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造血干细胞移植中HLA-DP不相合对移植物抗宿主病的影响

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摘要 【目的】探讨HLA DP座位免疫基因与造血干细胞移植 (HSCT)中移植物抗宿主病 (GVHD)发生程度的相关性。【方法】采用PCR SSP HLA DPB1基因分型方法和Thomas分度标准对已知HLA A、B、DR全相同的 12例同胞 (SiblingDonor,SD)、4例无关供者 (Unrelat edDonor,UD)和 1例父亲 (FatherDonor ,FD)捐髓的HSCT进行回顾性的调查。【结果】 12例SD中GVHD 0~Ⅲ°,HLA DPB1不相吻合率约为 4% ( 1/2 4) ,其中DP相同者的受者发生GVHD最强达到Ⅱ°。DP不同者仅为Ⅰ°,4例UD中GVHDⅡ°~Ⅳ°,HLA DPB不吻合率约为 37%( 3/8) ,其中 1例仅有DP不相同和DP相同受者的GVHD均为Ⅱ° ;而DP不相同基础上 ,1例CW 亦不相同为Ⅲ° ,另 1例DR低分辨率相同但高分辨率不相同 ( 0 40 4∶0 40 5 )和DQ不相同则发生Ⅳ°。父亲捐髓的受者GVHD为Ⅰ°,HLA DP为半相合。【结论】 17例造血干细胞移植回顾性分析显示 ,在HLA A、B、DR全相同的条件下 ,SD HLA DP配合与否与GVHD之间无相关性 ,UD HLA DP配合与GVHD显著关联 ;HLA非全相同的亲缘捐髓和无关捐髓的供受者应做HLA DPB1基因配型以准确预测和预防GVHD。
出处 《中山医科大学学报》 CSCD 北大核心 2002年第B09期51-53,共3页 Academic Journal of Sun Yat-sen University of Medical Sciences
基金 广州市科委重点科研基金资助项目 ( 2 0 0 0 -Z -0 2 2 -0 1)
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参考文献9

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