Transcriptional regulation of neuronal differentiation: the epigenetic layer of complexity.

Transcriptional regulation of neuronal differentiation: the epigenetic layer of complexity.
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DOI:
10.1016/j.bbagrm.2008.07.006
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发表时间:
2008-08
影响因子:
4.7
通讯作者:
Sun, Yi E.
Sun, Yi E.
中科院分区:
生物学2区
文献类型:
--
作者:
Hamby, Mary E.;Coskun, Volkan;Sun, Yi E.

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在神经发生过程中,神经祖细胞的转录程序是动态变化的,这一过程受到内外因素的共同调节。虽然神经元分化所需的许多转录因子早已被确定,但我们只是处于了解表观遗传机制如何影响转录活性以及转录因子结合共识顺式元件的可及性的边缘。在这里,我们描述了主要的表观遗传修饰和负责这些改变的机制。此外,我们回顾了目前已知的参与维持神经祖细胞状态和调节神经元分化的表观遗传修饰。
The transcriptional programs of neural progenitor cells change dynamically during neurogenesis, a process regulated by both intrinsic and extrinsic factors. Although many of the transcription factors required for neuronal differentiation have long been identified, we are only at the brink of understanding how epigenetic mechanisms influence transcriptional activity and the accessibility of transcription factors to bind consensus cis-elements. Herein, we delineate the chief epigenetic modifications and the machinery responsible for these alterations. Further, we review the epigenetic modifications presently known to participate in the maintenance of the neural progenitor cell state and in the regulation of neuronal differentiation.
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