Objective: To observe the effects of Yangjing Zhongyu Decoction (YJZYD) on the serum estradiol (E2), testosterone (T), 17-hydroxyprogesterone (17-OHP), ovarian follicle stimulating hormone receptor (FSHR), insulin-like growth factor I (IGF-1), steroid hormone acute regulator protein (StAR) mRNA expressions in female rats.
Methods: Fifty PCOS rats were equally divided into 5 groups, i. e., the control group (C, normal PNA rats), the model group (M), the low dose YJZYD group (Y1), the medium dose YJZYD group (Y2), and the high dose YJZYD group (Y3), 10 in each. The levels of serum hormones were detected using radioimmunoassay. The morphological changes of the ovary were observed using HE method. The expressions of FSHR, IGF-1, and StAR mRNA were detected using RT PCR.
Results: Compared with Group C, serum T and 17-OHP significantly increased (P < 0.01), E2 significantly decreased (P < 0.01), the expressions of FSHR, IGF-1, and StAR mRNA significantly decreased in Group M (P < 0.01). Compared with Group M, the serum T level significantly decreased (P < 0.01), 17-OHP decreased (P < 0.05), and E2 significantly increased in Group Y3 (P < 0.01). The expressions of FSHR, IGF-1, and StAR mRNA increased in Group Y1, Y2, and Y3. The increase was most obvious in Group Y3 (P < 0.01).
Conclusions: YJZYD could lower the hyperandrogenemia of PCOS rats. It also could increase the ovarian expressions of FSHR, IGF-1, and StAR mRNA, improve the ovarian functions, and promote the follicular development.
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