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Differential expression of Ly6C and T-bet distinguish effector and memory Th1 CD4(+) cell properties during viral infection.


ABSTRACT: CD4(+) T cells differentiate into multiple effector types, but it is unclear how they form memory T cells during infection in vivo. Profiling virus-specific CD4(+) T cells revealed that effector cells with T helper 1 (Th1) or T follicular helper (Tfh) cell characteristics differentiated into memory cells, although expression of Tfh cell markers declined over time. In contrast to virus-specific effector CD8(+) T cells, increased IL-7R expression was not a reliable marker of CD4(+) memory precursor cells. However, decreased Ly6C and T-bet (Tbx21) expression distinguished a subset of Th1 cells that displayed greater longevity and proliferative responses to secondary infection. Moreover, the gene expression profile of Ly6C(lo)T-bet(int) Th1 effector cells was virtually identical to mature memory CD4(+) T cells, indicating early maturation of memory CD4(+) T cell features in this subset during acute viral infection. This study provides a framework for memory CD4(+) T cell development after acute viral infection.

SUBMITTER: Marshall HD 

PROVIDER: S-EPMC3444169 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Differential expression of Ly6C and T-bet distinguish effector and memory Th1 CD4(+) cell properties during viral infection.

Marshall Heather D HD   Chandele Anmol A   Jung Yong Woo YW   Meng Hailong H   Poholek Amanda C AC   Parish Ian A IA   Rutishauser Rachel R   Cui Weiguo W   Kleinstein Steven H SH   Craft Joe J   Kaech Susan M SM  

Immunity 20111020 4


CD4(+) T cells differentiate into multiple effector types, but it is unclear how they form memory T cells during infection in vivo. Profiling virus-specific CD4(+) T cells revealed that effector cells with T helper 1 (Th1) or T follicular helper (Tfh) cell characteristics differentiated into memory cells, although expression of Tfh cell markers declined over time. In contrast to virus-specific effector CD8(+) T cells, increased IL-7R expression was not a reliable marker of CD4(+) memory precurso  ...[more]

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