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PMID |
Sentence |
1 |
21959330
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Bone marrow chimeras with CD40L(+/+) or CD40L(-/-) NKT cells were immunized with Ag plus CD1d ligand before measuring Ab responses.
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2 |
9205055
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The contribution of this ligand-receptor pair to the development of protective immunity against syngeneic tumors was evaluated by blocking the in vivo function of CD154 or by studying tumor resistance in mice genetically deficient in CD40 expression (CD40-/-).
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3 |
9550372
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Interaction of CD40 with its ligand (CD154) can induce CD40-bearing APCs to express immune stimulatory accessory molecules that facilitate immune recognition.
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4 |
10820273
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CD40 ligand (CD40L) is a cell surface costimulatory molecule expressed mainly by activated T cells.
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5 |
10820273
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CD40L expression promotes Th1 cytokine responses to protein Ags and is responsible for Ig isotype switching in B cells.
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6 |
10820273
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These studies show that coincident expression of CD40L enhances the Th1 (IL-2 and IFN-gamma) cytokine responses, increases the expression of TNF-alpha and NO, accelerates virus clearance, and increases the anti-F and anti-G Ab responses.
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7 |
10985254
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CD40 ligand (also called CD40L, CD154, or TNFSF5) is a membrane protein expressed mainly by activated CD4+ T cells, which interacts with its receptor, CD40, on a variety of cells.
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8 |
10985254
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Later, with the development of AIDS, CD40L-expressing CD4+ T cells become selectively depleted, perhaps as a result of a gp120-induced signal through CD4 that down-regulates CD40L expression.
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9 |
11265774
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While PC upregulated expression of major histocompatibility complex class I/II and costimulatory molecules on the surface of DC, CD40L +/- IFN-gamma increased interleukin (IL)- 12 and to a lesser extent, IL-15 production by DC.
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10 |
11265774
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The ability of DC + ATC to cross-prime TAA-inexperienced ("naive") T cells was significantly enhanced by PC and CD40L or CD40L + IFN-gamma, but not by IFN-gamma alone.
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11 |
11290810
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Recombinant vaccinia viruses (rVV) provide a rapid, easy, and efficient method to introduce Ags into DC, but we observed that rVV infection of DCimm results in blockade of DC maturation in response to all activation signals, including CD40L, monocyte-conditioned medium, LPS, TNF-alpha, and poly(I:C), and failure to induce a CD8(+) response.
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12 |
12947333
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CD40L augments DC IL-12 secretion and is essential to potentiate specific antimelanoma cytolytic responses stimulated by the Mart-1 antigen. sCD40L should be considered a crucial adjuvant in DC preparations for RNA-based DC vaccine therapies.
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13 |
14645711
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This adenoviral vector encodes a fusion protein composed of an amino-terminal tumor-associated antigen fragment fused to the CD40 ligand (CD40L).
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14 |
13680192
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To develop the basis for a new DC-based cancer vaccine, we investigated cell-to-cell interactions between human monocyte-derived DCs and autologous T cells that are activated to express the CD40 ligand (CD40L).
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15 |
15147576
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The objective of this study was to determine whether a DNA vaccine encoding bovine CD154 linked to a truncated version of bovine herpesvirus-1 (BHV-1) glycoprotein D (tgD-CD154) induces enhanced tgD-specific immune responses in cattle.
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16 |
15265893
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IL-12 production and CD80/CD86 expression by MDC/PDC mixtures was further enhanced by CD40L and ISS-ODN treatment.
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17 |
15359290
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We observed a high level of CD40L protein on purified viral particles and demonstrated that induction of IL-12 by nonreplicating rV-CD40L was blocked by anti-CD40 antibodies suggesting that functional CD40L on viral particles contributed to alterations in IL-12 synthesis.
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18 |
15955282
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The aim of this study was to determine the immunomodulatory effects of IL-12, IL-18 and CD154 (CD40 ligand, CD40L) in DNA-vaccination against the classical swine fever virus.
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19 |
16177330
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We have previously shown that infection by Trypanosoma cruzi, a parasitic protozoan, is reduced by injection of CD40 ligand (CD40L)-transfected 3T3 fibroblasts (D.
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20 |
16491482
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The interaction between CD40 ligand (CD40L) and CD40 on antigen presenting cells is essential for the initiation of antigen-specific T-cell responses, whereas CD40L stimulation of CD40+ tumor cells can induce cellular apoptosis.
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21 |
16904966
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High-level production of heterodimeric p70 interleukin (IL)-12 by myeloid-derived dendritic cells (DCs) requires 2 signals: interferon gamma (IFN-gamma) and a maturation signal provided by CD40 ligation (CD40L) or lipopolysaccharide (LPS).
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22 |
16971806
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These immature DCs can be rapidly activated by soluble CD40 ligand (CD40L).
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23 |
16971806
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Overnight culture with soluble CD40L caused marked up-regulation of activation markers (CD83 and HLA-DR).
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24 |
16988005
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CD40 ligand (CD40L) and GITR ligand (glucocorticoid-induced tumor necrosis factor receptor-related protein ligand [GITRL]) are tumor necrosis factor superfamily molecules that can be used as vaccine adjuvants.
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25 |
16988005
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In a previous human immunodeficiency virus (HIV) DNA vaccine study in mice, we found that plasmids expressing multimeric soluble forms of trimeric CD40L (i.e., many trimers) were stronger activators of CD8(+) T-cell responses than were single-trimer soluble forms or the natural membrane-bound molecule.
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26 |
17101562
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Eleven different molecule, cytokine and chemokine mRNAs levels (CCR7, IL-23, TGF-beta-IP, IFN-gamma, IL-10, CD1a, CD40, CD54, CD80, CD83, CD86) were determined using the real-time PCR technique with TaqMan chemistry using ready-to-use low-density arrays for gene expression by Applied Biosystems. 1) Increases in mRNA levels for CD40, CD54 and CD80 after CD40L and IL-4 stimulation were observed, 2) CCR7 mRNA expression was higher after CD40 ligation than before the culture (p = 0.002), 3) IL-10 mRNA expression was higher after the culture with medium than before the culture (p = 0.01).
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27 |
17081609
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In contrast, transcripts for costimulatory receptors and ligands were notably different following activation, as WC1(+) T cells expressed no or lower levels of transcripts for CD28 and CD40L, while CD4(+) T cells expressed substantial levels of both.
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28 |
17371543
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Following stimulation with CD40 ligand, DCs matured in the presence of BCG showed enhanced IL-10 and diminished IL-12 production.
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29 |
17403867
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We have previously shown that combining CD40 ligand (CD40L) with Leishmania antigen preferentially induces a type 1 immune response and provides some protection to vaccinated mice (G.
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30 |
17553885
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Virus-specific CD4 T cells are endowed with multiple functions, such as cytokine production, CD40 ligand (CD40L) expression (associated with the costimulation of CD8 and B cells), and degranulation (associated with cytotoxic potential).
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31 |
17626150
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The in vivo stimulatory effect of the CD4(+) aT(EXO) cell to CD8(+) T cell responses is mediated and targeted by its CD40 ligand signaling/acquired exosomal CD80 and pMHC I complexes, respectively.
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32 |
17634507
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Here we show that monocyte-derived DCs from persons with chronic HCV infection, with or without HIV-1 coinfection, being treated with combination antiretroviral therapy produced lower levels of interleukin 12 (IL-12) p70 in response to CD40 ligand (CD40L), whereas the expression of DC surface activation and costimulatory molecules was unimpaired.
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33 |
17634507
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Thus, myeloid DCs derived from persons with chronic HCV infection or with both HCV and HIV-1 infections have defects in IL-12 p70 production related to IL-10 activity that can be overcome by treatment of the DCs with CD40L and IFN-gamma.
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34 |
17878387
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Although OK-DCs fused with unheated tumor cells efficiently enhanced CTL induction, OK-DCs fused with heat-treated tumor cells were most active, as demonstrated by: 1) up-regulation of multiple HSPs, MHC class I and II, CEA, CD80, CD86, CD83, and IL-12; 2) activation of CD4+ and CD8+ T cells able to produce IFN- gamma at higher levels; 3) efficient induction of CTL activity specific for CEA or MUC1 or both against autologous tumor; and 4) superior abilities to induce CD107+ IFN-gamma+ CD8+ T cells and CD154+ IFN-gamma+ CD4+ T cells.
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35 |
18079003
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Expression of eGFP was augmented in all DC populations upon stimulation with CD40 ligand (CD40L).
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36 |
18453582
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However, upon restimulation with rhesus macaque CD154, GA/d-cAMP-activated DCs produced IL-12p40/IL-23.
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37 |
19017930
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Adoptively transferred naive CD4(+) TCR-transgenic OT-II cells supported endogenous primary CD8(+) T cell responses, but IL-2-deficient OT-II cells were unable to provide help, although they responded to Ag in vivo and up-regulated CD40 ligand in vitro.
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38 |
19345343
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We demonstrated that CD4+ cells from CIP did not increase levels of CD40L and CD69 following stimulation with HBcAg alone or associated to CD28 crosslinking, in contrast to subjects that resolved the infection (p<0.01).
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39 |
19444444
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In aged human beings and mice, the reduced levels of expression of CD40 ligand (CD40L) in activated CD4 helper T cells is dramatically reduced [Eaton et al.
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40 |
19632790
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CD40 ligand (CD40L) is the major signal that induces B cells to efficiently present antigen to T cells, and CD40-activated B (CD40-B) lymphocyte cells may boost cytotoxic T lymphocytes (CTLs) when they are pulsed with tumour antigens.
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41 |
20525895
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V-Oka and virulent VZV efficiently synergized with CD40L, eliminating the possibility that CD40 signaling was a target of VZV-associated immune evasion.
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42 |
20957227
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Sorted human CD19+CD27+ B cells were retrovirally transduced with the human B cell lymphoma (BCL)-6 and BCL-XL genes, and subsequently cultured in the presence of CD40-ligand and IL-21.
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43 |
21145762
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Help from Treg cells was dependent on CD40L, and (unlike help from conventional non-Treg CD4(+) cells) did not require preactivation or prior exposure to antigen.
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44 |
20604681
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In this study, we used a recombinant adapter protein, CFm40L, which consists of the ectodomain of CAR genetically fused to the ectodomain of CD40 ligand (CD40L) via a trimerization motif, to target Her-2/neu- or human papillomavirus 16 (HPV16) E6/E7-encoding adenoviruses to CD40 on dendritic cells (DCs) and B cells.
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45 |
21186260
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Following tuberculin stimulation, activated CD4 T cells were identified by flow-cytometry (CD154 up-regulation, degranulation, interferon ? [IFN-?], tumor necrosis factor ? [TNF-?], and interleukin 2 [IL-2 production).
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46 |
21186260
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Interestingly, CD154 up-regulation accounted for ?80% of activated CD4 T cells in the active TB group but just 40% in the controls, whereas IFN-? accounted for only ?50% of activated cells in each group.
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47 |
20851084
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In this study, the recombinant adenoviruses expressing porcine CD40 ligand (CD40L) and GP3/GP5 of PRRSV were constructed and the immune responses were examined in pigs.
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48 |
20861328
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The Mtb72F-specific CD4(+) T cells predominantly expressed CD40L; CD40L and interleukin-2 (IL-2); CD40L and tumor necrosis factor alpha (TNF-?); CD40L, IL-2, and TNF-?; and CD40L, IL-2, TNF-?, and gamma interferon (IFN-?).
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49 |
21208909
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Antigen-specific CD4(+) T cells exhibited a polyfunctional phenotype, expressing at least CD40 ligand and interleukin 2, often in combination with tumor necrosis factor ? and/or interferon ?.
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50 |
20457264
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Polychromatic flow cytometry was used to examine CD4(+) T cells for levels of interferon (IFN)-?, tumor necrosis factor (TNF)-?, and CD154 (CD40 ligand) expression after stimulation with inactivated flu virus.
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51 |
20457264
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A lack of B cell reconstitution and dysfunctional CD4 T cell costimulation (as marked by low CD154 expression) is associated with low NAb levels postvaccination in HCT patients.
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52 |
18562053
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In addition, CD40L expressed from canarypox virus could significantly augment CD4+ T cell responses against HIV-1 in mice.
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53 |
21398691
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CD1d(+/+) and CD1d(+/-) mice were generated and immunized with antigen plus CD1d ligand before analysis of cytokine expression, CD40L expression, initial and longer term antibody responses and B-cell memory.
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54 |
19060369
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The immature DC could express CD80, CD83, CD86, HLA-DR, and HLA-ABC,but the mature DC induced by TNF-alpha, PGE-2, and CD40L further highly expressed above molecules.
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55 |
21538973
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We are investigating the strategy of using CD40 ligand (CD40L) as a targeting moiety because this protein has the potential to not only target DCs, but also stimulate cell maturation, leading to more potent immune responses.
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56 |
21538973
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The uptake appeared to be specifically mediated by CD40L binding to CD40 expressed on DCs.
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57 |
21538973
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These findings suggest that CD40 ligand may be a potentially useful targeting moiety for delivery of particulate vaccines to DCs, and that further optimization of both CD40L and the polymer carriers is necessary to achieve efficacy in vivo.
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58 |
21569810
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We compared the effects of yeast-treated human dendritic cells (DCs) with CD40L-matured human DCs for the induction of effector cells and the number and functionality of CD4(+)CD25(+)CD127(-)FoxP3(+) regulatory T cells (Tregs).
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59 |
21569810
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In addition, yeast-treated DCs used as antigen-presenting cells (APCs) incubated with the tumor antigen CEA enhanced the proliferation of CEA-specific CD4(+) T cells compared to the use of CD40L-matured DCs used as APCs.
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60 |
11043379
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CD40 and CD40 ligand (CD40L) have been implicated as important molecules for the transformation of nonactivated antigen-presenting cells (APC) into cells that are potent inducers of cytotoxic T lymphocyte (CTL) immunity.
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61 |
11043379
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The onset of a successful immune response lies within the control of the CD4+ T helper cells which, after specific antigen recognition, can up-regulate CD40L and subsequently activate APC through CD40 signaling.
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62 |
11043379
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Triggering of CD40 with antibodies in vivo can replace the need for CD40L-expressing CD4+ T helper cells for cross-priming of CTL.
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63 |
21689404
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In order to target SOSIP.R6-IZ to immune cells, including dendritic cells, while at the same time activating these cells, we fused SOSIP.R6-IZ to the active domain of CD40 ligand (CD40L), which may serve as a 'cis-adjuvant'.
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64 |
21689404
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The Env component of the SOSIP.R6-IZ-CD40L fusion construct bound to CD4 and neutralizing antibodies, while the CD40L moiety interacted with CD40.
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65 |
21746859
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CD40 ligand (CD40L) transduction of antigen-pulsed dendritic cells (DCs) can result in antigen-specific humoral immune responses even in CD4(+) T-cell-depleted settings.
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66 |
21746859
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Here, we show that CD40L transduction of DCs results in the induction of interleukin-12p40 (IL-12p40), IL-12p70, and IL-23.
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67 |
21747119
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DC activation also requires interaction of CD40 with its ligand CD40L to generate protective T-cell-mediated tumor immunity.
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68 |
21745159
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We found that higher expression of transgenic CD40L was mediated by adenoviral gene transfer than by plasmid transduction, and that adenoviral transfer of CD40L was associated with up-regulation of the co-stimulatory molecules CD80 and CD86 and adhesion molecule CD54.
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69 |
18419254
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CD40-L expression by infant and adult T cells stimulated with measles antigen was comparable, but fewer infant CD40-L(+) T cells expressed IFN-gamma.
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70 |
21742437
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CD40 and CD154 interaction is critically important in regulating humoral and cell-mediated immune responses.
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