Evolving insights into RNA modifications and their functional diversity in the brain.

Evolving insights into RNA modifications and their functional diversity in the brain.
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DOI:
10.1038/nn.4378
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发表时间:
2016-09-27
影响因子:
25
通讯作者:
Bredy, Timothy W.
Bredy, Timothy W.
中科院分区:
医学1区
文献类型:
--
作者:
Nainar, Sarah;Marshall, Paul R.;Tyler, Christina R.;Spitale, Robert C.;Bredy, Timothy W.

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在这个观点中,我们扩展了RNA在大脑中的时间调节的概念,并提出RNA的定性性质及其代谢,以及RNA丰度,对于经验依赖可塑性的分子机制至关重要。我们讨论了新兴的表观转录组学领域的新兴概念,这些概念被预测与认知功能密切相关。这些包括活性诱导的RNA修饰、RNA编辑、RNA二级结构的动态变化和RNA定位。每一种都强调其在调节蛋白质编码基因和各种非编码调节rna的功能中的作用,以及每种基因如何影响学习和记忆。
In this Perspective, we expand the notion of temporal regulation of RNA in the brain and propose that the qualitative nature of RNA and its metabolism, together with RNA abundance, are essential for the molecular mechanisms underlying experience-dependent plasticity. We discuss emerging concepts in the newly burgeoning field of epitranscriptomics, which are predicted to be heavily involved in cognitive function. These include activity-induced RNA modifications, RNA editing, dynamic changes in the secondary structure of RNA, and RNA localization. Each is described with an emphasis on its role in regulating the function of both protein-coding genes, as well as various noncoding regulatory RNAs, and how each might influence learning and memory.
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