深圳地区汉族献血人群MICA等位基因多态性及其与HLA-B基因的连锁不平衡分析

Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics(2018)

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Abstract
目的 研究主要组织相容性复合体Ⅰ类链相关基因A位点(major histocompatibility complex class Ⅰ chain-related gene A,MICA)在深圳地区汉族献血人群中的分布特点及其与人类白细胞抗原B位点(human leukocyte antigen locus B,HLA-B)基因的连锁不平衡关系.方法 采用基于聚合酶链反应-碱基序列直接测序(PCR-sequence based typing,PCR-SBT)方法对143名随机深圳地区汉族献血者进行MICA和HLA-B基因高分辨分型,并采用Pypop软件分析等位基因频率、单倍型频率和连锁不平衡参数.结果 143名献血者标本中共检出了13个MICA和35个HLA-B等位基因,其中MICA* 008:01频率最高(76/286);MICA* 008:01-HLA-B* 40:01和MICA* 010-HLA-B* 46:01是最常见的单倍型.结论 获得了深圳地区汉族献血人群MICA和HLA-B基因的等位基因和单倍型多态性及连锁不平衡分析数据,列出了部分MICA和HLA-B等位基因及单倍型频率,为MICA和HLA-B基因的相关研究和应用提供了参考数据.
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Key words
Major histocompatibility complex class Ⅰ chain-related gene A,Human leukocyte antigen locus B,Linkage disequilibrium,Polymorphism,Haplotype
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