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PMID |
Sentence |
1 |
2786647
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The results indicate that the FcRIII receptor on human macrophages and possibly another Fc receptor on human CD4+ lymphocytes mediate antibody-dependent enhancement of HIV infectivity and that this phenomenon proceeds through a mechanism independent of the CD4 protein.
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2 |
7930727
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Fc gamma receptor IIa (CD32) heterogeneity in patients with recurrent bacterial respiratory tract infections.
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3 |
7930727
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Fc gamma RIIa (CD32) is the sole IgG Fc receptor capable of interaction with human IgG2, the main IgG subclass of bacterial capsular polysaccharides.
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4 |
7930727
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The capacity of polymorphonuclear leukocytes (PMNL) homozygous for Fc gamma RIIa-H/H131 for IgG2 opsonized bacteria is significantly higher than phagocytosis by PMNL homozygous for Fc gamma RIIa-R/R131, independent of the Fc gamma RIIb-NA1/NA2 (CD16) allelic polymorphism.
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5 |
8517015
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Each Mab, complexed to NS1, bound to macrophage Fc receptor (FcR) but only the IgG2a and IgG2b Mabs sensitized YF-infected cells to complement-mediated cytolysis.
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6 |
8567952
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Antigen presentation by human monocytes was recently found to be enhanced in vitro through the high-affinity Fc receptor for IgG (Fc gamma RI; CD64), which is exclusively present on myeloid cells.
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7 |
8567952
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As in humans, expression was properly regulated by the cytokines IFN-gamma, G-CSF, IL-4, and IL-10, and was up-regulated during inflammation.
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8 |
8903576
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Alternatively, HIV may infect enterocytes via Fc-receptor by antibody-bound HIV or via a CD4 independent receptor.
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9 |
9435859
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We have previously demonstrated enhanced presentation of antigenic and antagonistic peptides by targeting them to the type I Fc receptor for IgG (Fc gamma RI, CD64) on human monocytes.
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10 |
9739060
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Immunity to the brown locus protein, gp75/ tyrosinase-related protein-1, was investigated in a syngeneic mouse model.
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11 |
9739060
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Rejection of tumor challenge required CD4(+) and NK1.1(+) cells and Fc receptor gamma-chain, but depigmentation did not require these components.
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12 |
12093890
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Here we show that targeting of antigen to Fc receptors on DCs accomplishes combined activation of Th1 CD4 and CD8 effector responses in vivo, namely delayed-type hypersensitivity and tumor immunity.
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13 |
12093890
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Tumor protection was eliminated when immune complex-loaded DCs lacked beta(2) microglobulin, TAP, or MHC class II, demonstrating that Fc receptor-targeted antigenic uptake led to both MHC class I- and class II-restricted responses, which together are required for effector tumor immunity.
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14 |
12392768
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Concern over the amyloid vaccine: amyloid heterogeneity and Fc receptor signaling.
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15 |
12850341
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Transfer across the syncytiotrophoblast of the chorionic villi is mediated by the neonatal Fc receptor, FcRn.
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16 |
15888731
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RT-PCR showed that Fcgrt (neonatal Fc receptor, also known as FcRn) is expressed in the reproductive ducts, where IgG is probably transported across epithelium, being particularly strong in the ductuli efferentes (where most IgG was reabsorbed) and distal caput epididymidis.
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17 |
16155029
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New antibodies targeting CD20 with augmented complement or Fc receptor binding are now being evaluated and will eventually have to be compared with rituximab.
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18 |
16155029
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New antibodies targeting antigens such as CD40 and CD80 are also being tested alone and in combination with rituximab.
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19 |
16155029
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These approaches attempt to actively induce specific humoral or cellular immune responses to the Ig-Id by attaching the protein to a carrier protein and the use of an immunologic adjuvant such as granulocyte macrophage colony-stimulating factor.
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20 |
17878945
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However, experimental evidence suggests that other host receptors, such as hyaluronic acid (HA) and the neonatal Fc receptor, may also support placental binding.
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21 |
18094180
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Treatment of cells with antibody to Fc receptor I (FcRI) or FcRII, but not FcRIII, also led to an inhibition of pseudotype titer enhancement in an additive manner.
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22 |
19047169
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Improved tumor immunity using anti-tyrosinase related protein-1 monoclonal antibody combined with DNA vaccines in murine melanoma.
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23 |
19047169
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Passive immunization with monoclonal antibody TA99 targeting melanoma differentiation antigen tyrosinase-related protein-1 (Tyrp1; gp75) and active immunization with plasmid DNA encoding altered Tyrp1 both mediate tumor immunity in the B16 murine melanoma model.
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24 |
19047169
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TA99 is shown to increase induction of anti-Tyrp1 CD8+T-cell responses to DNA vaccination against Tyrp1 as assessed by IFN-gamma ELISPOT assays.
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25 |
19047169
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Furthermore, TA99 enhances DNA vaccination against a distinct melanoma antigen, gp100(pmel17/silver locus), improving antitumor efficacy, augmenting systemic CD8+ T-cell responses to gp100, and increasing CD8+ T-cell infiltration at the tumor site.
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26 |
19047169
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Epitope spreading was observed, with CD8+ T-cell responses generated to Tyrp1 peptide in mice receiving gp100 DNA vaccination in the presence of TA99.
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27 |
19047169
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In conclusion, TA99 enhances DNA vaccination against both the target antigen Tyrp1 and a distinct melanoma antigen gp100 in an Fc receptor-dependent mechanism, consistent with enhanced cross-presentation of tumor-derived antigen.
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28 |
19139169
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APC activation by TDB and TDM was independent of the C-type lectin receptor Dectin-1, but required the immunoreceptor tyrosine-based activation motif-bearing adaptor protein Fc receptor gamma chain (FcRgamma).
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29 |
21240266
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Efficient mucosal vaccination mediated by the neonatal Fc receptor.
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30 |
21240266
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The neonatal Fc receptor (FcRn) mediates the transport of IgG across polarized epithelial cells lining mucosal surfaces.
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31 |
21240266
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Efficient mucosal vaccination mediated by the neonatal Fc receptor.
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32 |
21240266
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The neonatal Fc receptor (FcRn) mediates the transport of IgG across polarized epithelial cells lining mucosal surfaces.
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33 |
21849464
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A neonatal Fc receptor-targeted mucosal vaccine strategy effectively induces HIV-1 antigen-specific immunity to genital infection.
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34 |
21849464
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Given the role of neonatal Fc receptor (FcRn) in transferring IgG across polarized epithelial cells which line mucosal surfaces, FcRn might be useful for delivering HIV vaccine antigens across mucosal epithelial barriers to the underlying antigen-presenting cells.
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35 |
21849464
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A neonatal Fc receptor-targeted mucosal vaccine strategy effectively induces HIV-1 antigen-specific immunity to genital infection.
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36 |
21849464
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Given the role of neonatal Fc receptor (FcRn) in transferring IgG across polarized epithelial cells which line mucosal surfaces, FcRn might be useful for delivering HIV vaccine antigens across mucosal epithelial barriers to the underlying antigen-presenting cells.
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37 |
22504640
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We engineered a lentivector (lv) to express a nominal fusion Ag composed of hepatitis B surface protein and IgG2a Fc fragment (HBS-Fc-lv) to increase the magnitude of CD8 response but, more importantly, to induce effective coactivation of CD4 T cells.
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38 |
22504640
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Immunologic analysis revealed that, compared with HBS-lv without Fc fragment, immunization with HBS-Fc-lv markedly increased the number of functional CD8 and CD4 T cells and the level of Th1/Tc1-like cytokines in the tumor while substantially decreasing the regulatory T cell ratio.
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39 |
22504640
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The favorable immunologic changes in tumor lesions and the improvement of antitumor effects from HBS-Fc-lv immunization were dependent on the CD4 activation, which was Fc receptor mediated.
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40 |
22504640
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Adoptive transfer of CD4 T cells from the HBS-Fc-lv-immunized mice could activate endogenous CD8 T cells in an IFN-γ-dependent manner.
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41 |
22580109
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Utilization of different ligands such as mannose, Fc receptor, CD11c/CD 18, DEC-205 and DC-SIGN on DC for active targeting is reviewed.
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42 |
22984589
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We demonstrate that i) C-terminal fusion of an oligomerization domain can enhance the quantity of antigen-specific CD4(+) and CD8(+) T cell responses induced in mice after only a single immunization of recombinant AdHu5, and that the T cells maintain similar functional cytokine profiles; ii) an adjuvant effect is observed for AdHu5 vectors expressing either the 42 kDa C-terminal domain of Plasmodium yoelii merozoite surface protein 1 (PyMSP1(42)) or the 83 kDa ectodomain of P. falciparum strain 3D7 apical membrane antigen 1 (PfAMA1), but not a candidate 128kDa P. falciparum MSP1 biallelic fusion antigen; iii) following two homologous immunizations of AdHu5 vaccines, antigen-specific T cell responses are further enhanced, however, in both BALB/c mice and New Zealand White rabbits no enhancement of functional antibody responses is observed; and iv) that the T cell adjuvant activity of C4 bp is not dependent on a functional Fc-receptor γ-chain in the host, but is associated with the oligomerization of small (<80 kDa) antigens expressed by recombinant AdHu5.
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43 |
23595505
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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.
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44 |
23595505
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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).
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45 |
23595505
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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.
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46 |
24205913
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The most consistent classifier of active disease was FCGR1A (high-affinity IgG Fc receptor 1 (CD64)), which was the only marker expressed at significantly higher levels in participants with active TB than in those with LTBI before treatment regardless of HIV status or genetic background.
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47 |
24745789
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When compared to small molecules (SMs), they have different physicochemical properties and demonstrate unique and complex pharmacokinetic (PK) characteristics that are dependent on several factors such as net charge, neonatal Fc receptor [FcRn], Fcγ receptor [FcγR], glycosylation, PEGylation or aggregation.
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48 |
25116108
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Fc gamma Receptor (FcγR) IIB (CD32B) is an immunoreceptor tyrosine inhibitory motif (ITIM)-bearing Fc receptor that is involved in abrogating the signalling and function delivered from other receptors; archetypally those arising from other, activatory, FcγR and from the B cell receptor (BCR) for antigen.
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49 |
25119033
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Enhanced neonatal Fc receptor function improves protection against primate SHIV infection.
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50 |
25119033
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The localization and persistence of antibodies at these sites is influenced by the neonatal Fc receptor (FcRn), whose role in protecting against infection in vivo has not been defined.
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51 |
25119033
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A bnAb directed to the CD4-binding site of the HIV-1 envelope (Env) protein (denoted VRC01) was modified by site-directed mutagenesis to increase its binding affinity for FcRn.
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52 |
25119033
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Enhanced neonatal Fc receptor function improves protection against primate SHIV infection.
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53 |
25119033
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The localization and persistence of antibodies at these sites is influenced by the neonatal Fc receptor (FcRn), whose role in protecting against infection in vivo has not been defined.
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54 |
25119033
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A bnAb directed to the CD4-binding site of the HIV-1 envelope (Env) protein (denoted VRC01) was modified by site-directed mutagenesis to increase its binding affinity for FcRn.
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55 |
25703189
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The neonatal Fc receptor, FcRn, as a target for drug delivery and therapy.
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56 |
25703189
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This arises from IgG interaction with the neonatal Fc receptor, FcRn.
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57 |
25703189
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FcRn is the central regulator of IgG and albumin homeostasis throughout life and is increasingly being recognized as an important player in autoimmune disease, mucosal immunity, and tumor immune surveillance.
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58 |
25703189
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The neonatal Fc receptor, FcRn, as a target for drug delivery and therapy.
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59 |
25703189
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This arises from IgG interaction with the neonatal Fc receptor, FcRn.
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60 |
25703189
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FcRn is the central regulator of IgG and albumin homeostasis throughout life and is increasingly being recognized as an important player in autoimmune disease, mucosal immunity, and tumor immune surveillance.
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61 |
25756612
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Passive transfer of immune serum completely protected wild-type, but not Fcγ-receptor or neonatal Fc-receptor knock-out mice.
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62 |
25912958
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Finally, we show that this biosynthetic nanoparticle can be engineered to enhance interactions with the human neonatal Fc receptor (FcRn) without loss of the oligomeric structure, a crucial modification for these molecules in therapy and/or vaccine strategies where a long plasma half-life is critical.
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