How do lncRNAs regulate transcription?

How do lncRNAs regulate transcription?
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DOI:
10.1126/sciadv.aao2110
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发表时间:
2017-09
期刊:
影响因子:
13.6
通讯作者:
Cech TR
Cech TR
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Long Y;Wang X;Youmans DT;Cech TR

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真核基因组编码数千个长非编码 RNA,其中许多在转录调控中发挥作用。最近人们发现,RNA 本身就是转录产物,是转录过程的主要调节因子。特别是,真核生物中数量众多的长非编码 RNA (lncRNA) 在许多情况下充当转录调节因子。这些 RNA 通过与组蛋白修饰复合物、DNA 结合蛋白(包括转录因子)甚至 RNA 聚合酶 II 结合而发挥作用。在其他情况下,似乎是 lncRNA 转录行为而不是 lncRNA 产物具有调节作用。我们回顾了阐明 lncRNA 调节基因表达的分子机制的最新进展以及该研究领域的未来机会。
Eukaryotic genomes encode thousands of long noncoding RNAs, and many of these function in transcriptional regulation. It has recently become apparent that RNA, itself the product of transcription, is a major regulator of the transcriptional process. In particular, long noncoding RNAs (lncRNAs), which are so numerous in eukaryotes, function in many cases as transcriptional regulators. These RNAs function through binding to histone-modifying complexes, to DNA binding proteins (including transcription factors), and even to RNA polymerase II. In other cases, it is the act of lncRNA transcription rather than the lncRNA product that appears to be regulatory. We review recent progress in elucidating the molecular mechanisms by which lncRNAs modulate gene expression and future opportunities in this research field.
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