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目的探讨HLA-A、HLA-B等位基因与斑秃的相关性。方法采用LABTypeTM SSO技术检测44例斑秃患者和200例正常对照的HLA-A、HLA-B等位基因频率。结果 HLA-A＊11（χ2=6.08,P〈0.05）、HLA-B＊13（χ2=29.80,P〈0.01）、HLA-B＊40（χ2=8.04,P〈0.01）、HLA-B＊46（χ2=5.86,P〈0.05）和HLA-B＊51（χ2=8.82,P〈0.01）的等位基因频率显著增高。结论 HLA-A＊11、HLA-B＊13、HLA-B＊40、HLA-B＊46和HLA-B＊51可能是斑秃的易感基因。“,”Objective To explore the association between HLA-A and B alleles and alopecia areata.Methods HLA-A and-B alleles were studied by LABTypeTM SSO in 44 patients with alopecia areata and 200 healthy controls.Results The frequencies of HLA-A＊11（χ2=6.08,P 〈 0.05）,HLA-B＊13（χ2=29.80,P 〈 0.01）,HLA-B＊40（χ2=8.04,P 〈 0.01）,HLA-B＊46（χ2=5.86,P 〈 0.05）and HLA-B＊51（χ2=8.82,P 〈 0.01）alleles were significantly increased in alopecia areata patients compared with the control.Conclusion HLA-A＊11,HLA-B＊13,HLA-B＊40,HLA-B＊46 and HLA-B＊51 might be the susceptible alleles of the patients with alopecia areata.