期刊
NATURE REVIEWS MOLECULAR CELL BIOLOGY
卷 17, 期 6, 页码 364-378出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nrm.2016.43
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资金
- US National Institutes of Health [DP2CA195767, DK102562, AG038677]
- American Cancer Society [RSG-14-186]
- Damon Runyon-Rachleff grant
Mammalian cells have evolved specialized mechanisms to sense and repair double-strand breaks (DSBs) to maintain genomic stability. However, in certain cases, the activity of these pathways can lead to aberrant DNA repair, genomic instability and tumorigenesis. One such case is DNA repair at the natural ends of linear chromosomes, known as telomeres, which can lead to chromosome-end fusions. Here, we review data obtained over the past decade and discuss the mechanisms that protect mammalian chromosome ends from the DNA damage response. We also discuss how telomere research has helped to uncover key steps in DSB repair. Last, we summarize how dysfunctional telomeres and the ensuing genomic instability drive the progression of cancer.
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