期刊
DNA REPAIR
卷 32, 期 -, 页码 82-85出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.dnarep.2015.04.017
关键词
DNA damage response; DNA repair; RNA; MicroRNA; diRNA; Double-strand break
资金
- 973 programs [2011CB510103, 2012CB910900]
- NSFC [31370796, 31430022, 31225015]
- CAS Strategic Priority Research Program [XDB14030300]
DNA double-strand breaks (DSBs) are among the most deleterious DNA lesions, which if unrepaired or repaired incorrectly can cause cell death or genome instability that may lead to cancer. To counteract these adverse consequences, eukaryotes have evolved a highly orchestrated mechanism to repair DSBs, namely DNA-damage-response (DDR). DDR, as defined specifically in relation to DSBs, consists of multilayered regulatory modes including DNA damage sensors, transducers and effectors, through which DSBs are sensed and then repaired via DNAprotein interactions. Unexpectedly, recent studies have revealed a direct role of RNA in the repair of DSBso including DSB-induced small RNA (diRNA)-directed and RNA-templated DNA repair. Here, we summarize the recent discoveries of RNA-mediated regulation of DSB repair and discuss the potential impact of these novel RNA components of the DSB repair pathway on genomic stability and plasticity. (C) 2015 Elsevier B.V. All rights reserved.
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