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北京地区人群HLA-A、B、DRB1的聚合酶链反应-直接测序分型研究

HLA-A, B, DRB1 gene polymorphism of Beijing population was studied by high-resolution polymerase chain reaction sequence-based typing

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【作者】 邓亚军杨光吴东颖胡松年李生斌朱军朱波峰刘耀

【Author】 DENG Ya-jun 1,2,3 , YANG Guang 1,2 , WU Dong-ying 1,3 , HU Song-nian 1,3 ,LI Sheng-bin2, ZHU Jun 2,4 ,ZHU Bo-feng2, LIU Yao 2,4 1(Beijing Genomics Institute, Chinese Academy of Sciences, Beijing, 101300 P.R.China); 2(The National Laboratory of the Ministry of Health for Forensic Sciences,Xi’an Jiaotong University, Xi’an, Shaanxi, 710016 P.R.China); 3(Center of Forensic Sciences, Beijing Genomics Institute, Beijing, 101300 P.R.China); 4(Institute of Forensic Sciences, Ministry of Public Security, Beijing, 100038 P.R.China)

【机构】 中国科学院北京基因组研究所西安交通大学卫生部法医学重点实验室西安交通大学卫生部法医学重点实验室 101300北京北京华大方瑞司法物证鉴定中心101300北京公安部物证鉴定中心

【摘要】 目的调查北京人群人类白细胞抗原(humanleukocyte antigen,HLA)-A、B、DRB1的基因多态性,获得完整准确的遗传学数据。方法应用聚合酶链反应-直接测序分型(polymerase chain reaction se-quence-basedtyping,PCR-SBT)法对北京地区人群中618名健康无关个体进行HLA-A、B、DRB1基因座高分辨分型。结果检出HLA-A、B、DRB1的基因型数和等位基因数分别为199和84、366和143、286和122,这3个基因座分布均符合Hardy-Weinberg平衡定律(P>0.05)。结论从基因水平分析了北京地区HLA-A、B、DRB1基因座的群体分布特征,提供了一套比较完整准确的HLA-A、B、DRB1等位基因频率、基因型频率,为器官移植的供体选择、法医学个体认定、HLA与疾病相关性及人类学等研究提供了重要的参考数据。

【Abstract】 Objective To investigate the gene polymorphism of human leukocyte antigen (HLA)-A,B,DRB1 loci in the population of Beijing region, and research on the application feasibility of polymerase chain reaction sequence-based typing (PCR-SBT) method. Methods PCR-SBT method was applied to determine HLA-A,B,DRB1 genotypes of 618 unrelated healthy individuals of Beijing region. Results A total of 84 different alleles and 199 genotypes of HLA-A,143 alleles and 366 genotypes of HLA-B, 122 alleles and 286 genotypes of HLA-DRB1 were detected. Conclusion The results showed the characteristics of HLA-A, B, DRB1 distributions, and provided more comprehensive and accurate gene data that may serve as normal reference values for all of Beijing people.