The DNA-binding inhibitor Id3 regulates IL-9 production in CD4(+) T cells.

The DNA-binding inhibitor Id3 regulates IL-9 production in CD4(+) T cells.
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DOI:
10.1038/ni.3252
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发表时间:
2015-10
期刊:
影响因子:
30.5
通讯作者:
Chen W
Chen W
中科院分区:
医学1区
文献类型:
--
作者:
Nakatsukasa H;Zhang D;Maruyama T;Chen H;Cui K;Ishikawa M;Deng L;Zanvit P;Tu E;Jin W;Abbatiello B;Goldberg N;Chen Q;Sun L;Zhao K;Chen W

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TGF-β和白细胞介素4(IL-4)信号传导控制产生IL-9的CD 4 + T(TH 9)细胞分化的分子机制仍不完全清楚。我们在这里表明,DNA结合抑制剂Id 3调节Th 9细胞分化,因为Id 3的缺失增加了CD 4 + T细胞的IL-9产生。TGF-β1和IL-4下调Id 3表达的机制需要激酶TAK 1。Id 3表达的降低增强了转录因子E2 A和加塔-3在IL 9启动子区的结合,从而促进IL 9基因的转录。重要的是,Id 3对TH 9细胞分化的控制调节了体内实验性黑素瘤荷瘤模型中的抗肿瘤免疫,并且还调节了体外人CD 4 + T细胞中的抗肿瘤免疫。因此,这项研究揭示了一个以前未被认识的TAK 1-Id 3-E2 A-GATA-3途径,调节TH 9细胞分化。
The molecular mechanisms by which TGF-β and interleukin 4 (IL-4) signaling control the differentiation of IL-9-producing CD4+ T (TH9) cells remain incompletely understood. We show here that the DNA-binding inhibitor Id3 regulated Th9 cell differentiation, as deletion of Id3 increased IL-9 production from CD4+ T cells. Mechanistically, TGF-β1 and IL-4 down-regulated Id3 expression and this process required the kinase TAK1. Reduction of Id3 expression enhanced the binding of the transcription factors E2A and GATA-3 in the Il9 promoter region, which promoted Il9 gene transcription. Importantly, Id3 control of TH9 cells differentiation regulated anti-tumor immunity in an experimental melanoma-bearing model in vivo, and also in human CD4+ T cells in vitro. Thus, this study reveals a previously unrecognized TAK1-Id3-E2A-GATA-3 pathway that regulates TH9 cell differentiation.
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