Parallel gateways to pluripotency: open chromatin in stem cells and development.

Parallel gateways to pluripotency: open chromatin in stem cells and development.
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DOI:
10.1016/j.gde.2010.06.002
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发表时间:
2010-10
影响因子:
4
通讯作者:
Ramalho-Santos, Miguel
Ramalho-Santos, Miguel
中科院分区:
生物学2区
文献类型:
--
作者:
Koh, Fong Ming;Sachs, Michael;Guzman-Ayala, Marcela;Ramalho-Santos, Miguel

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开放染色质是多能干细胞的标志,但其潜在的分子机制才刚刚开始被揭开。在这篇综述中,我们强调了最近的研究,采用胚胎干细胞和诱导多能干细胞研究开放的染色质的调控及其在体外多能性的维持和获得的作用。我们认为,在体外研究中使用多能干细胞的结果是预测在体内过程中的表观遗传调控的多能性,特别是在受精卵和原始生殖细胞的发展。体外和体内方法的结合有望提供对多能性和重编程的表观遗传调控的全面理解。
Open chromatin is a hallmark of pluripotent stem cells, but the underlying molecular mechanisms are only beginning to be unraveled. In this review we highlight recent studies that employ embryonic stem cells and induced pluripotent stem cells to investigate the regulation of open chromatin and its role in the maintenance and acquisition of pluripotency in vitro. We suggest that findings from in vitro studies using pluripotent stem cells are predictive of in vivo processes of epigenetic regulation of pluripotency, specifically in the development of the zygote and primordial germ cells. The combination of in vitro and in vivo approaches is expected to provide a comprehensive understanding of the epigenetic regulation of pluripotency and reprogramming.
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