Jun Zhang, Junming Sun, Meizhen Ou, Yiqiang Ouyang, Deshun Shi, F. Lu
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引用次数: 0
Abstract
Cumulus cells (CCs) synthesize estrogens that are essential for follicular development. However, the effects of androgen on estrogen production in buffalo CCs remain unknown. In the present study, the impacts of testosterone on estrogen synthesis of buffalo CCs surrounding in vitro-matured oocytes were investigated. The results showed that testosterone supplementation improved both the expression levels of estrogen synthesis-related genes (CYP11A1, CYP19A1, and 17β-HSD) and the secretion levels of estradiol in buffalo CCs surrounding in vitro-matured oocytes. Furthermore, testosterone treatment enhanced the sensitivity of buffalo CCs surrounding in vitro-matured oocytes to follicle-stimulating hormone (FSH). This study indicated that testosterone supplementation promoted the estrogen synthesis of buffalo CCs surrounding in vitro-matured oocytes mainly through strengthening the responsiveness of CCs to FSH. The present study serves as a foundation of acquiring high-quality recipient oocytes for buffalo somatic cell nuclear transfer.
期刊介绍：
Cellular Reprogramming is the premier journal dedicated to providing new insights on the etiology, development, and potential treatment of various diseases through reprogramming cellular mechanisms. The Journal delivers information on cutting-edge techniques and the latest high-quality research and discoveries that are transforming biomedical research.
Cellular Reprogramming coverage includes:
Somatic cell nuclear transfer and reprogramming in early embryos
Embryonic stem cells
Nuclear transfer stem cells (stem cells derived from nuclear transfer embryos)
Generation of induced pluripotent stem (iPS) cells and/or potential for cell-based therapies
Epigenetics
Adult stem cells and pluripotency.
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