The histone acetyltransferase MOF is a key regulator of the embryonic stem cell core transcriptional network.
The histone acetyltransferase MOF is a key regulator of the embryonic stem cell core transcriptional network.
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DOI:
10.1016/j.stem.2012.04.023
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发表时间:
2012-08-03
期刊:
影响因子:
23.9
通讯作者:
Dou, Yali
中科院分区:
文献类型:
--
作者:
Li, Xiangzhi;Li, Li;Pandey, Ruchi;Byun, Jung S.;Gardner, Kevin;Qin, Zhaohui;Dou, Yali
Pluripotent embryonic stem cells (ESCs) maintain self-renewal and the potential for rapid response to differentiation cues. Both ESC features are subject to epigenetic regulation. Here we show that histone acetyltransferase Mof plays an essential role in the maintenance of ESC self-renewal and pluripotency. ESCs with Mof deletion lose characteristic morphology, alkaline phosphatase (AP) staining and differentiation potential. They also have aberrant expression of core transcription factors Nanog, Oct4 and Sox2. Importantly, the phenotypes of Mof null ESCs can be partially suppressed by Nanog overexpression, supporting that Mof functions as an upstream regulator of Nanog in ESCs. Genome-wide ChIP sequencing and transcriptome analyses further demonstrate that Mof is an integral component of ESC core transcription network and Mof primes genes for diverse developmental programs. Mof is also required for Wdr5 recruitment and H3 K4 methylation at key regulatory loci, highlighting complexity and interconnectivity of various chromatin regulators in ESCs.
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