The role of dicer in DNA damage repair.

The role of dicer in DNA damage repair.
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Dicer 在 DNA 损伤修复中的作用

DOI:
10.3390/ijms131216769
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发表时间:
2012-12-07
影响因子:
5.6
通讯作者:
Ren H
Ren H
中科院分区:
生物学2区
文献类型:
--
作者:
Tang KF;Ren H

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DICER是RNA干扰途径的关键组成部分。我们的团队和其他人已经报告了DICER基因的敲除或敲除会导致哺乳动物细胞的DNA损伤。最近有两个研究小组发现,DNA损伤修复的效率大大降低,从DNA双链断裂位点附近的序列中产生的依赖于Dester的小RNA(~21个核苷酸)对DNA损伤修复是必不可少的。此外,越来越多的数据表明,miroRNAs在DNA损伤修复中发挥着关键作用。在这篇综述中,我们讨论了DICER缺失导致DNA损伤的分子机制,以及DICER在肿瘤发生中的作用。
Dicer is the key component of the RNA interference pathway. Our group and others have reported that knockdown or knockout of Dicer leads to DNA damage in mammalian cells. Two groups recently showed that efficiency of DNA damage repair was greatly reduced in Dicer-deficient cells and that Dicer-dependent small RNAs (~21 nucleotides) produced from the sequences in the vicinity of DNA double-strand break sites were essential for DNA damage repair. Moreover, accumulating data have suggested that miroRNAs play pivotal roles in DNA damage repair. In this review, we discuss the molecular mechanisms by which loss of Dicer leads to DNA damage, as well as the role of Dicer in tumorigenesis.
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