Journal
DNA REPAIR
Volume 10, Issue 7, Pages 722-729Publisher
ELSEVIER
DOI: 10.1016/j.dnarep.2011.04.022
Keywords
Nucleotide excision repair; Xeroderma pigmentosum; ERCC1-XPF; XPG; Ultraviolet light
Categories
Funding
- NIH [GM080454, CA092584, ES004068]
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Nucleotide excision repair (NER) is a DNA repair pathway that is responsible for removing a variety of lesions caused by harmful UV light, chemical carcinogens, and environmental mutagens from DNA. NER involves the concerted action of over 30 proteins that sequentially recognize a lesion, excise it in the form of an oligonucleotide, and fill in the resulting gap by repair synthesis. ERCC1-XPF and XPG are structure-specific endonucleases responsible for carrying out the incisions 5' and 3' to the damage respectively, culminating in the release of the damaged oligonucleotide. This review focuses on the recent work that led to a greater understanding of how the activities of ERCC1-XPF and XPG are regulated in NER to prevent unwanted cuts in DNA or the persistence of gaps after incision that could result in harmful, cytotoxic DNA structures. (C) 2011 Elsevier B.V. All rights reserved.
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