Detecting and characterizing circular RNAs.

Detecting and characterizing circular RNAs.
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DOI:
10.1038/nbt.2890
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发表时间:
2014-05
影响因子:
46.9
通讯作者:
Sharpless, Norman E.
Sharpless, Norman E.
中科院分区:
工程技术1区
文献类型:
--
作者:
Jeck, William R.;Sharpless, Norman E.

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环状RNA转录本最早于20世纪90年代初被发现,但由于传统的RNA分析方法难以对其进行研究,因此对这些物种的了解仍然有限。现在,新的生物信息学方法与生化富集策略和深度测序相结合,使得对环状RNA物种的全面研究成为可能。最近的研究揭示了哺乳动物细胞中数千种内源性环状rna (circRNAs),其中一些非常丰富且具有进化保守性。越来越多的证据表明,一些环状rna可能调节microRNA (miRNA)的功能,并且在转录控制中的作用也被提出。因此,对这类非编码rna的研究对治疗和研究应用具有潜在的意义。我们认为,该领域未来的关键挑战将是了解这些不寻常分子的调控和功能。
Circular RNA transcripts were first identified in the early 1990s but knowledge of these species has remained limited, as their study has been difficult through traditional methods of RNA analysis. Now, novel bioinformatic approaches coupled with biochemical enrichment strategies and deep sequencing have allowed comprehensive studies of circular RNA species. Recent studies have revealed thousands of endogenous circular RNAs (circRNAs) in mammalian cells, some of which are highly abundant and evolutionarily conserved. Evidence is emerging that some circRNAs might regulate microRNA (miRNA) function, and roles in transcriptional control have also been suggested. Therefore, study of this class of non-coding RNAs has potential implications for therapeutic and research applications. We believe the key future challenge to the field will be to understand the regulation and function of these unusual molecules.
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