卢鸽;解子婧;汪倩;李茜;李红晓;沈梅红;

• 1:南京中医药大学针灸推拿学院/养生康复学院

摘要(Abstract)：

目的探讨针刺对卵巢储备功能减退模型大鼠动情周期的影响及可能作用机制。方法将40只动情周期正常的SD雌性大鼠随机分为空白组、模型组、针刺组、激素组,每组10只。除空白组外,其余3组大鼠予雷公藤多苷片混悬液按50mg/(kg·d)连续灌胃14天建立卵巢储备功能减退大鼠模型。针刺组在每日雷公藤多苷灌胃1h后进行针刺干预,选取"肾俞""关元""中脘"穴,每次行针10s,共留针10min。同时激素组进行雌激素、孕激素序贯疗法。实验第8天起观察大鼠动情周期,第15天采用HE染色法观察各组大鼠卵巢中卵泡、黄体发育情况;检测大鼠血清激素[包括抗苗勒管激素(AMH)、雌二醇(E_2)、卵泡刺激素(FSH)]及炎性因子[包括肿瘤坏死因子α(TNF-α)、白细胞介素21(IL-21)、白细胞介素10(IL-10)]水平;检测卵巢组织中转录因子核因子E_2相关因子2(Nrf2)、血红素氧合酶1(HO-1)蛋白表达及Nrf2、HO-1、核苷酸结合寡聚化结构域受体3(NLRP3)mRNA相对表达量。结果与空白组比较,模型组大鼠的动情周期延长或紊乱,生长卵泡颗粒细胞层减少,黄体萎缩,闭锁卵泡和炎性浸润增多;血清AMH、E_2、IL-10水平降低,FSH、TNF-α、IL-21水平升高,卵巢组织中Nrf2、HO-1蛋白和mRNA表达降低,NLRP3 mRNA升高(P<0.01)。与模型组比较,针刺组及激素组生长卵泡颗粒细胞层增多,闭锁卵泡和炎性浸润减少;血清AMH、E_2、IL-10升高,FSH、IL-21下降;卵巢组织中Nrf2、HO-1蛋白和mRNA增高,NLRP3 mRNA降低(P<0.05或P<0.01)。针刺组和激素组各指标差异无统计学意义(P>0.05)。结论针刺能够恢复卵巢储备功能减退模型大鼠的动情周期,有效调节大鼠性激素水平,可能通过Nrf2/HO-1信号通路抑制NLRP3 mRNA表达,从而抑制炎症反应。

关键词(KeyWords)： 卵巢储备功能减退;针刺;动情周期;性激素;炎症因子;转录因子核因子E_2相关因子2;血红素氧合酶1

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(81774408,81973957)

作者(Author): 卢鸽;解子婧;汪倩;李茜;李红晓;沈梅红;

Email:

DOI: 10.13288/j.11-2166/r.2020.15.015

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