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目的探讨人类白细胞抗原（ｈｕｍａｎｌｅｕｃｏｃｙｔｅａｎｔｉｇｅｎＨＬＡ）在广东汉族群体中的遗传特征。方法采用免疫磁珠单抗血清学技术进行ＨＬＡ－Ａ、Ｂ分型和聚合酶联反应－序列特异性引物（ｓｅｑｕｅｎｃｅｓｐｅｃｉｆｉｃｐｒｉｍｅｒｓＰＣＲ－ＳＳＰ）进行ＨＬＡ－ＤＲ、ＤＱ分型，调查了４０６名广东汉族健康献血员。结果识别ＨＬＡ－Ａ、Ｂ、ＤＲ和ＤＱ座位１０６个特异性，４１４２条单倍型，发现ＨＬＡ－Ａ３３－Ｂ５８－ＤＲ１７－ＤＱ２和ＨＬＡ－Ａ２－Ｂ４６－ＤＲ９－ＤＱ９在广东汉族中呈现高频率。结论ＨＬＡ－Ａ３３－Ｂ５８－ＤＲ１７－ＤＱ２和ＨＬＡ－Ａ２－Ｂ４６－ＤＲ９－ＤＱ９，这两条单倍型在广东汉族人群中的分布频率与相关文献其他民族和人群相比为显著连锁不平衡单倍型。
Objective To investigate the genetic characteristics of human leukocyte antigen (HLA) in Guangdong Han population. Methods HLA-DR and DQ typing were performed using HLA-A, B typing and sequence specific primers PCR-SSP by using the immunomagnetic bead monoclonal antibody serological technique. A total of 406 Han donors member. Results HLA-A33-B58-DR17-DQ2 and HLA-A2-B46-DR9-DQ9 were found to have high frequency in Guangdong Han population by identifying 106 specific and 4142 haplotypes in HLA-A, B, DR and DQ loci . Conclusion The distribution frequencies of HLA-A33-B58-DR17-DQ2 and HLA-A2-B46-DR9-DQ9 in Guangdong Han population are significantly more than those in other related ethnic groups Times type.