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新等位基因HLA-B*37:04.02的序列分析 被引量:3

Identification of a novel allele HLA-B * 37 : 04 : 02
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摘要 目的确定1名中国人的HLA新等位基因。方法应用聚合酶链反应一序列特异性寡核苷酸探针(polymerase chain reaction-sequence specific oligonucleotide probes,PCR-SSOP)基因分型技术和基于测序的分型方法(sequencing-based typing,SBT)对1名中华骨髓库辽宁分库志愿捐献者的HLA基因进行分型,通过软件分析该基因序列及与最相近等位基因序列的差异。结果PCR-SSOP结果显示,该个体HLAB基因座反应格局出现异常;测序结果表明其B基因座第3外显子序列与所有已知HLA-B等位基因序列均不一致,与序列最相近的等位基因B*37:04:01在所检测的第2和3外显子中的差异只是在第3外显子发生了nt618G〉A1个核苷酸替代,导致相应的第206位密码子由GcG〉GCA,但第206位编码的丙氨酸并未改变。结论该基因为HLAB新等位基因,被世界卫生组织HLA因子专用术语命名委员会正式命名为HLA-B*37:04:02(GU391034)。 Objective To report on a novel HLA allele identified in a Chinese individual. Methods Routine HLA genotyping was carried out with polymerase chain reaction-sequence specific oligonucleotide probes (PCR-SSOP) and sequencing-based typing (SBT). Results A new HLA allele has been identified. The sequence differed from its closest allele B * 37:04:01 at nt618 (GCG→GCA), which resulted in no change of codon 206. Conclusion A novel HLA allele HLA-B * 37:04:02 (GU391034) has been identified and officially named by the WHO Nomenclature Committee.
出处 《中华医学遗传学杂志》 CAS CSCD 北大核心 2014年第4期515-517,共3页 Chinese Journal of Medical Genetics
基金 沈阳市科学技术计划项目(F10-206-1-00)
关键词 新等位基因 HLA-B*37 04 02 基于序列的分型 Novel allele HLA-B * 37 : 04 : 02 Sequence-based typing
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参考文献8

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