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Effects of Soy Isoflavones on the Sex Hormone Level and Pathological Changes in the Perimenopausal Syndrome Animal Model

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【作者】 Xuelin DUANGuiyu LIJiyong LINYue PENGTiejian ZHAO

【Author】 Xuelin DUAN;Guiyu LI;Jiyong LIN;Yue PENG;Tiejian ZHAO;College of Zhuang Medicine,Guangxi University of Chinese Medicine;Office of Academic Affairs,Guangxi University of Chinese Medicine;Graduate School of Guangxi University of Chinese Medicine;College of Basic Medical Sciences,Guangxi University of Chinese Medicine;

【机构】 College of Zhuang Medicine,Guangxi University of Chinese MedicineOffice of Academic Affairs,Guangxi University of Chinese MedicineGraduate School of Guangxi University of Chinese MedicineCollege of Basic Medical Sciences,Guangxi University of Chinese Medicine

【摘要】 [Objectives] To observe the effect of soy isoflavones on the perimenopausal syndrome model of female rats,and to find its mechanism,in order to provide experimental evidence for the clinical treatment of menopausal syndrome. [Methods]50 female SD rats were randomly divided into five groups,with 10 rats in each group,respectively,for the normal control group,sham operation group,model group,diethylstilbestrol group,soy isoflavone treated group,except the normal control group and sham operation group,the other groups were ovariectomized rats,the formation model of perimenopausal rats treated with normal saline,diethylstilbestrol,soy isoflavone by gavage,normal control group and sham operation group were given the same dose of normal saline and soy isoflavone by gavage. After 6 weeks of continuous treatment,abdominal aorta was taken blood,the serum was isolated,and radioimmunoassay method to measure E2( Eestradiol),P( Progesterone),T( Testosterone). And removal of the pituitary gland,uterine and adrenal prepared pathological section,experimental effect was observed by light microscopy,using immunohistochemical method to observe the brain pituitary FSH( Follicle-Stimulating Hormone) and LH( Luteinizing Hormone) levels. [Results] Radiation immune analysis results showed that soy isoflavone could significantly improve serum E2 level in ovariectomized rats,compared with the model group,the statistical analysis showed significant difference( P < 0. 05),but the serum P and T level had little effect. The pathological results showed that( i) uterus: the uterine wall and endometrial thickness of soy isoflavone group was between that of model group and sham operation group,the surface epithelium was columnar,glands increased;( ii) pituitary gland: soy isoflavone ovariectomized group cells were between model group and normal group;( iii) adrenal gland: soy isoflavone group adrenal tissue did not change significantly. Immunohistochemical results showed that soy isoflavone group pituitary tissues of FSH and LH cells compared with the model group decreased significantly. [Conclusions] The soy isoflavones could make the uterus wall and endometria of perimenopausal syndrome animal model thicken,improve the serum level of E2 in ovariectomized rats,and decrease the level of FSH and LH,but had little effect on the adrenal tissues,level of T and P.

【基金】 Supported by Guangxi Graduate Education Innovation Program Foundation(YJSJG201601);Natural Science Research Project of Guangxi University of Chinese Medicine(P2005006)
【所属期刊栏目】 Clinical Application (2017年06期)
  • 【DOI】10.19600/j.cnki.issn2152-3924.2017.06.017
  • 【分类号】R285.5;R-332
  • 【下载频次】12
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