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PMID |
Sentence |
1 |
16424205
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Low concentrations of IL-21 (10 ng/ml) failed to reverse the inhibitory activity of CD4+CD25+ cells in an allogeneic MLR, whereas 60 ng/ml rIL-21 partially restored responder T cell proliferation.
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2 |
17000687
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We found that (a) cytokine DNAs generally increased CD8+ T-cell responses against gp100; (b) ligation to Fc domains further enhanced T-cell responses; (c) adjuvant effects were sensitive to timing of DNA injection; (d) the most efficacious individual adjuvants for improving tumor-free survival were IL-12/Ig, IL-15/Ig, IL-21/Ig, GM-CSF/Ig, and CCL21; and (e) combinations of IL-2/Ig+IL-12/Ig, IL-2/Ig+IL-15/Ig, IL-12/Ig+IL-15/Ig, and IL-12/Ig+IL-21/Ig were most active; and (f) increased adjuvanticity of cytokine/Ig fusion DNAs was not related to higher tissue levels or greater stability.
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3 |
17707061
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IL-21 secreting RenCa could be rejected in syngeneic mice by the activation of CD8 T cells and natural killer cells.
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4 |
20039320
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IL-21 is a member of the IL-2 cytokine family, produced by CD4+ T cells.
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5 |
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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6 |
20977918
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The administration of IL-21 upregulated cytotoxic effector function and the expression of the costimulatory molecule CD28.
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7 |
21257966
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We next demonstrated that this intrinsic IL-21 signaling was essential for the survival of activated CD8 T cells and the generation of long-lived memory cells.
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8 |
21257966
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We further revealed that IL-21 promoted CD8 T cell survival in a mechanism dependent on activation of the STAT1 and STAT3 pathways and subsequent upregulation of the prosurvival molecules Bcl-2 and Bcl-x(L).
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9 |
21257966
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These results identify a critical role for intrinsic IL-21 signaling in CD8 T cell responses to an acute viral infection in vivo and may help design effective vaccine strategies.
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10 |
21382487
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PBMC were stimulated polyclonally using CD40 Ligand, IL-21 and CpG to induce B cell proliferation and differentiation into antibody secreting cells (ASCs).
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11 |
21502921
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Secretion of the cytokine IL-21, by HIV-specific CD4 T cells, is associated with disease control and enhances the capacity of HIV-specific CD8 T cells to suppress viral replication.
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12 |
18670213
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IL-15 upregulated perforin expression primarily in CD56 NK cells, whereas IL-21 upregulated perforin in both NK subsets.
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13 |
18670213
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IL-21 and IL-15 upregulated CD107a and IFN-gamma, as well as NK cytotoxicity.
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14 |
18670213
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IL-15 predominantly activated STAT5, whereas IL-21 activated STAT5 and STAT3.
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15 |
18606647
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Treatment with Salmonella-CFA/I(IC) greatly reduced clinical disease, similarly as Salmonella-CFA/I, by subduing IL-17 and IL-21; however, mechanisms of protection differed as evident by increased IL-13 and IFN-gamma but diminished TGF-beta production by T(reg) cells from Salmonella-CFA/I(IC)-treated mice.
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16 |
19144318
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In the presence of IL-21, TGFbeta1 promoted naive B cell proliferation and differentiation and overrode IL-21-induced IgG class switching in favor of IgA.
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