期刊
TRENDS IN BIOCHEMICAL SCIENCES
卷 45, 期 9, 页码 779-793出版社
CELL PRESS
DOI: 10.1016/j.tibs.2020.05.003
关键词
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资金
- Canadian Institutes of Health Research [MOP-399244, FDN-154303, FDN-388879]
- FRQS PhD studentship
DNA double-strand break (DSB) resection, once thought to be a simple enzymatic process, is emerging as a highly complex series of coordinated activities required to maintain genome integrity. Progress in cell biology, biochemistry, and genetics has deciphered the precise resecting activities, the regulatory components, and their ability to properly channel the resected DNA to the appropriate DNA repair pathway. Herein, we review the mechanisms of regulation of DNA resection, with an emphasis on negative regulators that prevent single-strand (ss)DNA accumulation to maintain genome stability. Interest in targeting DNA resection inhibitors is emerging because their inactivation leads to poly (ADP-ribose) polymerase inhibitor (PARPi) resistance. We also present detailed regulation of DNA resection machineries, their analysis by functional assays, and their impact on disease and PARPi resistance.
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