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PMID |
Sentence |
1 |
21824094
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Programmed death-1 (PD-1) is a negative immunoregulatory cell surface receptor molecule whose interaction with its ligands PD-L1 and PD-L2 downmodulates T-cell immune responses.
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2 |
11283156
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B7-DC fails to bind the B7.1/2 receptors CD28 and cytotoxic T lymphocyte-associated antigen (CTLA)-4, but does bind PD-1, a receptor for B7-H1/PD-L1.
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3 |
18450338
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We showed that alphaDC1 in this protocol induce lower up-regulation of CD83 and several other maturation markers, co-stimulatory molecules and CCR7 together with higher up-regulation of inhibitory molecules such as PD-L1, ILT2, ILT3 as compared to sDC.
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4 |
19607952
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Local upregulation of IFN-gamma, IL-6, Cxcl9, CCL2, TNF-alpha, CD274 as well as Toll-like receptor pathway transcripts MyD88, TLR2, TLR3 and TLR9 was observed.
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5 |
19726615
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In our studies, cryopreservation significantly reduced the expression of both PD-1 and PD-L1 on PBMC-derived CD3+/CD8+ T cells and CD45+/CD14+ monocytes obtained from adult control subjects.
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6 |
19726615
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Blockade of PD-1, PD-L1, and PD-L2 using both freshly isolated and cryopreserved PBMC led to higher levels of phytohemagglutinin (PHA) and Candida-induced gamma interferon (IFN-gamma), interleukin-2 (IL-2), and tumor necrosis factor alpha (TNF-alpha) with no effect on IL-10 production.
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7 |
20551512
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Interaction with PD-1 ligand 1 (PD-L1) contributes to functional exhaustion of responding T cells and may limit immunopathology during infection.
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8 |
20551512
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We found that PD-L1 expression on hematopoietic cells inhibited CD8+ T cell numbers and function after LCMV CL-13 infection.
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9 |
20551512
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Together, these data demonstrate that there are distinct roles for PD-L1 on hematopoietic and nonhematopoietic cells in regulating CD8+ T cell responses and viral clearance during chronic viral infection.
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10 |
20682852
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Here, we investigated whether knockdown of programmed death ligand 1 (PD-L1) and PD-L2 on monocyte-derived DCs results in improved T-cell activation.
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11 |
21047981
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We analyzed the expression of ligands for the CD28/CTLA-4 family receptors on antigen-presenting cells and found that the expression of PD-L1, a ligand for programmed cell death-1 (PD-1), was up-regulated later than 3 weeks of infection.
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12 |
19562472
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However, in cultures from six patients, there was only a modest enhancing effect of PD-L1 and PD-L2 silencing on CD8(+) T cell proliferative responses to the DCs.
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13 |
21240487
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These data demonstrate that abrogating PDL1:PD-1 interactions during the activation of iNKT cells amplifies an anti-tumor response when coupled with DC vaccination.
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14 |
21061197
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Programmed cell death-1 (PD-1) is a member of the CD28 superfamily that delivers negative signals upon interaction with its two ligands, PD-L1 or PD-L2.
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15 |
20194714
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In this study, in vitro blockade of PD-L1 interaction on DCs led to enhanced IFN-gamma production and cytotoxicity by Ag-specific T cells.
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16 |
21742975
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We tested the effect of combining PD ligand 1 (PD-L1) blockade with an agonistic regimen that induces 4-1BB costimulation during chronic LCMV infection.
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17 |
21907206
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The assay allows the rapid and reliable analysis of multiple parameters from micro-volumes of blood, including: parasitaemia, platelet count, reticulocyte count, normocyte count, white blood cell count and delineation of subsets and phenotypic markers including, but not limited to, CD4(+) and CD8(+) T cells, and the expression of phenotypic markers such as PD-L1 or intracellular cytokines.
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18 |
21952285
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Several new developments offer promise for improving peptide vaccines, including use of long peptides, optimization of adjuvants including toll-like receptor agonists, and combination with systemic therapies that may reduce tumor-associated immune dysfunction, such as blockade of PD-1/PD-L1 interactions.
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