It is well established that the decline in female reproductive outcomes is related to postovulatory aging of oocytes and advanced maternal age.Poor oocyte quality is correlated with compromised genetic integrity and e...It is well established that the decline in female reproductive outcomes is related to postovulatory aging of oocytes and advanced maternal age.Poor oocyte quality is correlated with compromised genetic integrity and epigenetic changes during the oocyte aging process.Here,we review the epigenetic alterations,mainly focused on DNA methylation,histone acetylation and methylation associated with postovulatory oocyte aging as well as advanced maternal age.Furthermore,we address the underlying epigenetic mechanisms that contribute to the decline in oocyte quality during oocyte aging.展开更多
基金supported in part by the National Natural Science Foundation of China (Grant No. 81100422)National Basic Research Program of China (Grant Nos. 2012CB944404 and 2011CB944501)
文摘It is well established that the decline in female reproductive outcomes is related to postovulatory aging of oocytes and advanced maternal age.Poor oocyte quality is correlated with compromised genetic integrity and epigenetic changes during the oocyte aging process.Here,we review the epigenetic alterations,mainly focused on DNA methylation,histone acetylation and methylation associated with postovulatory oocyte aging as well as advanced maternal age.Furthermore,we address the underlying epigenetic mechanisms that contribute to the decline in oocyte quality during oocyte aging.