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中文摘要

《亚洲男性学杂志》 2007; 9 (3): 339-344

《亚洲男科学杂志》 2007; 9(3): 339-344

【论著】生殖细胞特异基因VASA在正常和少精子症患者精子中的表达研究

Xin Guo, Yao-Ting Gui, Ai-Fa Tang, Li-Hua Lu, Xin Gao, Zhi-Ming Cai(中国)

目的:探讨生殖细胞高度特异性基因VASA在正常和少精子症患者精子中的表达,明确该基因在精子发生中的作用和相关机制。方法:正常和少精子症患者精液通过Percoll梯度分离获得精子。采用RT-PCR、real-time PCR、Western blot和免疫荧光方法分析该基因转录产物和蛋白表达。结果:VASA mRNA在射出精子中表达,正常精子VASA mRNA水平是少精子症精子的5倍;免疫荧光显示VASA蛋白主要定位在精子头部质膜和尾部,其表达强度正常组明显高于病变组,Western blot结果与免疫荧光结果相一致。结论:少精子症患者精子与正常精子相比VASA mRNA和蛋白均明显降低,提示VASA基因的低表达可能与男性不育的发病机制有关,并可作为一种分子标志用于男性不育的诊断。

关键词:VASA;精子;少精子症;男性不育;精子发生

 
Asian Journal of Andrology CN 31-1795/R ISSN 1008-682X  Copyright © 2023  Shanghai Materia Medica, Chinese Academy of Sciences.  All rights reserved.