Circular RNAs in cancer: an emerging key player.

Circular RNAs in cancer: an emerging key player.
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DOI:
10.1186/s13045-016-0370-2
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发表时间:
2017-01-03
影响因子:
28.5
通讯作者:
Duan C
Duan C
中科院分区:
医学1区
文献类型:
--
作者:
Dong Y;He D;Peng Z;Peng W;Shi W;Wang J;Li B;Zhang C;Duan C

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环状RNA(CircRNA)是一类广泛存在于哺乳动物细胞中形成共价闭合连续环的内源性RNA。大多数circRNA在物种间是保守的,并且通常显示组织/发育阶段特异性表达。CircRNA最初被认为是剪接错误的结果;然而,随后的研究表明,circRNA可以作为microRNA(miRNA)海绵并调节剪接和转录。新的证据表明,circRNA与人类疾病,特别是癌症密切相关,并可能成为更好的生物标志物。继miRNA和长链非编码RNA(longnoncodingRNA,lncRNA)之后,circRNA正成为肿瘤RNA研究的新热点。在这里,我们综述了circRNA的生物发生和代谢,它们的功能,以及在癌症中的潜在作用。
Circular RNAs (circRNAs) are a class of endogendous RNAs that form a covalently closed continuous loop and exist extensively in mammalian cells. Majority of circRNAs are conserved across species and often show tissue/developmental stage-specific expression. CircRNAs were first thought to be the result of splicing error; however, subsequent research shows that circRNAs can function as microRNA (miRNA) sponges and regulate splicing and transcription. Emerging evidence shows that circRNAs possess closely associated with human diseases, especially cancers, and may serve as better biomarkers. After miRNA and long noncoding RNA (lncRNA), circRNAs are becoming a new hotspot in the field of RNA of cancer. Here, we review biogenesis and metabolism of circRNAs, their functions, and potential roles in cancer.
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