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罕见B(A)亚型的鉴定 被引量:2

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摘要 目的鉴定B(A)亚型。方法采用血清学方法鉴定1例ABO血型正反定型不符样本,PCR扩增ABO基因第6、7外显子及第6内含子,PCR产物经割胶纯化后直接测序,并对含有突变位点的扩增片段进行单倍体序列分析。结果该样本为罕见的B(A)亚型,血清中有抗-A,测序表明其基因型为B/O01,其B基因在B101的基础上,还存在nt640A→G的点突变,导致214位氨基酸由甲硫氨酸(Met)转变为缬氨酸(Val),该基因为已经报道的B(A)04等位基因。结论鉴定出罕见的B(A)亚型,血清中含有抗-A。
机构地区 福建省血液中心
出处 《临床输血与检验》 CAS 2014年第2期190-192,共3页 Journal of Clinical Transfusion and Laboratory Medicine
基金 福建省卫生厅青年科研课题(No.2012231)资助
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参考文献5

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