TH17 cell differentiation is regulated by the circadian clock.
TH17 cell differentiation is regulated by the circadian clock.
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Th17细胞分化受昼夜节律调节。
DOI:
10.1126/science.1243884
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发表时间:
2013-11-08
期刊:
影响因子:
--
通讯作者:
Hooper LV
中科院分区:
文献类型:
--
作者:
Yu X;Rollins D;Ruhn KA;Stubblefield JJ;Green CB;Kashiwada M;Rothman PB;Takahashi JS;Hooper LV
Circadian clocks regulate numerous physiological processes that vary across the day-night (diurnal) cycle, but if and how the circadian clock regulates the adaptive immune system is mostly unclear. Interleukin-17-producing CD4+ T helper (Th17) cells are proinflammatory immune cells that protect against bacterial and fungal infections at mucosal surfaces. Their lineage specification is regulated by the orphan nuclear receptor RORγt. We show that the transcription factor NFIL3 suppresses Th17 cell development by directly binding and repressing the Rorγt promoter. NFIL3 links Th17 cell development to the circadian clock network through the transcription factor REV-ERBα. Accordingly Th17 lineage specification varies diurnally and is altered in Rev-erbα−/− mice. Light cycle disruption elevated intestinal Th17 cell frequencies and increased susceptibility to inflammatory disease. Thus, lineage specification of a key immune cell is under direct circadian control.
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