Increased level of E protein activity during invariant NKT development promotes differentiation of invariant NKT2 and invariant NKT17 subsets.

Increased level of E protein activity during invariant NKT development promotes differentiation of invariant NKT2 and invariant NKT17 subsets.
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DOI:
10.4049/jimmunol.1301546
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发表时间:
2013-11-15
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Alberola-Ila J
Alberola-Ila J
中科院分区:
其他
文献类型:
--
作者:
Hu T;Wang H;Simmons A;Bajaña S;Zhao Y;Kovats S;Sun XH;Alberola-Ila J

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E蛋白转录因子及其天然抑制剂Id蛋白在淋巴发育过程中起着关键而复杂的作用。在这里,我们报告说,在积极的选择过程中的E蛋白活性的部分维护的结果在细胞命运的发展iNKT细胞的决定的变化,与在iNKT 1细胞的发展块,并在iNKT 2和iNKT 17子集的平行增加。由于驱动这些替代功能命运的转录因子(加塔-3、RORγT、T-bet和Runx-3)的表达水平没有改变,我们的研究结果表明,E蛋白活性控制着一个新的检查点,该检查点调节选择每种命运的iNKT前体的数量。
E protein transcription factors, and their natural inhibitors, Id proteins, play critical and complex roles during lymphoid development. Here we report that partial maintenance of E protein activity during positive selection results in a change in the cell fate determination of developing iNKT cells, with a block in the development of iNKT1 cells, and a parallel increase in the iNKT2 and iNKT17 subsets. Since the expression levels of the transcription factors that drive these alternative functional fates (GATA-3, RORγT, T-bet and Runx-3) are not altered, our results suggest that E protein activity controls a novel checkpoint that regulates the number of iNKT precursors that choose each fate.
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