Diverse targets of the transcription factor STAT3 contribute to T cell pathogenicity and homeostasis.
Diverse targets of the transcription factor STAT3 contribute to T cell pathogenicity and homeostasis.
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DOI:
10.1016/j.immuni.2010.05.003
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发表时间:
2010-05-28
期刊:
影响因子:
32.4
通讯作者:
O'Shea JJ
中科院分区:
文献类型:
--
作者:
Durant L;Watford WT;Ramos HL;Laurence A;Vahedi G;Wei L;Takahashi H;Sun HW;Kanno Y;Powrie F;O'Shea JJ
STAT3, an essential transcription factor with pleiotropic functions, plays critical roles in the pathogenesis of autoimmunity. Despite recent data linking STAT3 with inflammatory bowel disease, exactly how it contributes to chronic intestinal inflammation is not known. Using a T cell transfer model of colitis, we found that STAT3 expression in T cells was essential for the induction of both colitis and systemic inflammation. STAT3 was critical in modulating the balance of T helper 17 (Th17) and regulatory T (Treg) cells, as well as in promoting CD4+ T cell proliferation. We used chromatin immunoprecipitation and massive parallel sequencing (ChIP-Seq) to define the genome-wide targets of STAT3 in CD4+ T cells. We found that STAT3 bound to multiple genes involved in Th17 cell differentiation, cell activation, proliferation, and survival, regulating both expression and epigenetic modifications. Thus, STAT3 orchestrates multiple critical aspects of T cell function in inflammation and homeostasis.
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影响因子:
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作者:
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通讯作者:
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