Functional Classification and Experimental Dissection of Long Noncoding RNAs.

Functional Classification and Experimental Dissection of Long Noncoding RNAs.
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DOI:
10.1016/j.cell.2018.01.011
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发表时间:
2018-01-25
期刊:
影响因子:
64.5
通讯作者:
Mendell JT
Mendell JT
中科院分区:
生物学1区
文献类型:
--
作者:
Kopp F;Mendell JT

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在过去的十年中,越来越多的研究表明,许多物种的基因组普遍转录,导致大量长链非编码rna (lncRNAs)的产生。同时,人们也认识到许多类型的DNA调控元件,如增强子和启动子,有规律地启动双向转录。因此,从庞大的转录组中识别功能性非编码转录本是lncRNA领域的首要任务和挑战。在这篇综述中,我们旨在为分类和阐明lncRNA的功能提供一个概念和实验框架。我们将lncRNA基因座分为顺式调节基因表达的基因座和反式发挥功能的基因座,并提出了一种基于这些分类来解剖lncRNA活性的实验方法。这些进一步了解lncrna的策略有望揭示新的和意想不到的生物学,具有促进我们对正常生理和疾病的理解的巨大潜力。
Over the last decade, it has been increasingly demonstrated that the genomes of many species are pervasively transcribed, resulting in the production of numerous long noncoding RNAs (lncRNAs). At the same time, it is now appreciated that many types of DNA regulatory elements, such as enhancers and promoters, regularly initiate bidirectional transcription. Thus, discerning functional noncoding transcripts from a vast transcriptome is a paramount priority, and challenge, for the lncRNA field. In this review, we aim to provide a conceptual and experimental framework for classifying and elucidating lncRNA function. We categorize lncRNA loci into those that regulate gene expression in cis versus those that perform functions in trans, and propose an experimental approach to dissect lncRNA activity based on these classifications. These strategies to further understand lncRNAs promise to reveal new and unanticipated biology, with great potential to advance our understanding of normal physiology and disease.
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