Article
Impairment of BRCA1-related DNA double-strand break repair leads to ovarian aging in mice and humans.
Science translational medicine - 13 Feb 2013
Titus Shiny, Li Fang, Stobezki Robert, Akula Komala, Unsal Evrim, Jeong Kyungah, Dickler Maura, Robson Mark, Moy Fred, Goswami Sumanta, Oktay Kutluk
Abstract excerpt
The underlying mechanism behind age-induced wastage of the human ovarian follicle reserve is unknown. We identify impaired ATM (ataxia-telangiectasia mutated)-mediated DNA double-strand break (DSB) repair as a cause of aging in mouse and human oocytes. We show that DSBs accumulate in primordial follicles with age. In parallel, expression of key DNA DSB repair genes BRCA1, MRE11, Rad51, and ATM, but not BRCA2,...
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