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作 者:张伯伟[1] 王艺芳[1] 程四国[1] 杜娟[1] 马茹[1] 孔大为[1]
出 处:《国际输血及血液学杂志》2010年第4期289-292,共4页International Journal of Blood Transfusion and Hematology
摘 要:目的 调查河南汉族斑秃患者HLA-A、B、DRB1中低分辨多态性分布,探讨该病与HLA的关联性.方法 收集2007年10月至2008年2月被河南省某医院皮肤科诊断为斑秃的121例河南籍汉族无血缘关系者血液标本,提取基冈组DNA,采用PCR-SSO流式荧光微珠法进行HLA-A、B、DRB1中低分辨检测,统计分析A、B、DRB1等位基因频率,并与本地区24 930份造血干细胞捐献者(对照组)进行对比,u检验分析两组样本间率的差异的显著性.结果 共检测斑秃患者血样121例,其中A位点等位基因频率较高的有A*02(0.2603)、A*11(0.1653)、A*24(0.1240),B位点等位基因频率较高的有B*15(0.2107)、B*13(0.1198)、B*40(0.1074),DRB1位点等位基因频率较高的有DRB1*15(0.2273)、DRB1*07(0.1364)、DRB1*09(0.1198)、DRB1*04(0.1074);在对照组中A位点等位基因频率较高的有A*02(0.2909)、A*11(0.1666)、A*24(0.1570),B位点基因频率较高的有B*15(0.1370)、B*13(0.1316)、B*40(0.1315)、B*51(0.0765),DRB1位点基因频率较高的有DRB1*15(0.1786)、DRB1*07(0.1322)、DRB1*09(0.1302)、DRB1*04(0.1082),两组样本A位点等位基因分布差异无统计学意义;斑秃患者DRB1*12频率低于正常对照组(P〈0.05),B*15(62)和DRB1*15基因频率显著高于正常对照组(P〈0.05).结论 斑秃患者与正常人群中HLA-A位点等位基因分布差异无统计学意义.DRB1*12可能对于斑秃的发病有抵御作用,B*15(62)和DRB1*15可能为斑秃的易感基因.Objective To investigate the medium and low resdution distribution of polymorphism of HLA-A, B, DRB1 in low-resolution in the patients with alopecia areata (AA) of Han nationality from Henan province and further explore the correlation between AA and HLA. Methods 121 blood samples were collected from AA patients in some hospital in Henan proince from Oct 2007 to Feb 2008. 24 930 blood samples of donors from Henan branch of CMDP(China marrow donors program) were regarded as control group(CG). For analyzing HLA-A, B, DRB1 frequency and comparing difference between patients and donors, the method of Polymerase chain reaction-sequence special oligonucleotide (PCR-SSO) was used. Results In AA patients group, the top 3 high frequencies for HLA-A, B, DRB1 were A* 02(0. 2603), A *11(0. 1653), A* 24(0. 1240); B* 15(0. 2107), B* 13(0. 1198), B* 40(0. 1074); DRB1 * 15(0. 2273), DRB1 * 07(0. 1364), DRB1 * 09 (0. 1198), DRB1 * 04(0. 1074). In contrast to control group(CG), the top 3 high frequencies for HLA-A, B and DRB1 were A * 02 (0.2909), A* 11(0. 1666), A * 24(0. 1570); B* 15(0. 1370), B 13(0. 1316), B*40(0. 1315), B* 51(0.0765); DRB1 * 15(0.1786), DRB1 * 07(0. 1322), DRB1* 09 (0. 1302), DRB1 * 04 (0. 1082). There was no significant difference in HLA-A allele distribution between AA and CG. The frequency of HLA-DRB1 * 12 of AA was lower than that of CG (P〈0. 05), whereas the frequencies of HLA-B * 15(62) and HLA-DRB1 * 15 in AA were significantly higher than that of CG (P〈0. 05). Conclusion There was no significant difference between AA and CG in HLA-A gens frequency. HLA-DRB1 * 12 might prevent people from suffering AA. HLA-B* 15 (62) and HLA-DRB1 * 15 might be susceptibility genes of AA.
关 键 词:斑秃 PCR-SSO 流式荧光微珠法 HLA基因分型
分 类 号:R758.71[医药卫生—皮肤病学与性病学]
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