期刊
REPRODUCTIVE BIOLOGY AND ENDOCRINOLOGY
卷 11, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1477-7827-11-9
关键词
SET; Androgen production; Preantral follicles
资金
- China 973 program [2012CB944902, 2012CB944703]
- National Foundation of Science [81070465]
Background: We found previously that the expression of SET gene was up-regulated in polycystic ovaries. Evidences suggested that SET protein was essential for regulating both the promoter activity of CYP17A1 and the biological activity of P450c17. In this study, we explored whether SET regulated androgen production in preantral follicles. Methods: The mouse preantral follicles were cultured in vitro. Testosterone secretion and expression of steroidogenic enzymes were observed in the preantral follicles treated in vitro by SET overexpression and knockdown. Results: Testosterone levels in the media of the AdCMV-SET infected follicles significantly increased, and the CYP17A1 and HSD3B2 expression also significantly increased (P < 0.05). Testosterone levels in AdSiRNA-SET infected group decreased, and so did CYP17A1 and HSD3B2 expression (P < 0.05). Conclusions: SET played a positive role in regulating ovarian androgen biosynthesis by enhancing the transcription of steroidogenic enzymes CYP17A1 and HSD3B2, which maybe contribute to the hyperandrogenism in PCOS.
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