Abstract
目的 探讨内皮型一氧化氮合酶(NOS3)基因第4内含子27 bp重复序列、Y染色体HindⅢ酶切位点多态性与青年原发性高血压(EH)的关系.方法 入选青年EH患者345例,正常人281名.提取白细胞DNA,多聚酶链反应结合限制性内切酶(HindⅢ)方法检测多态性.结果 对照组和EH组HindⅢ(+)基因型分布分别为67.3%(107/159)和55.4%(102/184),两组间基因型差异有统计学意义(P=0.03),EH患者HindⅢ(-)基因型增多.对照组和EH组间NOS3 4a/b多态性各基因型和等位基因频率差异无统计学意义(P>0.05).结论 Y染色体HindⅢ酶切位点多态性与青年EH有关。
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