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PMID |
Sentence |
1 |
16860834
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Chronic infections in mice can result in defects in memory CD8 T cell properties including low expression of the IL-7Ralpha (CD127).
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2 |
16860834
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Compared to Flu, VV or EBV, HIV tetramer+ CD8 T cells expressed significantly lower levels of CD127, and this reduction was pervasive across all epitopes and alleles tested and over a wide range of viral loads and CD4 counts.
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3 |
16982855
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Our results show that in the absence of IL-7, IL-7Ralpha expression was extinguished on the majority of CD8 T cells responding to virus infection, sustained on a subset of effector cells transitioning to memory, and expressed at high levels by memory cells.
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4 |
16982855
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Thus, IL-7Ralpha regulation occurs independently of IL-7 in responding CD8 T cells, indicating that CD8 memory T cell precursors are not selected by IL-7/IL-7Ralpha interactions.
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5 |
16934309
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Importantly, the proportion of CD4(+) and CD8(+) T cells expressing IL-7R in blood paralleled that found in tissues.
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6 |
17704295
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The enhancement in the number of memory CD8 T cells in TNF-deficient (TNF-/-) mice was not associated with up-regulation of IL-7Ralpha or Bcl-2 in effector cells, which indicated that TNF might limit differentiation of memory cells from IL-7R(lo) effector cells.
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7 |
19383968
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This finding correlates with our observation that, upon recombinant lentivector immunization, a higher fraction of antigen-specific effector CD8+ T cells does not down-regulate the expression of the survival/memory marker interleukin-7 receptor alpha chain (IL-7Ralpha).
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8 |
20731035
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Compared to mice immunized with pcDS alone, CD44high and CD127(IL-7R) were all significantly up-regulated in memory CD8+ T cells from the mice immunized with pcDS combined CD137L both at a week and 12 weeks after immunization (P<0.05 and P<0.01).
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9 |
21084459
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The antigen-specific T cells exhibited the CD45RA(+) CCR7(+) precursor phenotype and the interleukin-7 receptor (CD127), which were different from the phenotype and receptor exhibited by the parental CD8(+) T-cell population.
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10 |
21257961
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The memory CD8(+) T cells also expressed high levels of CD27 and CD127, which are markers of long-term survival and maintenance of T cell memory.
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