Genistein对雌性大鼠卵巢颗粒细胞FSHR基因表达的影响
温海霞 张亚楠
哈尔滨医科大学基础医学院生理学教研室,黑龙江哈尔滨 150086
Effect of Genistein on FSHR gene expression in ovarian granulosa cells of female rats
WEN Haixia ZHANG Ya′nan
Department of Physiology, Basic Medical College, Harbin Medical University, Heilongjiang Province, Harbin 150086, China
摘要 目的 观察Genistein对雌性大鼠卵巢颗粒细胞卵泡刺激素受体(FSHR)基因表达的影响,及其与雌激素受体(ER)的关系。 方法 选取25~28日龄雌性大鼠,皮下注射孕马血清促性腺激素,建立促卵泡发育模型,分离卵巢颗粒细胞进行培养,分别给予Genistein(0、0.1、1、5、10、100 μmol/L)及雌激素受体阻断剂ICI 182,780(1 μmol/L)处理24 h后,采用逆转录-聚合酶链反应(RT-PCR)检测芳香化酶基因上游调控因子FSHR mRNA的表达。 结果 与空白对照组比较,10 μmol/L Genistein组FSHR mRNA表达显著增加(P < 0.05)。ICI 182,780(1 μmol/L)预处理细胞30 min后加入1和10 μmol/L Genistein,其FSHR mRNA表达分别较1和10 μmol/L Genistein组显著下降(P < 0.05或P < 0.01)。 结论 10 μmol/L的Genistein可上调雌性大鼠卵巢颗粒细胞中FSHR表达,且该作用可能是通过ER介导的。
关键词 :
Genistein ,
雌性大鼠 ,
卵巢颗粒细胞 ,
卵泡刺激素受体
Abstract :Objective To observe the effect of Genistein on the expression of follicle stimulating hormone receptor (FSHR) gene in ovarian granulosa cells of female rats and its relationship with estrogen receptor (ER). Methods Female rats aged 25-28 days were subcutaneously injected with pregnant mare serum gonadotrophin to establish follicular development model. Ovarian granulosa cells were isolated and cultured. Genistein (0, 0.1, 1,5, 10, 100 μmol/L) and estrogen receptor blocker ICI 182,780 (1 μmol/L) were treated for 24 hours respectively. Reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the expression of FSHR mRNA, an upstream regulator of aromatase gene. Results Compared with the blank control group, the expression of FSHR mRNA was significantly increased in the 10 μmol/L Genistein group (P < 0.05). After ICI 182,780 (1 μmol/L) pretreatment for 30 minutes, the expression of FSHR in ICI 182,780 pretreated cells with 1 and 10 μmol/L Genistein was significantly lower than that in the 1 and 10 μmol/L Genistein groups (P < 0.05 or P < 0.01) respectively. Conclusion 10 μmol/L of Genistein can up-regulate the expression of FSHR in ovarian granulosa cells of female rats, and this effect may be mediated by ER.
Key words :
Genistein
Female rat
Ovarian granulosa cells
Follicle stimulating hormone receptor
基金资助: 黑龙江省留学归国基金项目(LC2013C06)。
作者简介 : 温海霞(1973.12-),女,博士,副教授;研究方向:生殖生理学。
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