RARγ is required for correct deposition and removal of Suz12 and H2A.Z in embryonic stem cells.

RARγ is required for correct deposition and removal of Suz12 and H2A.Z in embryonic stem cells.
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DOI:
10.1002/jcp.22420
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发表时间:
2011-02
影响因子:
5.6
通讯作者:
Gudas, Lorraine J.
Gudas, Lorraine J.
中科院分区:
生物学2区
文献类型:
--
作者:
Amat, Ramon;Gudas, Lorraine J.

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维甲酸(RA)诱导胚胎干细胞分化。RA的作用是由维甲酸受体(RAR)介导的,其促进控制基因转录的表观遗传变化。我们发现,在没有配体RA的情况下,RARγ是组蛋白变体H2A.Z和Polycomb蛋白Suz12在RA靶基因上沉积所必需的,并且RARγ和Suz12在没有配体的情况下都存在于多蛋白复合物中。当RARγ靶基因被转录激活时,RA的加入导致H2A.Z和Suz12从RARγ靶基因中去除。
Retinoic acid (RA) induces embryonic stem cell differentiation. The effects of RA are mediated by retinoic acid receptors (RARs) that promote epigenetic changes controlling gene transcription. We show here that RARγ, in the absence of the ligand RA, is required for deposition of the histone variant H2A.Z and the Polycomb protein Suz12 at RA target genes, and that both RARγ and Suz12 exist in a multi-protein complex in the absence of ligand. Addition of RA causes removal of H2A.Z and Suz12 from RARγ target genes when the genes are transcriptionally activated.
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