血液病患者与父母之间HLA抗原匹配程度的研究  

HLA Antigen Compatibility between Patients with Hematologic Diseases and Their Parents

作　　者：王红艳[1] 孙敬芬[1] 金红实[1] 王莉莉[1] 于力[1] 

机构地区：[1]中国人民解放军总医院血液科,北京100853

出　　处：《中国实验血液学杂志》2013年第3期707-710,共4页Journal of Experimental Hematology

摘　　要：本研究对血液病患者与其父母HLA匹配情况进行调查及分析,为今后单倍体相合造血干细胞移植选择合适供者提供参考。采用PCR-SSP技术对174个家系进行HLA低分辨分型分析。结果显示:52.30%的血液病患者拥有HLA匹配程度超过半相合的父亲和或母亲,患者中10.92%与父母HLA匹配程度在8/10相合以上,11.49%与父亲和母亲均超过半相合。患者与其父亲和或母亲6/10相合(28.16%)、7/10相合(16.1%)和8/10相合(8.62%)比率均超过5%,9/10相合(2.3%)和10/10相合(1.15%)比率均低于5%。结论:随着两代间匹配程度的增高,其所占比率在降低。超过半数的血液病患者与父母HLA匹配程度超过半相合。超过10%的患者与其父亲和或母亲HLA匹配程度在8/10相合以上。这个高匹配程度及比率为单倍体相合移植提供了更大的成功的机会。拥有常见基因型及单倍体的患者更有可能与其父母HLA配型超过半相合。人群中存在的高频率基因型及单倍体是产生这一现象的主要原因,同时不排除人群居住的集中性及封闭性甚至近亲结婚是促成这一现象的另一因素。This study was aimed to investigate and analyze the HLA antigen compatibility between patients with hematologic diseases and their parents so as to provide basis for selecting the suitable donors in haploidentical hematopoietic stem cell transplantation. The HLA low resolution for 174 families was typed and analyzed by using PCR-SSP. The results showed that 52.30% of patients with hematologic diseases possessed father and/or mother with HLA matching over haploidentity, 10.92% patients were over 8/10 matched with their father and/or mother. 11.49% were over semimatched with both their father and mother. The rate of 6/10 matched pairs（28.16% ）, 7/10 matched pairs（ 16. 1% ） and 8/10 matched pairs（8.62% ） were all beyond 5% ; 9/10（2.3% ） and 10/10 matched pairs（ 1.15% ） were all below 5%. It is concluded that with the matching degree increasing between two generations, HLA matching rate is decreasing. Over 50% and 10% patients were over HLA semi-matched and 8/10 matched with their father and/or mother, respectively. This high matching rate offered a big chance for success of haploidentical HSCT. Patients are more likely over semi-matched with their father and/or mother when they have high frequency and strong linkage HLA disequilibrium. High frequency and strong linkage disequilibrium in populations are main reason, and population concentrating and isolated living may be another reason for this phenomenon.

关 键 词：HLA抗原 HLA抗原匹配 造血干细胞移植 血液病 

分 类 号：R446.62[医药卫生—诊断学]