Beyond proteome diversity: alternative splicing as a regulator of neuronal transcript dynamics.

Beyond proteome diversity: alternative splicing as a regulator of neuronal transcript dynamics.
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DOI:
10.1016/j.conb.2017.05.012
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发表时间:
2017-08
影响因子:
5.7
通讯作者:
Scheiffele P
Scheiffele P
中科院分区:
医学2区
文献类型:
--
作者:
Mauger O;Scheiffele P

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大脑的发育和功能受到严格控制的基因表达程序的控制。神经元中的转录谱具有高度的发育阶段和神经元细胞类型的特异性,并且可以在神经元刺激下发生快速变化。要实现这种微调调节,需要专门的分子机制。除了转录程序外,转录后过程和特别是选择性剪接对神经元基因表达的精细化起到了重要作用。虽然选择性剪接主要被认为是扩大蛋白质组多样性的一种手段,但它最近也成为转录水平和动态的主要调节因素。在这篇综述中,我们将描述一些控制神经元转录的主要替代剪接连接机制,并讨论它们对中枢神经系统的影响。
Brain development and function are governed by tightly controlled gene expression programs. Transcriptional repertoires in neurons are highly specific to developmental stage, neuronal cell type and can undergo rapid changes upon neuronal stimulation. Dedicated molecular mechanisms are required to achieve such fine-tuned regulation. In addition to transcriptional programs, post-transcriptional processes and notably alternative splicing substantially contribute to the elaboration of neuronal gene expression. While alternative splicing has been viewed primarily as a means for expanding proteome diversity, it recently emerged to also be major regulator of transcript levels and dynamics. In this review we will describe some of the principal alternative splicing-linked mechanisms that control neuronal transcriptomes and discuss their implications on the central nervous system.
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