载脂蛋白E基因型及启动子区多态性与颅脑损伤病情发展的相关性研究

来源 :中国神经精神疾病杂志 | 被引量 : 0次 | 上传用户:shaou0633
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目的 探讨载脂蛋白E(ApoE)基因多态性与男性海洛因依赖者(MPHD)认知功能障碍的关系.方法采用韦氏记忆量表、划销测验、威斯康星卡片分类测验改良版检测140例MPHD的认知功能状况,采用聚合酶链反应-限制性片断长度多态性(PCR-RFLP)技术检测140例MPHD及75名健康对照的ApoE基因多态性.结果 ①MPHDε3等位基因频率显著低于对照组(P<0.01),ε4等位基因频率显著高于对照组(P<0.05).②MPHD记忆商数在90分以上组ε4/ε4、ε3/ε4基因型频率及ε4等位基因频率均显著高于记忆商数在90分以下组(P<0.05或P<0.01);③注意力及执行功能高分与低分组间ApoE基因多态性无显著性差异(P>0.05).结论ε4等位基因与海洛因依赖可能存在一定的关联;ε4/ε4、ε3/4基因型及ε4等位基因与MPHD记忆障碍密切相关.
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