DNA damage and decisions: CtIP coordinates DNA repair and cell cycle checkpoints

Zhongsheng You, Julie M. Bailis

Research output: Contribution to journalReview articlepeer-review

101 Scopus citations

Abstract

Maintenance of genome stability depends on efficient, accurate repair of DNA damage. DNA double-strand breaks (DSBs) are among the most lethal types of DNA damage, with the potential to cause mutation, chromosomal rearrangement, and genomic instability that could contribute to cancer. DSB damage can be repaired by various pathways including nonhomologous end-joining (NHEJ) and homologous recombination (HR). However, the cellular mechanisms that regulate the choice of repair pathway are not well understood. Recent studies suggest that the tumor suppressor protein CtIP controls the decision to repair DSB damage by HR. It does so by regulating the initiation of DSB end resection after integrating signals from the DNA damage checkpoint response and cell cycle cues.

Original languageEnglish
Pages (from-to)402-409
Number of pages8
JournalTrends in Cell Biology
Volume20
Issue number7
DOIs
StatePublished - Jul 2010

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