tRNA-Derived Small RNA: A Novel Regulatory Small Non-Coding RNA.

tRNA-Derived Small RNA: A Novel Regulatory Small Non-Coding RNA.
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tRNA 衍生的小 RNA:一种新型的调节性小非编码 RNA

DOI:
10.3390/genes9050246
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发表时间:
2018-05-10
期刊:
影响因子:
3.5
通讯作者:
Sheng J
Sheng J
中科院分区:
生物学3区
文献类型:
--
作者:
Li S;Xu Z;Sheng J

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对下一代测序数据的深入分析揭示了许多具有不同功能的小非编码RNA。近年来,tRNA衍生的小RNA(transRNA-derived small RNA,tsRNA)引起了人们的广泛关注。主要有两种类型的tsRNA,包括tRNA衍生的胁迫诱导的RNA(tiRNA)和tRNA衍生的片段(tRF),它们在前体或成熟tRNA转录物的切割位置上不同。新的证据表明,tsRNA不仅是tRNA降解碎片,而且已被公认在许多特定的生理和病理过程中发挥调节作用。本文综述了各种tsRNA的生物学来源,介绍了tsRNA的功能和作用机制,重点介绍了tsRNA在人类疾病中的潜在应用,并提出了目前存在的问题和未来的研究方向。
Deep analysis of next-generation sequencing data unveils numerous small non-coding RNAs with distinct functions. Recently, fragments derived from tRNA, named as tRNA-derived small RNA (tsRNA), have attracted broad attention. There are mainly two types of tsRNAs, including tRNA-derived stress-induced RNA (tiRNA) and tRNA-derived fragment (tRF), which differ in the cleavage position of the precursor or mature tRNA transcript. Emerging evidence has shown that tsRNAs are not merely tRNA degradation debris but have been recognized to play regulatory roles in many specific physiological and pathological processes. In this review, we summarize the biogeneses of various tsRNAs, present the emerging concepts regarding functions and mechanisms of action of tsRNAs, highlight the potential application of tsRNAs in human diseases, and put forward the current problems and future research directions.
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发表时间: 2008-02
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