proinflammatory cytokine secretion.
|
331 |
21248035
|
Despite this functional role for TLR7 and TLR9 in vitro, only the adapter protein myeloid differentiation primary response gene 88 (MyD88) was shown to be essential for the formation of adaptive immunity to FWPV(OVA) in vivo.
|
332 |
21248035
|
We demonstrate that this is not by means of mediating T-cell-dependent interleukin-1 (IL-1) signaling, but rather, we suggest that MyD88 functions to support T-cell-specific IL-18 receptor signaling, which in turn is essential for the formation of adaptive immunity to FWPV-encoded OVA.
|
333 |
21248035
|
Antigen-specific T-cell responses to a recombinant fowlpox virus are dependent on MyD88 and interleukin-18 and independent of Toll-like receptor 7 (TLR7)- and TLR9-mediated innate immune recognition.
|
334 |
21248035
|
We show that Toll-like receptor 7 (TLR7) and TLR9 are important for type I interferon secretion by dendritic cells, while TLR9 is solely required for proinflammatory cytokine secretion.
|
335 |
21248035
|
Despite this functional role for TLR7 and TLR9 in vitro, only the adapter protein myeloid differentiation primary response gene 88 (MyD88) was shown to be essential for the formation of adaptive immunity to FWPV(OVA) in vivo.
|
336 |
21248035
|
We demonstrate that this is not by means of mediating T-cell-dependent interleukin-1 (IL-1) signaling, but rather, we suggest that MyD88 functions to support T-cell-specific IL-18 receptor signaling, which in turn is essential for the formation of adaptive immunity to FWPV-encoded OVA.
|
337 |
21248035
|
Antigen-specific T-cell responses to a recombinant fowlpox virus are dependent on MyD88 and interleukin-18 and independent of Toll-like receptor 7 (TLR7)- and TLR9-mediated innate immune recognition.
|
338 |
21248035
|
We show that Toll-like receptor 7 (TLR7) and TLR9 are important for type I interferon secretion by dendritic cells, while TLR9 is solely required for proinflammatory cytokine secretion.
|
339 |
21248035
|
Despite this functional role for TLR7 and TLR9 in vitro, only the adapter protein myeloid differentiation primary response gene 88 (MyD88) was shown to be essential for the formation of adaptive immunity to FWPV(OVA) in vivo.
|
340 |
21248035
|
We demonstrate that this is not by means of mediating T-cell-dependent interleukin-1 (IL-1) signaling, but rather, we suggest that MyD88 functions to support T-cell-specific IL-18 receptor signaling, which in turn is essential for the formation of adaptive immunity to FWPV-encoded OVA.
|
341 |
21288993
|
Both B. breve and lactobacilli induced cytokines in a Toll-like receptor 9 (TLR9)-dependent manner, while the lower inflammatory profile of B. breve was due to inhibitory effects of TLR2.
|
342 |
21288993
|
No role for TLR4, NOD2, and C-type lectin receptors was apparent.
|
343 |
21325490
|
A somewhat increased NK cell response, increased dendritic cell expression of TLR3 and -9, and increased TLR-induced alpha interferon responses were also noted.
|
344 |
21403403
|
This endogenous immunostimulatory activity required nucleic acid and protein for its adjuvant effect and activated antigen-presenting cells through the RNA and DNA sensors TLR8 and TLR9.
|
345 |
21515797
|
SIV infections of SMs are characterized by an absence of chronic immune activation, in association with significantly reduced IFN-α production by plasmacytoid dendritic cells (pDCs) following exposure to SIV or other defined TLR7 or TLR9 ligands.
|
346 |
21687712
|
These were tested for their ability to activate DCs obtained by the FLT3 ligand differentiation of bone marrow cells from the wild type, and TLR2(-/-), TLR9(-/-) and MyD88(-/-) mice.
|
347 |
21742006
|
To determine what type of adjuvant can better enhance the immunogenicity of a Chlamydia vaccine, we formulated the recombinant major outer membrane protein (Ct-rMOMP) with several ligands for Toll-like receptors (TLR) and the nucleotide-binding oligomerization domain (NOD) including Pam(2)CSK(4) (TLR2/TLR6), Poly (I:C) (TLR3), monophosphoryl lipid A (TLR4), flagellin (TLR5), imiquimod R837 (TLR7), imidazoquinoline R848 (TRL7/8), CpG-1826 (TLR9), M-Tri-(DAP) (NOD1/NOD2) and muramyldipeptide (NOD2).
|
348 |
21742006
|
As determined by the IgG2a/IgG1 ratio in the sera, mice immunized with Ct-rMOMP+Pam(2)CSK(4) showed a strong Th2 biased humoral immune response.
|
349 |
21742006
|
In addition, based on changes in body weight, weight of the lungs and number of IFU recovered from the lungs, the mice immunized with Ct-rMOMP+Pam(2)CSK(4), were better protected against the i.n. challenge than any group of mice immunized with Ct-rMOMP and the other adjuvants.
|
350 |
21742006
|
In conclusion, Pam(2)CSK(4) should be evaluated as a candidate adjuvant for a C. trachomatis vaccine.
|
351 |
21835795
|
Myxoma virus induces type I interferon production in murine plasmacytoid dendritic cells via a TLR9/MyD88-, IRF5/IRF7-, and IFNAR-dependent pathway.
|
352 |
21835795
|
Using pDCs derived from genetic knockout mice, we show that the myxoma virus-induced innate immune response requires the endosomal DNA sensor TLR9 and its adaptor MyD88, transcription factors IRF5 and IRF7, and the type I IFN positive-feedback loop mediated by IFNAR1.
|
353 |
21835795
|
It is independent of the cytoplasmic RNA sensing pathway mediated by the mitochondrial adaptor molecule MAVS, the TLR3 adaptor TRIF, or the transcription factor IRF3.
|
354 |
21835795
|
Using pharmacological inhibitors, we demonstrate that myxoma virus-induced type I IFN and IL-12p70 production in murine pDCs is also dependent on phosphatidylinositol 3-kinase (PI3K) and Akt.
|
355 |
21869824
|
Wild-type and CEA transgenic (Tg) mice were immunized with rAAV-expressing CEA, the TLR9 agonist, oligodinucleotide (ODN)1826 and the TLR7 agonist, imiquimod.
|
356 |
21921206
|
Using a total of 28 baboons, different vaccination strategies were used including recombinant Sm-p80 protein formulated in Toll-like receptor 7 and Toll-like receptor 9 agonists, and DNA priming followed by boosting with protein plus adjuvants.
|
357 |
21921206
|
Production and expression of several cytokines (interleukin 2 [IL-2], interferon γ, IL-12α, IL-1β, IL-6, and IL-22) were up-regulated in vaccinated animals.
|
358 |
22120194
|
We reason that a strategy capable of improving CD8+ T cell activation would improve the efficacy of protein-based vaccines, which predominantly generate CD4+ T cell-mediated responses.
|
359 |
22120194
|
Herein, we explore the ability of a novel cell-penetrating peptide (CPP), LAH4, to facilitate intracellular delivery of protein-based vaccines adjuvanted with Toll-like receptor 9 agonist CpG oligonucleotide (CpG) to generate enhanced CD8+ T cell immune responses and antitumor effects.
|
360 |
22120194
|
Furthermore, we found that LAH4 was able to enhance the ability of a tyrosinase-related protein 2 (TRP-2) peptide-based vaccine to generate TRP2-specific CD8+ T cells and antitumor effects against TRP2-expressing tumors.
|
361 |
22120195
|
Induction of mucosal and systemic immunity against respiratory syncytial virus by inactivated virus supplemented with TLR9 and NOD2 ligands.
|
362 |
22120195
|
Addition of TLR9/NOD2 ligands to the inactivated RSV also promoted affinity maturation of RSV-specific IgG antibodies and shifted T cell responses from mainly IL-5-secreting cells to predominantly IFN-γ-producing cells, indicating a Th1-skewed response.
|
363 |
22120195
|
Finally, BPL-RSV supplemented with TLR9/NOD2 ligands significantly improved the protection efficacy against a challenge with infectious virus, without stimulating enhanced disease as evidenced by lack of eotaxin mRNA expression and eosinophil infiltration in the lung.
|
364 |
22120195
|
We conclude that mucosal immunization with inactivated RSV antigen supplemented with TLR9/NOD2 ligands is a promising approach to induce effective RSV-specific immunity without priming for enhanced disease.
|
365 |
22120195
|
Induction of mucosal and systemic immunity against respiratory syncytial virus by inactivated virus supplemented with TLR9 and NOD2 ligands.
|
366 |
22120195
|
Addition of TLR9/NOD2 ligands to the inactivated RSV also promoted affinity maturation of RSV-specific IgG antibodies and shifted T cell responses from mainly IL-5-secreting cells to predominantly IFN-γ-producing cells, indicating a Th1-skewed response.
|
367 |
22120195
|
Finally, BPL-RSV supplemented with TLR9/NOD2 ligands significantly improved the protection efficacy against a challenge with infectious virus, without stimulating enhanced disease as evidenced by lack of eotaxin mRNA expression and eosinophil infiltration in the lung.
|
368 |
22120195
|
We conclude that mucosal immunization with inactivated RSV antigen supplemented with TLR9/NOD2 ligands is a promising approach to induce effective RSV-specific immunity without priming for enhanced disease.
|
369 |
22120195
|
Induction of mucosal and systemic immunity against respiratory syncytial virus by inactivated virus supplemented with TLR9 and NOD2 ligands.
|
370 |
22120195
|
Addition of TLR9/NOD2 ligands to the inactivated RSV also promoted affinity maturation of RSV-specific IgG antibodies and shifted T cell responses from mainly IL-5-secreting cells to predominantly IFN-γ-producing cells, indicating a Th1-skewed response.
|
371 |
22120195
|
Finally, BPL-RSV supplemented with TLR9/NOD2 ligands significantly improved the protection efficacy against a challenge with infectious virus, without stimulating enhanced disease as evidenced by lack of eotaxin mRNA expression and eosinophil infiltration in the lung.
|
372 |
22120195
|
We conclude that mucosal immunization with inactivated RSV antigen supplemented with TLR9/NOD2 ligands is a promising approach to induce effective RSV-specific immunity without priming for enhanced disease.
|
373 |
22120195
|
Induction of mucosal and systemic immunity against respiratory syncytial virus by inactivated virus supplemented with TLR9 and NOD2 ligands.
|
374 |
22120195
|
Addition of TLR9/NOD2 ligands to the inactivated RSV also promoted affinity maturation of RSV-specific IgG antibodies and shifted T cell responses from mainly IL-5-secreting cells to predominantly IFN-γ-producing cells, indicating a Th1-skewed response.
|
375 |
22120195
|
Finally, BPL-RSV supplemented with TLR9/NOD2 ligands significantly improved the protection efficacy against a challenge with infectious virus, without stimulating enhanced disease as evidenced by lack of eotaxin mRNA expression and eosinophil infiltration in the lung.
|
376 |
22120195
|
We conclude that mucosal immunization with inactivated RSV antigen supplemented with TLR9/NOD2 ligands is a promising approach to induce effective RSV-specific immunity without priming for enhanced disease.
|
377 |
22120532
|
Co-stimulation with TLR3 and TLR21 ligands synergistically up-regulates Th1-cytokine IFN-γ and regulatory cytokine IL-10 expression in chicken monocytes.
|
378 |
22120532
|
Chicken TLR3 and TLR21 (avian equivalent to mammalian TLR9) recognize poly I:C (double-stranded RNA) and CpG-ODN (a CpG-motif containing oligodeoxydinucleotide), respectively.
|
379 |
22120532
|
The objective of the present study was to investigate the effect of the interaction between poly I:C and CpG-ODN on the mRNA expression levels of IFN-α and IFN-β, Th1 cytokines IFN-γ and IL-12, Th2 cytokine IL-4, and regulatory IL-10 in chicken monocytes.
|
380 |
22169598
|
In in vitro glioma cells, there was a positive correlation between the protein levels of TLR9 and both matrix metalloproteinase (MMP)-2 and MMP-9 (p<0.05), but no relationship between TLR9 levels and levels of interleukin-6, transforming growth factor-β2 or signal transducer and activator of transcription (STAT)-3 (p>0.05).
|
381 |
22470545
|
Addition of the TLR3 and TLR9 agonists significantly increased the adjuvanting capacity of MLVs and OVA-encapsulating dehydration-rehydration vesicles (DRVs), but not of SUVs.
|
382 |
22497974
|
We then examined cells with single or multiple virus infections for the expression of 10 cytokine genes and demonstrated elevated expressions for 7 (IFN-α, IFN-β, IFN-γ, TNF-α, IL-6, IL-8, and IL-17) in dual rotavirus and enterovirus or triple rotavirus, enterovirus and astrovirus-infected cells but only 3 (IFN-β, TNF-α, and IL-8) in dual rotavirus and astrovirus-infected cells.
|
383 |
22497974
|
We further observed elevated levels of TLR4, TLR5, TLR7 and TLR9 mRNAs in cells with rotavirus and enterovirus or rotavirus, enterovirus and astrovirus infections when compared to single rotavirus infections.
|
384 |
22662179
|
LOS activates the host immune response through a membrane bound CD14-TLR4 complex, while both heat killed and live M.cat require recognition by multiple toll like receptors such as TLR2, TLR4 and TLR9 without the requirement of CD14.
|
385 |
22662179
|
We finally showed that TLR4 mutant C3H/HeJ mice produce significantly lower levels of pro-inflammatory cytokines TNF-α and IL-6 in vivo, An increased bacterial loads at 12 and 24 hours (P<0.001) in their lungs upon challenge with live M.cat in an aerosol chamber compared to wild-type (WT) control mice.
|
386 |
22875539
|
However, analyses of (1) IL-10 production following in vitro stimulation of immunized Balb/c mice splenocytes by TTd, β2GPI or glutaraldehyde-treated β2GPI and (2) specific impact of ConA and agonists of TLR2, TLR4, and TLR9 on anti-TTd and autoreactive Abs secretion strongly imply that these two branches of the TTd-induced immune response do not use identical cell populations and are regulated in a different way.
|
387 |
23045477
|
Polymorphisms in the Fc gamma receptor IIIA and Toll-like receptor 9 are associated with protection against severe malarial anemia and changes in circulating gamma interferon levels.
|
388 |
23045477
|
To further delineate the impacts of FcγRIIIA and TLR9 in SMA pathogenesis, the associations between FcγRIIIA -176F/V and TLR9 -1237T/C variants, SMA (hemoglobin [Hb] < 6.0 g/dl), and circulating IFN-γ levels were investigated in children (n = 301) from western Kenya with acute malaria.
|
389 |
23045477
|
Polymorphisms in the Fc gamma receptor IIIA and Toll-like receptor 9 are associated with protection against severe malarial anemia and changes in circulating gamma interferon levels.
|
390 |
23045477
|
To further delineate the impacts of FcγRIIIA and TLR9 in SMA pathogenesis, the associations between FcγRIIIA -176F/V and TLR9 -1237T/C variants, SMA (hemoglobin [Hb] < 6.0 g/dl), and circulating IFN-γ levels were investigated in children (n = 301) from western Kenya with acute malaria.
|
391 |
23090079
|
Differing patterns of circulating regulatory T cells and myeloid-derived suppressor cells in metastatic melanoma patients receiving anti-CTLA4 antibody and interferon-α or TLR-9 agonist and GM-CSF with peptide vaccination.
|
392 |
23090079
|
The second [toll-like receptor 9 (TLR)/GM] tested vaccination with MART-1, gp100, tyrosinase given with TLR-9 agonist and granulocyte-macrophage colony-stimulating factor and reported 9% response rate, median progression-free survival of 1.9 months, and median overall survival of 13.4 months.
|
393 |
23090079
|
The CD4(+)CD25hi(+)CD39(+) T-reg percentage was increased most at day 85 (P = 0.018) and less significantly at day 29 (P = 0.09).
|
394 |
23090079
|
T-reg findings suggest that IFN/treme induced clinically significant antitumor responses by inhibiting CTLA4 suppressive effects on T effectors, and less so by affecting T-reg.
|
395 |
23090079
|
Differing patterns of circulating regulatory T cells and myeloid-derived suppressor cells in metastatic melanoma patients receiving anti-CTLA4 antibody and interferon-α or TLR-9 agonist and GM-CSF with peptide vaccination.
|
396 |
23090079
|
The second [toll-like receptor 9 (TLR)/GM] tested vaccination with MART-1, gp100, tyrosinase given with TLR-9 agonist and granulocyte-macrophage colony-stimulating factor and reported 9% response rate, median progression-free survival of 1.9 months, and median overall survival of 13.4 months.
|
397 |
23090079
|
The CD4(+)CD25hi(+)CD39(+) T-reg percentage was increased most at day 85 (P = 0.018) and less significantly at day 29 (P = 0.09).
|
398 |
23090079
|
T-reg findings suggest that IFN/treme induced clinically significant antitumor responses by inhibiting CTLA4 suppressive effects on T effectors, and less so by affecting T-reg.
|
399 |
23100517
|
Plasmacytoid dendritic cells (pDCs) play a central role in innate and adaptive immune responses to viral infections, including HIV type 1 (HIV-1). pDCs produce substantial quantities of type I IFN and proinflammatory cytokines upon stimulation via TLRs, specifically TLR7 or TLR9.
|
400 |
23100517
|
Specifically, gp120 inhibited the CpG-induced maturation of pDCs and their expression of TNF-α, IL-6, TLR9, IFN regulatory factor 7, and BAFF.
|
401 |
23100517
|
Receptor-blocking and cross-linking studies showed that these inhibitory effects of gp120 were mediated by interactions with CD4 and mannose-binding C-type lectin receptors, but not with the chemokine receptors CCR5 and CXCR4.
|
402 |
23100517
|
Plasmacytoid dendritic cells (pDCs) play a central role in innate and adaptive immune responses to viral infections, including HIV type 1 (HIV-1). pDCs produce substantial quantities of type I IFN and proinflammatory cytokines upon stimulation via TLRs, specifically TLR7 or TLR9.
|
403 |
23100517
|
Specifically, gp120 inhibited the CpG-induced maturation of pDCs and their expression of TNF-α, IL-6, TLR9, IFN regulatory factor 7, and BAFF.
|
404 |
23100517
|
Receptor-blocking and cross-linking studies showed that these inhibitory effects of gp120 were mediated by interactions with CD4 and mannose-binding C-type lectin receptors, but not with the chemokine receptors CCR5 and CXCR4.
|
405 |
23142133
|
One is the plasmacytoid DC (pDC), which expresses nucleic acid sensing receptors TLR7 and TLR9 and secretes large amounts of type I interferons in response to TLR7/9 signaling.
|
406 |
23142133
|
This DC subset expresses lipid sensors, TLR2 and TLR4, and nucleic acid sensors, TLR3, TLR9 and TLR13 and is specialized for antigen crosspresentation.
|
407 |
23142133
|
One is the plasmacytoid DC (pDC), which expresses nucleic acid sensing receptors TLR7 and TLR9 and secretes large amounts of type I interferons in response to TLR7/9 signaling.
|
408 |
23142133
|
This DC subset expresses lipid sensors, TLR2 and TLR4, and nucleic acid sensors, TLR3, TLR9 and TLR13 and is specialized for antigen crosspresentation.
|
409 |
23159338
|
In this report, we present evidence that intravenous peptide boosting together with TLR3 and TLR9 agonists (Poly IC and CpG, respectively) is highly effective and induces large quantities of memory CTLs of effector memory phenotype after three boosts.
|
410 |
23345580
|
After 24 h of incubation, production of tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), IL-6, and IL-10 was measured in supernatants by enzyme-linked immunosorbent assay (ELISA).
|
411 |
23345580
|
The combinations of TLR2 and NOD2, TLR5 and NOD2, TLR5 and TLR3, and TLR5 and TLR9 acted as synergistic combinations.
|
412 |
23345580
|
Surprisingly, inhibitory interactions between TLR4 and TLR2, TLR4 and Dectin-1, and TLR2 and TLR9 as well as TLR3 and TLR2 were observed.
|
413 |
23345580
|
After 24 h of incubation, production of tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), IL-6, and IL-10 was measured in supernatants by enzyme-linked immunosorbent assay (ELISA).
|
414 |
23345580
|
The combinations of TLR2 and NOD2, TLR5 and NOD2, TLR5 and TLR3, and TLR5 and TLR9 acted as synergistic combinations.
|
415 |
23345580
|
Surprisingly, inhibitory interactions between TLR4 and TLR2, TLR4 and Dectin-1, and TLR2 and TLR9 as well as TLR3 and TLR2 were observed.
|
416 |
23516365
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists identifies CD21 as interferon α receptor for the B cell response.
|
417 |
23516365
|
Here, we demonstrate that a combination of TLR-3 and TLR-9 agonists induces synergistically higher levels of type I interferon in vitro and in vivo than either agonist alone.
|
418 |
23516365
|
The synergistic action of TLR-3 and TLR-9 agonists is based on a feedback loop through the interferon receptor.
|
419 |
23516365
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists identifies CD21 as interferon α receptor for the B cell response.
|
420 |
23516365
|
Here, we demonstrate that a combination of TLR-3 and TLR-9 agonists induces synergistically higher levels of type I interferon in vitro and in vivo than either agonist alone.
|
421 |
23516365
|
The synergistic action of TLR-3 and TLR-9 agonists is based on a feedback loop through the interferon receptor.
|
422 |
23516365
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists identifies CD21 as interferon α receptor for the B cell response.
|
423 |
23516365
|
Here, we demonstrate that a combination of TLR-3 and TLR-9 agonists induces synergistically higher levels of type I interferon in vitro and in vivo than either agonist alone.
|
424 |
23516365
|
The synergistic action of TLR-3 and TLR-9 agonists is based on a feedback loop through the interferon receptor.
|
425 |
23521528
|
We have engineered a nononcogenic mutated E7-specific plasmo-retroVLP vaccine (pVLP-E7), consisting of plasmid DNA, that is able to form recombinant retrovirus-based virus-like particles (VLPs) that display E7 antigen into murine leukemia virus Gag proteins pseudotyped with vesicular stomatitis virus envelope glycoprotein (VSV-G). pVLP-E7 vaccinations were studied for their ability to generate specific immune responses and for induction of protective immunity against tumor cell challenge in preventive and therapeutic models.
|
426 |
23521528
|
Intradermic vaccinations of mice with pVLP-E7 show their efficacy to generate antigen-specific T cell responses, to prevent and protect animals from early TC-1 tumor development compared with standard DNA or VLP immunizations.
|
427 |
23521528
|
Data show that pVLP-E7 vaccination can cure mice with already established tumors only when combined with Toll-like receptor-7 (TLR7) and TLR9 agonists.
|
428 |
23533581
|
Involvement of DNA-PKcs in the IL-6 and IL-12 response to CpG-ODN is mediated by its interaction with TRAF6 in dendritic cells.
|
429 |
23533581
|
CpG-ODN activates the TLR9/MyD88/TRAF6 cascade leading to activation of IKK-NF-κB and JNK, which are critical for production of pro-inflammatory cytokines.
|
430 |
23533581
|
DNA-PKcs-deficient DCs exhibited a defect in the IL-6 and IL-12 response to CpG-ODN in a dose- and time-dependent manner.
|
431 |
23533581
|
Loss of DNA-PKcs impaired phosphorylation of IKK, IκBα, NF-κB and JNK in response to CpG-ODN.
|
432 |
23595505
|
Genetic variants in toll-like receptor 2 (TLR2), TLR4, TLR9, and FCγ receptor II are associated with antibody response to quadrivalent meningococcal conjugate vaccine in HIV-infected youth.
|
433 |
23595505
|
Genetic variants associated with severity of meningococcal disease, including the IgG Fc receptor (FCγRII)-A484T, interleukin-10 (IL-10)-A1082G, -C819T, and -C627A, IL-4-C589T, mannose binding lectin-2 (MBL2)-A/O, -H/L, -P/Q, and -X/Y, toll-like receptor 2 (TLR2)-G2408A, TLR4-A12874G and -C13174T, and TLR9-T1237C and -T1486C were determined by real-time PCR (RT-PCR) for 271 HIV-infected subjects (median, 17 years).
|
434 |
23595505
|
These findings suggest that for HIV-infected youth, the initial antibody response to MCV4 is associated with variants in TLR2 and TLR4 while the long-term response is associated with genetic polymorphisms in TLR9 and FcγRIIa.
|
435 |
23595505
|
Genetic variants in toll-like receptor 2 (TLR2), TLR4, TLR9, and FCγ receptor II are associated with antibody response to quadrivalent meningococcal conjugate vaccine in HIV-infected youth.
|
436 |
23595505
|
Genetic variants associated with severity of meningococcal disease, including the IgG Fc receptor (FCγRII)-A484T, interleukin-10 (IL-10)-A1082G, -C819T, and -C627A, IL-4-C589T, mannose binding lectin-2 (MBL2)-A/O, -H/L, -P/Q, and -X/Y, toll-like receptor 2 (TLR2)-G2408A, TLR4-A12874G and -C13174T, and TLR9-T1237C and -T1486C were determined by real-time PCR (RT-PCR) for 271 HIV-infected subjects (median, 17 years).
|
437 |
23595505
|
These findings suggest that for HIV-infected youth, the initial antibody response to MCV4 is associated with variants in TLR2 and TLR4 while the long-term response is associated with genetic polymorphisms in TLR9 and FcγRIIa.
|
438 |
23631730
|
This may be due to the multiple stimulation of TLRs by γ-PGA-Phe NPs (TLR4 ligand) and CpG ODN (TLR9 ligand).
|
439 |
23667422
|
Another interesting feature was that only neonatal BDCs produced IFN-α after TLR7 or TLR9 ligand stimulation.
|
440 |
23667422
|
These findings suggest that when stimulated via TLR7 or TLR9 porcine DCs display similar if not better response than adult porcine DCs.
|
441 |
23667422
|
Another interesting feature was that only neonatal BDCs produced IFN-α after TLR7 or TLR9 ligand stimulation.
|
442 |
23667422
|
These findings suggest that when stimulated via TLR7 or TLR9 porcine DCs display similar if not better response than adult porcine DCs.
|
443 |
23750720
|
In contrast to humans, pDC in rhesus macaques expressed the interleukin (IL)-12p40 subunit in response to TLR-7/8 as well as TLR-9 stimulation.
|
444 |
23781340
|
In this study, IFN-gamma treatment of bone marrow-derived DC, followed by incubation with the TLR2, TLR4, or TLR9 agonists, enhanced DC activation compared to TLR ligation alone.
|
445 |
23781340
|
Most notably, the upregulation of CD40 with LPS stimulation and CD86 with CpG stimulation was observed in in vitro cultures.
|
446 |
23781340
|
Similarly, IFN-gamma coinjected with TLR ligands was able to promote DC activation in vivo, with DCs migrating from the site of immunization to the popliteal lymph nodes demonstrating increased expression of CD80 and CD86.
|
447 |
23850441
|
Activations of endosomal TLRs include TLR3, TLR7/8, and TLR9 stimulates the production of cytokines, such as type I interferons (IFNs), and therefore involves in virus-host interactions.
|
448 |
23850441
|
Our results showed that EIAVFDDV13 dramatically up-regulated the expression of TLR3 and IFNβ and less robustly up-regulated the expression of TRL9 and IFNα1, whereas EIAVFDDV3-8 induced significantly lower expression of type I IFN mRNA and protein and more strongly down-regulated the expression of TLR7 and TLR8.
|
449 |
23884215
|
Mice lacking IRF3, IFN-α receptor, IL-1β/IL-18, TLR9 or MyD88 showed similar CTL responses to wild-type mice, arguing that none of these molecules were required for the immunogenicity of DNA vaccines.
|
450 |
23912942
|
TLR7/8-triggered secretion of IL-12 and IFN-α, as well as TLR9-triggered secretion of IL-12, was hyperactivated.
|
451 |
23935491
|
Blocking TLR7- and TLR9-mediated IFN-α production by plasmacytoid dendritic cells does not diminish immune activation in early SIV infection.
|
452 |
23935491
|
We show that pDC are major but not exclusive producers of IFN-α that rapidly become unresponsive to virus stimulation following SIV infection, whereas myeloid DC gain the capacity to produce IFN-α, albeit at low levels. pDC mediate a marked but transient IFN-α response in lymph nodes during the acute phase that is blocked by administration of TLR7 and TLR9 antagonist without impacting pDC recruitment.
|
453 |
23935491
|
TLR7 and TLR9 blockade did not impact virus load or the acute IFN-α response in plasma and had minimal effect on expression of IFN-stimulated genes in both blood and lymph node.
|
454 |
23935491
|
TLR7 and TLR9 blockade did not prevent activation of memory CD4+ and CD8+ T cells in blood or lymph node but led to significant increases in proliferation of both subsets in blood following SIV infection.
|
455 |
23935491
|
Our findings reveal that virus-mediated activation of pDC through TLR7 and TLR9 contributes to substantial but transient IFN-α production following pathogenic SIV infection.
|
456 |
23935491
|
Blocking TLR7- and TLR9-mediated IFN-α production by plasmacytoid dendritic cells does not diminish immune activation in early SIV infection.
|
457 |
23935491
|
We show that pDC are major but not exclusive producers of IFN-α that rapidly become unresponsive to virus stimulation following SIV infection, whereas myeloid DC gain the capacity to produce IFN-α, albeit at low levels. pDC mediate a marked but transient IFN-α response in lymph nodes during the acute phase that is blocked by administration of TLR7 and TLR9 antagonist without impacting pDC recruitment.
|
458 |
23935491
|
TLR7 and TLR9 blockade did not impact virus load or the acute IFN-α response in plasma and had minimal effect on expression of IFN-stimulated genes in both blood and lymph node.
|
459 |
23935491
|
TLR7 and TLR9 blockade did not prevent activation of memory CD4+ and CD8+ T cells in blood or lymph node but led to significant increases in proliferation of both subsets in blood following SIV infection.
|
460 |
23935491
|
Our findings reveal that virus-mediated activation of pDC through TLR7 and TLR9 contributes to substantial but transient IFN-α production following pathogenic SIV infection.
|
461 |
23935491
|
Blocking TLR7- and TLR9-mediated IFN-α production by plasmacytoid dendritic cells does not diminish immune activation in early SIV infection.
|
462 |
23935491
|
We show that pDC are major but not exclusive producers of IFN-α that rapidly become unresponsive to virus stimulation following SIV infection, whereas myeloid DC gain the capacity to produce IFN-α, albeit at low levels. pDC mediate a marked but transient IFN-α response in lymph nodes during the acute phase that is blocked by administration of TLR7 and TLR9 antagonist without impacting pDC recruitment.
|
463 |
23935491
|
TLR7 and TLR9 blockade did not impact virus load or the acute IFN-α response in plasma and had minimal effect on expression of IFN-stimulated genes in both blood and lymph node.
|
464 |
23935491
|
TLR7 and TLR9 blockade did not prevent activation of memory CD4+ and CD8+ T cells in blood or lymph node but led to significant increases in proliferation of both subsets in blood following SIV infection.
|
465 |
23935491
|
Our findings reveal that virus-mediated activation of pDC through TLR7 and TLR9 contributes to substantial but transient IFN-α production following pathogenic SIV infection.
|
466 |
23935491
|
Blocking TLR7- and TLR9-mediated IFN-α production by plasmacytoid dendritic cells does not diminish immune activation in early SIV infection.
|
467 |
23935491
|
We show that pDC are major but not exclusive producers of IFN-α that rapidly become unresponsive to virus stimulation following SIV infection, whereas myeloid DC gain the capacity to produce IFN-α, albeit at low levels. pDC mediate a marked but transient IFN-α response in lymph nodes during the acute phase that is blocked by administration of TLR7 and TLR9 antagonist without impacting pDC recruitment.
|
468 |
23935491
|
TLR7 and TLR9 blockade did not impact virus load or the acute IFN-α response in plasma and had minimal effect on expression of IFN-stimulated genes in both blood and lymph node.
|
469 |
23935491
|
TLR7 and TLR9 blockade did not prevent activation of memory CD4+ and CD8+ T cells in blood or lymph node but led to significant increases in proliferation of both subsets in blood following SIV infection.
|
470 |
23935491
|
Our findings reveal that virus-mediated activation of pDC through TLR7 and TLR9 contributes to substantial but transient IFN-α production following pathogenic SIV infection.
|
471 |
23935491
|
Blocking TLR7- and TLR9-mediated IFN-α production by plasmacytoid dendritic cells does not diminish immune activation in early SIV infection.
|
472 |
23935491
|
We show that pDC are major but not exclusive producers of IFN-α that rapidly become unresponsive to virus stimulation following SIV infection, whereas myeloid DC gain the capacity to produce IFN-α, albeit at low levels. pDC mediate a marked but transient IFN-α response in lymph nodes during the acute phase that is blocked by administration of TLR7 and TLR9 antagonist without impacting pDC recruitment.
|
473 |
23935491
|
TLR7 and TLR9 blockade did not impact virus load or the acute IFN-α response in plasma and had minimal effect on expression of IFN-stimulated genes in both blood and lymph node.
|
474 |
23935491
|
TLR7 and TLR9 blockade did not prevent activation of memory CD4+ and CD8+ T cells in blood or lymph node but led to significant increases in proliferation of both subsets in blood following SIV infection.
|
475 |
23935491
|
Our findings reveal that virus-mediated activation of pDC through TLR7 and TLR9 contributes to substantial but transient IFN-α production following pathogenic SIV infection.
|
476 |
24012797
|
TLRs 3, 4, 7, 8 and 9 are all validated targets for cancer and a number of companies are developing agonists and vaccine adjuvants.
|
477 |
24019532
|
Toll-like receptor 3-mediated necrosis via TRIF, RIP3, and MLKL.
|
478 |
24019532
|
Toll-like receptor (TLR) signaling is triggered by pathogen-associated molecular patterns that mediate well established cytokine-driven pathways, activating NF-κB together with IRF3/IRF7.
|
479 |
24019532
|
In addition, TLR3 drives caspase 8-regulated programmed cell death pathways reminiscent of TNF family death receptor signaling.
|
480 |
24019532
|
We find that inhibition or elimination of caspase 8 during stimulation of TLR2, TLR3, TLR4, TLR5, or TLR9 results in receptor interacting protein (RIP) 3 kinase-dependent programmed necrosis that occurs through either TIR domain-containing adapter-inducing interferon-β (TRIF) or MyD88 signal transduction.
|
481 |
24019532
|
TLR3 or TLR4 directly activates programmed necrosis through a RIP homotypic interaction motif-dependent association of TRIF with RIP3 kinase (also called RIPK3).
|
482 |
24019532
|
In fibroblasts, this pathway proceeds independent of RIP1 or its kinase activity, but it remains dependent on mixed lineage kinase domain-like protein (MLKL) downstream of RIP3 kinase.
|
483 |
24019532
|
Here, we describe two small molecule RIP3 kinase inhibitors and employ them to demonstrate the common requirement for RIP3 kinase in programmed necrosis induced by RIP1-RIP3, DAI-RIP3, and TRIF-RIP3 complexes.
|
484 |
24019532
|
Cell fate decisions following TLR signaling parallel death receptor signaling and rely on caspase 8 to suppress RIP3-dependent programmed necrosis whether initiated directly by a TRIF-RIP3-MLKL pathway or indirectly via TNF activation and the RIP1-RIP3-MLKL necroptosis pathway.
|
485 |
24154870
|
Systemic inhibition of TLR9, but not TLR4, delayed tumor recurrence in mouse models of B16 melanoma, MB49 bladder cancer, and CT26 colon cancer after localized high-dose tumor irradiation.
|
486 |
24154870
|
The tumorigenic effects of TLR9 depended on MyD88/NF-κB-mediated upregulation of interleukin (IL)-6 expression, which in turn resulted in downstream activation of Jak/STAT3 signaling in myeloid cells.
|
487 |
24154870
|
In comparing global gene expression in wild-type, TLR9-, or STAT3-deficient myeloid cells derived from irradiated tumors, we identified a unique set of TLR9/STAT3-regulated genes involved in tumor-promoting inflammation and revascularization.
|
488 |
24154870
|
Blocking STAT3 function by two myeloid-specific genetic strategies corrected TLR9-mediated cancer recurrence after radiotherapy.
|
489 |
24154870
|
Our results suggest that combining localized tumor irradiation with myeloid cell-specific inhibition of TLR9/STAT3 signaling may help eliminate radioresistant cancers.
|
490 |
24154870
|
Systemic inhibition of TLR9, but not TLR4, delayed tumor recurrence in mouse models of B16 melanoma, MB49 bladder cancer, and CT26 colon cancer after localized high-dose tumor irradiation.
|
491 |
24154870
|
The tumorigenic effects of TLR9 depended on MyD88/NF-κB-mediated upregulation of interleukin (IL)-6 expression, which in turn resulted in downstream activation of Jak/STAT3 signaling in myeloid cells.
|
492 |
24154870
|
In comparing global gene expression in wild-type, TLR9-, or STAT3-deficient myeloid cells derived from irradiated tumors, we identified a unique set of TLR9/STAT3-regulated genes involved in tumor-promoting inflammation and revascularization.
|
493 |
24154870
|
Blocking STAT3 function by two myeloid-specific genetic strategies corrected TLR9-mediated cancer recurrence after radiotherapy.
|
494 |
24154870
|
Our results suggest that combining localized tumor irradiation with myeloid cell-specific inhibition of TLR9/STAT3 signaling may help eliminate radioresistant cancers.
|
495 |
24154870
|
Systemic inhibition of TLR9, but not TLR4, delayed tumor recurrence in mouse models of B16 melanoma, MB49 bladder cancer, and CT26 colon cancer after localized high-dose tumor irradiation.
|
496 |
24154870
|
The tumorigenic effects of TLR9 depended on MyD88/NF-κB-mediated upregulation of interleukin (IL)-6 expression, which in turn resulted in downstream activation of Jak/STAT3 signaling in myeloid cells.
|
497 |
24154870
|
In comparing global gene expression in wild-type, TLR9-, or STAT3-deficient myeloid cells derived from irradiated tumors, we identified a unique set of TLR9/STAT3-regulated genes involved in tumor-promoting inflammation and revascularization.
|
498 |
24154870
|
Blocking STAT3 function by two myeloid-specific genetic strategies corrected TLR9-mediated cancer recurrence after radiotherapy.
|
499 |
24154870
|
Our results suggest that combining localized tumor irradiation with myeloid cell-specific inhibition of TLR9/STAT3 signaling may help eliminate radioresistant cancers.
|
500 |
24154870
|
Systemic inhibition of TLR9, but not TLR4, delayed tumor recurrence in mouse models of B16 melanoma, MB49 bladder cancer, and CT26 colon cancer after localized high-dose tumor irradiation.
|
501 |
24154870
|
The tumorigenic effects of TLR9 depended on MyD88/NF-κB-mediated upregulation of interleukin (IL)-6 expression, which in turn resulted in downstream activation of Jak/STAT3 signaling in myeloid cells.
|
502 |
24154870
|
In comparing global gene expression in wild-type, TLR9-, or STAT3-deficient myeloid cells derived from irradiated tumors, we identified a unique set of TLR9/STAT3-regulated genes involved in tumor-promoting inflammation and revascularization.
|
503 |
24154870
|
Blocking STAT3 function by two myeloid-specific genetic strategies corrected TLR9-mediated cancer recurrence after radiotherapy.
|
504 |
24154870
|
Our results suggest that combining localized tumor irradiation with myeloid cell-specific inhibition of TLR9/STAT3 signaling may help eliminate radioresistant cancers.
|
505 |
24154870
|
Systemic inhibition of TLR9, but not TLR4, delayed tumor recurrence in mouse models of B16 melanoma, MB49 bladder cancer, and CT26 colon cancer after localized high-dose tumor irradiation.
|
506 |
24154870
|
The tumorigenic effects of TLR9 depended on MyD88/NF-κB-mediated upregulation of interleukin (IL)-6 expression, which in turn resulted in downstream activation of Jak/STAT3 signaling in myeloid cells.
|
507 |
24154870
|
In comparing global gene expression in wild-type, TLR9-, or STAT3-deficient myeloid cells derived from irradiated tumors, we identified a unique set of TLR9/STAT3-regulated genes involved in tumor-promoting inflammation and revascularization.
|
508 |
24154870
|
Blocking STAT3 function by two myeloid-specific genetic strategies corrected TLR9-mediated cancer recurrence after radiotherapy.
|
509 |
24154870
|
Our results suggest that combining localized tumor irradiation with myeloid cell-specific inhibition of TLR9/STAT3 signaling may help eliminate radioresistant cancers.
|
510 |
24262312
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists stimulates immune responses against measles virus in neonatal cotton rats.
|
511 |
24262312
|
A combination of TLR-3 and TLR-9 agonists synergistically induced high levels of type I interferon in neonatal spleen cells and higher levels of IL-10 as compared to adult spleen cells.
|
512 |
24262312
|
However, co-administration of the TLR-3 and TLR-9 agonist combination with measles vaccine in neonatal cotton rats induced neutralizing antibody responses comparable to those after adult immunization.
|
513 |
24262312
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists stimulates immune responses against measles virus in neonatal cotton rats.
|
514 |
24262312
|
A combination of TLR-3 and TLR-9 agonists synergistically induced high levels of type I interferon in neonatal spleen cells and higher levels of IL-10 as compared to adult spleen cells.
|
515 |
24262312
|
However, co-administration of the TLR-3 and TLR-9 agonist combination with measles vaccine in neonatal cotton rats induced neutralizing antibody responses comparable to those after adult immunization.
|
516 |
24262312
|
Synergistic induction of interferon α through TLR-3 and TLR-9 agonists stimulates immune responses against measles virus in neonatal cotton rats.
|
517 |
24262312
|
A combination of TLR-3 and TLR-9 agonists synergistically induced high levels of type I interferon in neonatal spleen cells and higher levels of IL-10 as compared to adult spleen cells.
|
518 |
24262312
|
However, co-administration of the TLR-3 and TLR-9 agonist combination with measles vaccine in neonatal cotton rats induced neutralizing antibody responses comparable to those after adult immunization.
|
519 |
24280723
|
TLR7 and 9 agonists are highly effective mucosal adjuvants for norovirus virus-like particle vaccines.
|
520 |
24280723
|
Intranasal co-delivery of VLPs with TLR7 or TLR9 agonists produced the most robust and broad-spectrum immune responses, systemically and at distal mucosal sites inducing VLP-specific antibodies at all sites evaluated.
|
521 |
24280723
|
This study demonstrates that intranasal co-delivery of VLPs with TLR7 or TLR9 agonists provides dose-sparing advantages for induction of specific and functional antibody responses against VLPs (i.e., non-replicating antigens) in the respiratory, gastrointestinal, and reproductive tract.
|
522 |
24280723
|
TLR7 and 9 agonists are highly effective mucosal adjuvants for norovirus virus-like particle vaccines.
|
523 |
24280723
|
Intranasal co-delivery of VLPs with TLR7 or TLR9 agonists produced the most robust and broad-spectrum immune responses, systemically and at distal mucosal sites inducing VLP-specific antibodies at all sites evaluated.
|
524 |
24280723
|
This study demonstrates that intranasal co-delivery of VLPs with TLR7 or TLR9 agonists provides dose-sparing advantages for induction of specific and functional antibody responses against VLPs (i.e., non-replicating antigens) in the respiratory, gastrointestinal, and reproductive tract.
|
525 |
24280723
|
TLR7 and 9 agonists are highly effective mucosal adjuvants for norovirus virus-like particle vaccines.
|
526 |
24280723
|
Intranasal co-delivery of VLPs with TLR7 or TLR9 agonists produced the most robust and broad-spectrum immune responses, systemically and at distal mucosal sites inducing VLP-specific antibodies at all sites evaluated.
|
527 |
24280723
|
This study demonstrates that intranasal co-delivery of VLPs with TLR7 or TLR9 agonists provides dose-sparing advantages for induction of specific and functional antibody responses against VLPs (i.e., non-replicating antigens) in the respiratory, gastrointestinal, and reproductive tract.
|
528 |
24291713
|
A vaccine formulated with a combination of TLR-2 and TLR-9 adjuvants and the recombinant major outer membrane protein elicits a robust immune response and significant protection against a Chlamydia muridarum challenge.
|
529 |
24295653
|
When delivered in a potent GLA-based adjuvant [targeting TLR4 and TLR9], in most cases we were unable to reduce the bacterial load in the lungs.
|
530 |
24384074
|
An in vitro model of antigen presentation showed that ligands for TLR-9, 7, 4 and 1/2 increased the ability of APCs to present antigen-85B of BCG to CD4 T cells, which correlated with an increase in MHC-II expression.
|
531 |
24384074
|
TLR-activation led to a down-regulation of MARCH1 ubiquitin ligase which prevents the degradation of MHC-II and decreased IL-10 also contributed to an increase in MHC-II.
|
532 |
24384074
|
TLR-activation induced up-regulation of MHC-II was inhibited by the blockade of IRAK, NF-kB, and MAPKs.
|
533 |
24384074
|
TLR-7 and TLR-9 ligands had the most effective adjuvant like effect on MHC-II of APCs which allowed BCG vaccine mediated activation of CD4 T cells.
|
534 |
24384074
|
An in vitro model of antigen presentation showed that ligands for TLR-9, 7, 4 and 1/2 increased the ability of APCs to present antigen-85B of BCG to CD4 T cells, which correlated with an increase in MHC-II expression.
|
535 |
24384074
|
TLR-activation led to a down-regulation of MARCH1 ubiquitin ligase which prevents the degradation of MHC-II and decreased IL-10 also contributed to an increase in MHC-II.
|
536 |
24384074
|
TLR-activation induced up-regulation of MHC-II was inhibited by the blockade of IRAK, NF-kB, and MAPKs.
|
537 |
24384074
|
TLR-7 and TLR-9 ligands had the most effective adjuvant like effect on MHC-II of APCs which allowed BCG vaccine mediated activation of CD4 T cells.
|
538 |
24390332
|
Toll-like receptor 7/8 (TLR7/8) and TLR9 agonists cooperate to enhance HIV-1 envelope antibody responses in rhesus macaques.
|
539 |
24391136
|
Using parenteral administration of ovalbumin (OVA) protein as a model antigen, the effect of the Toll-like receptor 9 (TLR9) agonist, CpG oligodeoxynucleotide (ODN) 1826, as an adjuvant delivered either topically, subcutaneously, or intramuscularly on antigen-specific CD8(+) T cell responses in a mouse model was evaluated.
|
540 |
24422657
|
SPLV injection enhanced serum IgA, IgM, IgG, IFN-γ, IL-1β, TNF-α and IL-10 concentrations (p < 0.05) and stimulated the relative mRNA abundance of Toll-like receptors (TLR3, TLR7 or TLR9) in different tissues (p < 0.05).
|
541 |
24422657
|
Under no challenge, increasing dietary TIDT levels enhanced serum IgG (p < 0.05), IgM (p = 0.07) and IFN-γ (p < 0.05) concentration, tended to decrease serum IL-1β, TNF-α and IL-10 concentration, and regulated relative mRNA abundance of TLR3, TLR7 or TLR9 in different tissues (p < 0.05).
|
542 |
24422657
|
Under SPLV challenge, increasing dietary TIDT levels attenuated the increase of the serum IFN-γ concentration, and the increase of the relative mRNA abundance of TLR3, TLR7 and TLR9 in the different tissues (p < 0.05).
|
543 |
24422657
|
These results suggest that an appropriate dietary threonine supplementation could improve the immune status of weaned pigs injected with SPLV by down-regulating the expression of TLR3, TLR7 and TLR9 in tissues, and thus regulating T-helper cytokine secretion.
|
544 |
24422657
|
SPLV injection enhanced serum IgA, IgM, IgG, IFN-γ, IL-1β, TNF-α and IL-10 concentrations (p < 0.05) and stimulated the relative mRNA abundance of Toll-like receptors (TLR3, TLR7 or TLR9) in different tissues (p < 0.05).
|
545 |
24422657
|
Under no challenge, increasing dietary TIDT levels enhanced serum IgG (p < 0.05), IgM (p = 0.07) and IFN-γ (p < 0.05) concentration, tended to decrease serum IL-1β, TNF-α and IL-10 concentration, and regulated relative mRNA abundance of TLR3, TLR7 or TLR9 in different tissues (p < 0.05).
|
546 |
24422657
|
Under SPLV challenge, increasing dietary TIDT levels attenuated the increase of the serum IFN-γ concentration, and the increase of the relative mRNA abundance of TLR3, TLR7 and TLR9 in the different tissues (p < 0.05).
|
547 |
24422657
|
These results suggest that an appropriate dietary threonine supplementation could improve the immune status of weaned pigs injected with SPLV by down-regulating the expression of TLR3, TLR7 and TLR9 in tissues, and thus regulating T-helper cytokine secretion.
|
548 |
24422657
|
SPLV injection enhanced serum IgA, IgM, IgG, IFN-γ, IL-1β, TNF-α and IL-10 concentrations (p < 0.05) and stimulated the relative mRNA abundance of Toll-like receptors (TLR3, TLR7 or TLR9) in different tissues (p < 0.05).
|
549 |
24422657
|
Under no challenge, increasing dietary TIDT levels enhanced serum IgG (p < 0.05), IgM (p = 0.07) and IFN-γ (p < 0.05) concentration, tended to decrease serum IL-1β, TNF-α and IL-10 concentration, and regulated relative mRNA abundance of TLR3, TLR7 or TLR9 in different tissues (p < 0.05).
|
550 |
24422657
|
Under SPLV challenge, increasing dietary TIDT levels attenuated the increase of the serum IFN-γ concentration, and the increase of the relative mRNA abundance of TLR3, TLR7 and TLR9 in the different tissues (p < 0.05).
|
551 |
24422657
|
These results suggest that an appropriate dietary threonine supplementation could improve the immune status of weaned pigs injected with SPLV by down-regulating the expression of TLR3, TLR7 and TLR9 in tissues, and thus regulating T-helper cytokine secretion.
|
552 |
24422657
|
SPLV injection enhanced serum IgA, IgM, IgG, IFN-γ, IL-1β, TNF-α and IL-10 concentrations (p < 0.05) and stimulated the relative mRNA abundance of Toll-like receptors (TLR3, TLR7 or TLR9) in different tissues (p < 0.05).
|
553 |
24422657
|
Under no challenge, increasing dietary TIDT levels enhanced serum IgG (p < 0.05), IgM (p = 0.07) and IFN-γ (p < 0.05) concentration, tended to decrease serum IL-1β, TNF-α and IL-10 concentration, and regulated relative mRNA abundance of TLR3, TLR7 or TLR9 in different tissues (p < 0.05).
|
554 |
24422657
|
Under SPLV challenge, increasing dietary TIDT levels attenuated the increase of the serum IFN-γ concentration, and the increase of the relative mRNA abundance of TLR3, TLR7 and TLR9 in the different tissues (p < 0.05).
|
555 |
24422657
|
These results suggest that an appropriate dietary threonine supplementation could improve the immune status of weaned pigs injected with SPLV by down-regulating the expression of TLR3, TLR7 and TLR9 in tissues, and thus regulating T-helper cytokine secretion.
|
556 |
24463331
|
The polyepitope protein includes contiguous multiple MHC class I-restricted epitopes with an aim to induce CD8(+) T cell immunity, while gB is an important target for CD4(+) T cell immunity and neutralizing antibodies.
|
557 |
24463331
|
Optimal immunogenicity of this bivalent non-live protein vaccine formulation was dependent upon the co-administration of both the TLR4 and TLR9 agonist, which was associated with the activation of innate immune signatures and the influx of different DC subsets including plasmacytoid DCs and migratory CD8-DEC205+CD103-CD326- langerin-negative dermal DCs into the draining lymph nodes.
|
558 |
24516163
|
Nonagonistic Dectin-1 ligand transforms CpG into a multitask nanoparticulate TLR9 agonist.
|
559 |
24530927
|
Specific-pathogen free chickens were treated with a series of TLR ligands that interact with TLR3, TLR9 and TLR21.
|
560 |
24534144
|
Endosomal TLRs, TLR3, TLR7/8, and TLR9 are involved in antiviral responses by promoting the production of antiviral cytokines such as type I interferons.
|
561 |
24534144
|
The aim of the present study was to evaluate the expression of TLR3, TLR7 and TLR9 in porcine alveolar macrophages (PAM) infected with different genotype 1 PRRSV strains previously sequenced and characterized by their ability to induce TNF-α: 3262 (TNF-α inducer), 3267 (TNF-α not inducer) and an attenuated vaccine strain (strain Deventer, PorcilisPRRS, Merck) that replicates scarcely in PAM.
|
562 |
24534144
|
Thus, in PAM infected with PRRSV strain 3262 the proportion of TLR3+ cells significantly increased from 24h compared with the controls; in contrast strain 3267 resulted in a lower proportion of TLR3+ PAM.
|
563 |
24534144
|
Endosomal TLRs, TLR3, TLR7/8, and TLR9 are involved in antiviral responses by promoting the production of antiviral cytokines such as type I interferons.
|
564 |
24534144
|
The aim of the present study was to evaluate the expression of TLR3, TLR7 and TLR9 in porcine alveolar macrophages (PAM) infected with different genotype 1 PRRSV strains previously sequenced and characterized by their ability to induce TNF-α: 3262 (TNF-α inducer), 3267 (TNF-α not inducer) and an attenuated vaccine strain (strain Deventer, PorcilisPRRS, Merck) that replicates scarcely in PAM.
|
565 |
24534144
|
Thus, in PAM infected with PRRSV strain 3262 the proportion of TLR3+ cells significantly increased from 24h compared with the controls; in contrast strain 3267 resulted in a lower proportion of TLR3+ PAM.
|
566 |
24632732
|
In a PP cell culture system, b240 promoted the production of immunoglobulin A (IgA), interleukin (IL)-6, IL-10, interferon (IFN)-γ, and tumor necrosis factor, but not IL-4, IL-5, B-cell activating factors, IFN-α, IFN-β, and transforming growth factor-β1.
|
567 |
24632732
|
The enhanced IgA production by b240 was attenuated by neutralizing IL-6, a potent IgA-enhancing cytokine. b240 stimulated DCs to produce an elevated amount of IL-6 in a Toll-like receptor (TLR) 2-, but not TLR4- or TLR9-dependent manner.
|
568 |
24632732
|
Finally, we demonstrated that TLR2-mediated IL-6 production from PP DCs in response to b240 activated B cells to produce a large amount of IgA in a DC-B cell co-culture system.
|
569 |
24648995
|
In this study, we evaluated a TLR9 ligand (CpG oligodeoxynucleotide 1826, CpG) as an adjuvant for a partially protective DNA vaccine encoding a 26-kDa glutathione S-transferase of Schistosoma japonicum (pVAX1-Sj26GST).
|
570 |
24648995
|
Vaccination with pVAX1-Sj26GST in combination with CpG inhibited Treg immunosuppressive function, upregulated the production of interferon (IFN)-γ, tumor necrosis factor (TNF)-α, interleukin (IL)-4, IL-10, IL-2 and IL-6, and decreased CD4+CD8+Foxp3+ expression in vitro, which may contribute to the escape from Treg-mediated suppression during vaccination, allowing expansion of antigen-specific T cells against pathogens.
|
571 |
24720881
|
It is well established that CpG oligonucleotides (ODN), a widely studied Toll-like receptor 9 (TLR9) agonist, used to enhance Th1 response, also induces high levels of the anti-inflammatory, Th2-promoting cytokine IL10, which could dampen the resulting Th1 response.
|
572 |
24720881
|
Co-delivery of poly(I:C), a TLR3 agonist had only minor effects on IL10 levels.
|
573 |
24837764
|
The Rv2034 protein indeed was highly immunogenic in HLA-DR3 transgenic mice and induced HLA-DR3 restricted IFN-γ(+)/TNF(+) and IFN-γ(+) CD4(+) T-cells, specific for an epitope encoded in peptide 31-50.
|
574 |
24837764
|
CD4(+) T-cell responses were optimally induced when using TLR9- and TLR3-ligand-adjuvants or CAF09.
|
575 |
24837764
|
Rv2034-specific antibodies were observed following immunization with either TLR2-, TLR3-, TLR4-, TLR5-, TLR7- or TLR9-ligands or CAF09.
|
576 |
24837764
|
The Rv2034 protein indeed was highly immunogenic in HLA-DR3 transgenic mice and induced HLA-DR3 restricted IFN-γ(+)/TNF(+) and IFN-γ(+) CD4(+) T-cells, specific for an epitope encoded in peptide 31-50.
|
577 |
24837764
|
CD4(+) T-cell responses were optimally induced when using TLR9- and TLR3-ligand-adjuvants or CAF09.
|
578 |
24837764
|
Rv2034-specific antibodies were observed following immunization with either TLR2-, TLR3-, TLR4-, TLR5-, TLR7- or TLR9-ligands or CAF09.
|
579 |
24853609
|
MPL® (a TLR4 agonist) and the CpG oligodeoxynucleotide of 1018 ISS, a TLR9 agonist, show strong immunogenicity effects that make them appropriate adjuvants for allergy vaccines.
|
580 |
24853609
|
In addition, intranasal administration of AZD8848 (a TLR7 agonist) and VTX-1463 (a TLR8 agonist) as stand-alone therapeutics have revealed efficacy in the relief of the symptoms of AR patients.
|
581 |
24890740
|
Immune and anticancer responses elicited by fully synthetic aberrantly glycosylated MUC1 tripartite vaccines modified by a TLR2 or TLR9 agonist.
|
582 |
25114104
|
In this article, we report that C57BL/6 mice lacking the adapter protein MyD88, which mediates signaling by TLRs and IL-1 family members, showed enhanced immunity to H. polygyrus infection.
|
583 |
25114104
|
Alongside increased parasite expulsion, MyD88-deficient mice showed heightened IL-4 and IL-17A production from mesenteric lymph node CD4(+) cells.
|
584 |
25114104
|
In addition, MyD88(-/-) mice developed substantial numbers of intestinal granulomas around the site of infection, which were not seen in MyD88-sufficient C57BL/6 mice, nor when signaling through the adapter protein TRIF (TIR domain-containing adapter-inducing IFN-β adapter protein) was also ablated.
|
585 |
25114104
|
Mice deficient solely in TLR2, TLR4, TLR5, or TLR9 did not show enhanced parasite expulsion, suggesting that these TLRs signal redundantly to maintain H. polygyrus susceptibility in wild-type mice.
|
586 |
25114104
|
Like IL-1R1(-/-) and MyD88(-/-) mice, animals lacking signaling through the type 1 IFN receptor (i.e., IFNAR1(-/-)) also developed intestinal granulomas.
|
587 |
25114104
|
Hence, IL-1R1, MyD88, and type 1 IFN receptor signaling may provide pathways to impede granuloma formation in vivo, but additional MyD88-mediated signals are associated with inhibition of protective immunity in susceptible C57BL/6 mice.
|
588 |
25224571
|
Recently, it has been noted that TLRs on tumor cells are involved in tumor development, and several TLR agonists, such as the TLR3 agonist poly(I:C) and the TLR9 agonist CpG ODN, are being developed as vaccine adjuvants and cancer immunotherapeutics.
|
589 |
25310967
|
Slc15a4 function is required for intact class switch recombination to IgG2c in response to TLR9 stimulation.
|
590 |
25310967
|
Here, we used feeble mice, which are deficient in the peptide/histidine transporter solute carrier family 15 member 4 (Slc15a4), and fail to produce cytokines including interferon alpha (IFNα) in response to TLR9 stimulation, to study Ab isotype switching to IgG2c in response to vaccination.
|
591 |
25310967
|
We conclude that Slc15a4 is required for intact function of TLR9-expressing cells and for effective Ab isotype switching to IgG2c in response to CpG-adjuvanted vaccines.
|
592 |
25310967
|
Slc15a4 function is required for intact class switch recombination to IgG2c in response to TLR9 stimulation.
|
593 |
25310967
|
Here, we used feeble mice, which are deficient in the peptide/histidine transporter solute carrier family 15 member 4 (Slc15a4), and fail to produce cytokines including interferon alpha (IFNα) in response to TLR9 stimulation, to study Ab isotype switching to IgG2c in response to vaccination.
|
594 |
25310967
|
We conclude that Slc15a4 is required for intact function of TLR9-expressing cells and for effective Ab isotype switching to IgG2c in response to CpG-adjuvanted vaccines.
|
595 |
25310967
|
Slc15a4 function is required for intact class switch recombination to IgG2c in response to TLR9 stimulation.
|
596 |
25310967
|
Here, we used feeble mice, which are deficient in the peptide/histidine transporter solute carrier family 15 member 4 (Slc15a4), and fail to produce cytokines including interferon alpha (IFNα) in response to TLR9 stimulation, to study Ab isotype switching to IgG2c in response to vaccination.
|
597 |
25310967
|
We conclude that Slc15a4 is required for intact function of TLR9-expressing cells and for effective Ab isotype switching to IgG2c in response to CpG-adjuvanted vaccines.
|
598 |
25312698
|
Among the TLR family, TLR1, TLR2, TLR4, and TLR9 and their down-stream signaling proteins play critical roles in the initiation of the immune response in the pathogenesis of TB.
|
599 |
25312698
|
The inflammasome pathway is associated with the coordinated release of cytokines such as IL-1β and IL-18 which also play a role in the pathogenesis of TB.
|
600 |
25350003
|
TLR3 and TLR9 agonists improve postexposure vaccination efficacy of live smallpox vaccines.
|
601 |
25350003
|
To further extend this protective window and to reduce morbidity, mice were vaccinated postexposure with Vaccinia-Lister, the conventional smallpox vaccine or Modified Vaccinia Ankara, a highly attenuated vaccine in conjunction with TLR3 or TLR9 agonists.
|
602 |
25350003
|
TLR3 and TLR9 agonists improve postexposure vaccination efficacy of live smallpox vaccines.
|
603 |
25350003
|
To further extend this protective window and to reduce morbidity, mice were vaccinated postexposure with Vaccinia-Lister, the conventional smallpox vaccine or Modified Vaccinia Ankara, a highly attenuated vaccine in conjunction with TLR3 or TLR9 agonists.
|
604 |
25465180
|
The quantitative PCR analysis revealed that the immunization significantly up-regulated the expression of immune related genes TLR-9 and MyD88 the first two weeks after immunization.
|
605 |
25473100
|
Notably, the delay of PCD was mediated by modulation of the antiapoptotic proteins, Mcl-1 and Bfl-1, and impairment of loss of Δψm in macrophages through the neutralization of oxidative and nitrosative stress.
|
606 |
25473100
|
Analysis of the targets of LdDNA identified an early activation of the TLR9-dependent PI3K/Akt and SFK pathways, which were required for the observation of the antiapoptotic effects in macrophages.
|
607 |
25536171
|
B cell TLR1/2, TLR4, TLR7 and TLR9 interact in induction of class switch DNA recombination: modulation by BCR and CD40, and relevance to T-independent antibody responses.
|
608 |
25536171
|
Here, we have addressed cross-regulation between two different TLRs or between a TLR and CD40 in CSR induction by using a B cell stimulation system involving lipopolysaccharides (LPS).
|
609 |
25536171
|
Consistent with the requirement for dual TLR and BCR engagement in CSR induction, LPS, which engages TLR4 through its lipid A moiety, triggered cytosolic Ca2+ flux in B cells through its BCR-engaging polysaccharidic moiety.
|
610 |
25536171
|
In the presence of BCR crosslinking, LPS synergized with a TLR1/2 ligand (Pam3CSK4) in CSR induction, but much less efficiently with a TLR7 (R-848) or TLR9 (CpG) ligand.
|
611 |
25536171
|
In the absence of BCR crosslinking, R-848 and CpG, which per se induced marginal CSR, virtually abrogated CSR to IgG1, IgG2a, IgG2b, IgG3 and/or IgA, as induced by LPS or CD154 (CD40 ligand) plus IL-4, IFN-γ or TGF-β, and reduced secretion of class-switched Igs, without affecting B cell proliferation or IgM expression.
|
612 |
25536171
|
The CSR inhibition by TLR9 was associated with the reduction in AID expression and/or IgH germline IH-S-CH transcription, and required co-stimulation of B cells by CpG with LPS or CD154.
|
613 |
25536171
|
Unexpectedly, B cells also failed to undergo CSR or plasma cell differentiation when co-stimulated by LPS and CD154.
|
614 |
25536171
|
Overall, by addressing the interaction of TLR1/2, TLR4, TLR7 and TLR9 in the induction of CSR and modulation of TLR-dependent CSR by BCR and CD40, our study suggests the complexity of how different stimuli cross-regulate an important B cell differentiation process and an important role of TLRs in inducing effective T-independent antibody responses to microbial pathogens, allergens and vaccines.
|
615 |
25536171
|
B cell TLR1/2, TLR4, TLR7 and TLR9 interact in induction of class switch DNA recombination: modulation by BCR and CD40, and relevance to T-independent antibody responses.
|
616 |
25536171
|
Here, we have addressed cross-regulation between two different TLRs or between a TLR and CD40 in CSR induction by using a B cell stimulation system involving lipopolysaccharides (LPS).
|
617 |
25536171
|
Consistent with the requirement for dual TLR and BCR engagement in CSR induction, LPS, which engages TLR4 through its lipid A moiety, triggered cytosolic Ca2+ flux in B cells through its BCR-engaging polysaccharidic moiety.
|
618 |
25536171
|
In the presence of BCR crosslinking, LPS synergized with a TLR1/2 ligand (Pam3CSK4) in CSR induction, but much less efficiently with a TLR7 (R-848) or TLR9 (CpG) ligand.
|
619 |
25536171
|
In the absence of BCR crosslinking, R-848 and CpG, which per se induced marginal CSR, virtually abrogated CSR to IgG1, IgG2a, IgG2b, IgG3 and/or IgA, as induced by LPS or CD154 (CD40 ligand) plus IL-4, IFN-γ or TGF-β, and reduced secretion of class-switched Igs, without affecting B cell proliferation or IgM expression.
|
620 |
25536171
|
The CSR inhibition by TLR9 was associated with the reduction in AID expression and/or IgH germline IH-S-CH transcription, and required co-stimulation of B cells by CpG with LPS or CD154.
|
621 |
25536171
|
Unexpectedly, B cells also failed to undergo CSR or plasma cell differentiation when co-stimulated by LPS and CD154.
|
622 |
25536171
|
Overall, by addressing the interaction of TLR1/2, TLR4, TLR7 and TLR9 in the induction of CSR and modulation of TLR-dependent CSR by BCR and CD40, our study suggests the complexity of how different stimuli cross-regulate an important B cell differentiation process and an important role of TLRs in inducing effective T-independent antibody responses to microbial pathogens, allergens and vaccines.
|
623 |
25536171
|
B cell TLR1/2, TLR4, TLR7 and TLR9 interact in induction of class switch DNA recombination: modulation by BCR and CD40, and relevance to T-independent antibody responses.
|
624 |
25536171
|
Here, we have addressed cross-regulation between two different TLRs or between a TLR and CD40 in CSR induction by using a B cell stimulation system involving lipopolysaccharides (LPS).
|
625 |
25536171
|
Consistent with the requirement for dual TLR and BCR engagement in CSR induction, LPS, which engages TLR4 through its lipid A moiety, triggered cytosolic Ca2+ flux in B cells through its BCR-engaging polysaccharidic moiety.
|
626 |
25536171
|
In the presence of BCR crosslinking, LPS synergized with a TLR1/2 ligand (Pam3CSK4) in CSR induction, but much less efficiently with a TLR7 (R-848) or TLR9 (CpG) ligand.
|
627 |
25536171
|
In the absence of BCR crosslinking, R-848 and CpG, which per se induced marginal CSR, virtually abrogated CSR to IgG1, IgG2a, IgG2b, IgG3 and/or IgA, as induced by LPS or CD154 (CD40 ligand) plus IL-4, IFN-γ or TGF-β, and reduced secretion of class-switched Igs, without affecting B cell proliferation or IgM expression.
|
628 |
25536171
|
The CSR inhibition by TLR9 was associated with the reduction in AID expression and/or IgH germline IH-S-CH transcription, and required co-stimulation of B cells by CpG with LPS or CD154.
|
629 |
25536171
|
Unexpectedly, B cells also failed to undergo CSR or plasma cell differentiation when co-stimulated by LPS and CD154.
|
630 |
25536171
|
Overall, by addressing the interaction of TLR1/2, TLR4, TLR7 and TLR9 in the induction of CSR and modulation of TLR-dependent CSR by BCR and CD40, our study suggests the complexity of how different stimuli cross-regulate an important B cell differentiation process and an important role of TLRs in inducing effective T-independent antibody responses to microbial pathogens, allergens and vaccines.
|
631 |
25536171
|
B cell TLR1/2, TLR4, TLR7 and TLR9 interact in induction of class switch DNA recombination: modulation by BCR and CD40, and relevance to T-independent antibody responses.
|
632 |
25536171
|
Here, we have addressed cross-regulation between two different TLRs or between a TLR and CD40 in CSR induction by using a B cell stimulation system involving lipopolysaccharides (LPS).
|
633 |
25536171
|
Consistent with the requirement for dual TLR and BCR engagement in CSR induction, LPS, which engages TLR4 through its lipid A moiety, triggered cytosolic Ca2+ flux in B cells through its BCR-engaging polysaccharidic moiety.
|
634 |
25536171
|
In the presence of BCR crosslinking, LPS synergized with a TLR1/2 ligand (Pam3CSK4) in CSR induction, but much less efficiently with a TLR7 (R-848) or TLR9 (CpG) ligand.
|
635 |
25536171
|
In the absence of BCR crosslinking, R-848 and CpG, which per se induced marginal CSR, virtually abrogated CSR to IgG1, IgG2a, IgG2b, IgG3 and/or IgA, as induced by LPS or CD154 (CD40 ligand) plus IL-4, IFN-γ or TGF-β, and reduced secretion of class-switched Igs, without affecting B cell proliferation or IgM expression.
|
636 |
25536171
|
The CSR inhibition by TLR9 was associated with the reduction in AID expression and/or IgH germline IH-S-CH transcription, and required co-stimulation of B cells by CpG with LPS or CD154.
|
637 |
25536171
|
Unexpectedly, B cells also failed to undergo CSR or plasma cell differentiation when co-stimulated by LPS and CD154.
|
638 |
25536171
|
Overall, by addressing the interaction of TLR1/2, TLR4, TLR7 and TLR9 in the induction of CSR and modulation of TLR-dependent CSR by BCR and CD40, our study suggests the complexity of how different stimuli cross-regulate an important B cell differentiation process and an important role of TLRs in inducing effective T-independent antibody responses to microbial pathogens, allergens and vaccines.
|
639 |
25548274
|
Thus, LREL-induced increases in the expression levels of several cell surface marker proteins, production of inflammatory cytokines IL-12p40 and TNF-α, and activation and nuclear translocation of transcription factors, as was observed in the WT DCs, were completely abrogated in DCs derived from the TLR4(-/-) mice but not in DCs derived from the TLR2(-/-), TLR7(-/-), and TLR9(-/-) mice.
|
640 |
25646304
|
Therapeutic protection required IFN-γ and CD8(+) T cells, whereas NK and CD4(+) T cells were found to be redundant.
|
641 |
25646304
|
ISCOMATRIX vaccines combined with TLR3 and TLR9 agonists represent a promising cancer immunotherapy strategy.
|
642 |
25762407
|
Here, we used CpG-C together with the clinically relevant saponin-based adjuvant AbISCO-100/Matrix-M (AbISCO), to assess if TLR9 co-stimulation would quantitatively or qualitatively modulate HIV-1 envelope glycoprotein (Env)-specific B and T cell responses in rhesus macaques.
|
643 |
25775582
|
Immunomodulatory nucleic acids act by agonizing or antagonizing endosomal toll-like receptors (TLR3, TLR7/8, and TLR9), proteins involved in innate immune signaling.
|
644 |
25888637
|
Immunization with microparticles containing TLR9 and NOD-2 ligands (MIS416) significantly prolonged survival in tumor-bearing mice.
|
645 |
26022572
|
A TLR4 agonist is part of a licensed vaccine and TLR9 ligands are in late stage clinical testing.
|
646 |
26093207
|
Furthermore, significant induction of TLR9, Mx and IL-1β was observed in the spleen on day 7 post-vaccination, supporting that the vaccine could trigger TLR9 signaling.
|
647 |
26093207
|
Interestingly, at week 2 the ODN appeared to induce a Th1-like response, as indicated by upregulation of T-bet (a Th1 marker) and downregulation of GATA-3 (a Th2 marker).
|
648 |
26140240
|
Comparison of chemokines induced in the bladder by either CpG (a TLR-9 agonist) or Ty21a highlighted the preferential increase in complement component 5a, CXCL5, CXCL2, CCL8, and CCL5 by Ty21a, suggesting their involvement in the attraction of T cells to the bladder.
|
649 |
26182986
|
We isolated RNA from peripheral blood mononuclear cells and, with PCR, detected transcripts for TLRs 2, 3, 4, 5, 6, 7, 8, 9, 10 and 13.
|
650 |
26182986
|
Stimulation of the mononuclear cells with agonists to these TLRs increased the expression of downstream TLR signaling products (IL1α, IL6, IL12A and IFNβ).
|
651 |
26395101
|
In response to microbial pattern molecules, these DCs upgrade the maturation stage sufficient to improve cross-presentation of exogenous Ag, and upregulation of MHC and costimulators, allowing CD4/CD8 T cells to proliferate and liberating cytokines/chemokines that support lymphocyte attraction and survival.
|
652 |
26395101
|
Mouse CD8α(+) DCs express TLR7 and TLR9 in addition to the TLR2 family (TLR1, 2, and 6) and TLR3, whereas human CD141(+) DCs exclusively express the TLR2 family and TLR3.
|
653 |
26395101
|
In contrast, TLR2 and TLR3 are similarly expressed in both human and mouse Ag-presenting DCs.
|
654 |
26395101
|
Bacillus Calmette-Guerin peptidoglycan and polyinosinic-polycytidylic acid are representative agonists for TLR2 and TLR3, respectively, although they additionally stimulate cytoplasmic sensors: their functional specificities may not be limited to the relevant TLRs.
|
655 |
26395101
|
We herein summarize the history and perspectives of TLR2 and TLR3 agonists in vaccine-adjuvant immunotherapy for cancer.
|