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Comparative study of HLA-DQA1 allele polymorphism in patients with asthma and chronic bronchitis
Author(s): 
Pages: 83-85
Year: Issue:  2
Journal: CHINESE JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE

Keyword:  HLA-DQA1支气管哮喘慢性支气管炎;
Abstract: 目的研究支气管哮喘与慢性支气管炎患者HLA-DQA1等位基因的异同.方法采用限制性片断长度多态性聚合酶链反应技术(PCR-RFLP),对40例支气管哮喘及21例慢性支气管炎江西籍汉族患者进行HLA-DQA1等位基因频率的检测,与42例江西籍汉族正常人进行比较分析.结果与正常对照组比较,支气管哮喘及慢性支气管炎组HLA-DQA1*0401基因频率均明显增高(P<0.01),且在支气管哮喘组中,HLA-DQA1*0601基因频率明显增高(P<0.01);支气管哮喘组与慢性支气管炎组比较,HLA-DQA1*0401、*0601基因频率的分布无显著性差异(P>0.05).其余各等位基因频率在三组间分布也无显著性差异(P>0.05).结论江西汉族人群的HLA-DQA1*0401、*0601基因可能为支气管哮喘的易感基因,HLA-DQA1*0401基因可能为慢性支气管炎的易感基因,提示哮喘和慢性支气管炎有部分相同的免疫遗传机制.
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