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Review
. 2008 Apr;9(4):297-308.
doi: 10.1038/nrm2351. Epub 2008 Feb 20.

Regulation of DNA repair throughout the cell cycle

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Review

Regulation of DNA repair throughout the cell cycle

Dana Branzei et al. Nat Rev Mol Cell Biol. 2008 Apr.

Abstract

The repair of DNA lesions that occur endogenously or in response to diverse genotoxic stresses is indispensable for genome integrity. DNA lesions activate checkpoint pathways that regulate specific DNA-repair mechanisms in the different phases of the cell cycle. Checkpoint-arrested cells resume cell-cycle progression once damage has been repaired, whereas cells with unrepairable DNA lesions undergo permanent cell-cycle arrest or apoptosis. Recent studies have provided insights into the mechanisms that contribute to DNA repair in specific cell-cycle phases and have highlighted the mechanisms that ensure cell-cycle progression or arrest in normal and cancerous cells.

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