Methods HLA-B* gene polymorphism in 31 patients with DCM and 29 normal control subjects was analyzed using polymerase chain reaction-sequence specific primer(PCR-SSP) technique.

• 方法采用聚合酶链反应和顺序特异性引物(PCR-SSP)基因多态性分析方法,对31例扩张型心肌病患者及29例无血缘关系健康人的HLA-B*各等位基因及亚基因进行检测分析。