Epigenetic dynamics and interplay during spermatogenesis and embryogenesis: implications for male fertility and
Shao-Qin Ge1,2,3,4, Sheng-Li Lin5, Zheng-Hui Zhao6,7
1Hebei University Health Science Center, Baoding, China.
Abstract:
Mapping epigenetic modifications and identifying their roles in the regulation of spermatogenesis and embryogenesis are essential for gaining fundamental medical understandings and for clinical applications. More and more evidence has shown that specific epigenetic modifications are established during spermatogenesis, which will be transferred into oocyte via fertilisation, and play an important role in the early embryo development. Defects in epigenetic patterns may increase the risk of abnormal spermatogenesis, fertilisation failure, early embryogenesis abnormality and several other complications during pregnancy. This review mainly discusses the relationship between altered epigenetic profiles and reproductive diseases, highlighting how epigenetic defects affect the quality of sperm and embryo.
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