肾阳虚小鼠睾丸生殖细胞凋亡的实验研究

被引:0
作者
朱庆均
机构
[1] 山东中医药大学
关键词
肾阳虚; 生殖细胞; 凋亡; 金匮肾气丸; 雄性小鼠;
D O I
暂无
年度学位
2008
学位类型
博士
导师
摘要
目的:探讨“房室不节、劳倦过度”所致肾阳虚小鼠生殖细胞的凋亡机制,同时,研究金匮肾气丸抑制生殖细胞凋亡的作用机理。 方法:以已经建立的“房室不节、劳倦过度”肾小虚小鼠为实验动物,对小鼠睾丸组织的形态学进行观察,并分析小鼠睾丸内FSH和睾酮含量,同时利用RT-PCR和免疫组织化学技术对凋亡相关基因进行分析,利用TUNEL对小鼠睾丸生殖细胞的凋亡率进行测定。 结果:“劳倦过度、房室不节”导致小鼠的睾丸内生殖细胞凋亡率上升,睾丸内睾酮含量、Fas、FasL及Caspase3表达和分布异常,金匮肾气丸和甲基睾酮对这种异常有一定反向调节作用。此外,模型小鼠的Bcl-XL mRNA水平也低于正常水平。 结论:“劳倦过度、房室不节”导致小鼠睾丸内睾酮水平下降,通过Fas、FasL的外源性死亡通路引起生殖细胞凋亡,在这一过程中,有Bcl-XL的参与。金匮肾气丸可以通过提高睾丸内睾酮含量,调节Fas、Fas L表达,可以降低“劳倦过度、房室不节”造成的小鼠睾丸生殖细胞凋亡。
引用
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页数:102
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