Epigenetic obstacles encountered by transcription factors: reprogramming against all odds.

Epigenetic obstacles encountered by transcription factors: reprogramming against all odds.
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DOI:
10.1016/j.gde.2012.08.002
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发表时间:
2012-10
影响因子:
4
通讯作者:
Meissner, Alexander
Meissner, Alexander
中科院分区:
生物学2区
文献类型:
--
作者:
Gifford, Casey A.;Meissner, Alexander

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通过Oct 4(Pou 5 f1)、Sox 2、Klf 4和c-Myc的异位表达,可以在体外实现体细胞核重编程为诱导多能状态。虽然这些因子在多能背景下调节转录的能力已被广泛研究,但它们与体细胞基因组相互作用和重塑体细胞基因组的能力仍有待探索。最近的几项研究已经开始提供机制的见解,最终将导致更合理的设计和更好的理解核重编程。
Reprogramming of a somatic nucleus to an induced pluripotent state can be achieved in vitro through ectopic expression of Oct4 (Pou5f1), Sox2, Klf4 and c-Myc. While the ability of these factors to regulate transcription in a pluripotent context has been studied extensively, their ability to interact with and remodel a somatic genome remains underexplored. Several recent studies have begun to provide mechanistic insights that will eventually lead to a more rational design and improved understanding of nuclear reprogramming.
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