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为探讨DAZ基因在男性生精过程中的作用及DAZ基因与男性不育症的关系。本文应用多重聚合酶链反应对男性不育症患者DAZ基因进行检测。并结合临床表型进行分析。结果在正常有生育力的男性、精子数正常不育男性、已知原因无精子少精子症患者中皆无DAZ基因缺失 ;在特发性无精子症患者中检测出DAZ缺失 ,缺失比例高达 15 % (5 /34) ,其中无精子症 17% (3/18) ,少精子症 13 % (2 /16 )。提示DAZ基因在生精过程中起重要作用 ,DAZ基因缺失是导致特发性无精子少精子症的原因之一
To investigate the role of DAZ gene in spermatogenesis and the relationship between DAZ gene and male infertility. In this paper, multiple polymerase chain reaction to detect male infertility DAZ gene. Combined with clinical phenotype analysis. Results There were no DAZ gene deletion in normal fertile males, normal male infertile men with known sperm deficiency, and DAZ deletion in idiopathic azoospermia patients, with a deletion rate of up to 15 % (5/34), of which 17% (3/18) were azoospermia and 13% (2/16) were less oligozoospermia. Suggesting that DAZ gene plays an important role in the process of spermatogenesis. The loss of DAZ gene is one of the reasons leading to idiopathic azoospermia