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Genetic Polymorphisms at HLA-A, -B, and -DRB1 Loci in Han Population of Xi’an City in China

机译:西安市汉族人群HLA-A,-B和-DRB1基因座的遗传多态性

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摘要

Aim To determine genetic polymorphisms at human leukocyte antigen(HLA)-A, -B, and -DRB1 loci in Han population of Xi’an cityin China.Methods Polymerase chain reaction-based reverse line-strip sequencespecific oligonucleotide hybridization was used to determinethe alleles of HLA-A, -B, and -DRB1 in 516 unrelated, healthy individualsof Han population in Xi’an. Allele frequencies at HLA-A,-B, and -DRB1 loci were estimated by direct counting method. Haplotypefrequencies were calculated from genotype data by expectationmaximization.Results A total of 14 alleles of HLA-A, 33 alleles of HLA-B, and 13alleles of HLA-DRB1 were found. The most common alleles wereHLA-A*02 (28.39%), A*11 (19.19%), and A*24 (16.28%); HLAB*13 (11.05%), B*15 (B62: 9.30%), and B*51 (8.53%); and HLADRB1*15 (17.15%), DRB1*09 (13.18%), and DRB1*04 (10.85%).The most common haplotypes of HLA-A-B-DRB1 haplotype wereHLA-A*30-B*13-DRB1*07 (3.93%), HLA-A*02-B*46-DRB1*09(3.20%), and HLA-A*33-B*58-DRB1*17 (1.63%).Conclusion The finding that the HLA loci are highly polymorphicin Han population of Xi’an City may be useful for population genetics,HLA-related studies, human identification, and paternity testsin forensic sciences.
机译:目的确定中国西安市汉族人群人类白细胞抗原(HLA)-A,-B和-DRB1基因座的基因多态性。方法以聚合酶链反应为基础,采用反向线-条带序列特异性寡核苷酸杂交技术确定等位基因。西安市516名健康汉族中HLA-A,-B和-DRB1的分布通过直接计数法估计HLA-A,-B和-DRB1位点的等位基因频率。根据期望值,从基因型数据中计算出单倍型频率。结果共发现14个HLA-A等位基因,33个HLA-B等位基因和13个HLA-DRB1等位基因。最常见的等位基因是HLA-A * 02(28.39%),A * 11(19.19%)和A * 24(16.28%); HLAB * 13(11.05%),B * 15(B62:9.30%)和B * 51(8.53%); HLADRB1 * 15(17.15%),DRB1 * 09(13.18%)和DRB1 * 04(10.85%)。HLA-AB-DRB1单倍型的最常见单倍型是HLA-A * 30-B * 13-DRB1 * 07 (3.93%),HLA-A * 02-B * 46-DRB1 * 09(3.20%)和HLA-A * 33-B * 58-DRB1 * 17(1.63%)。结论HLA基因座是西安市汉族人群中高度多态性高的人群可能对法医科学中的人群遗传学,HLA相关研究,人类鉴定和亲子鉴定有用。

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