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Brugada综合征患者SCN5A基因突变检测 被引量:3

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摘要 目的:对3例Brugada综合征患者及其部分家系成员进行SCN5A基因突变检测。方法:提取3例Brugada综合征患者及家系成员外周血中DNA样本,设计34对引物进行多聚核苷酸聚合酶链反应(PCR),扩增该基因28对外显子,之后对其产物进行直接测序。若有碱基变异,则与无血缘关系的103例正常样本针对该位点进行对照,并分析其氨基酸改变情况。结果:在其中1例Brugada综合征患者的SCN5A基因的第20号外显子上发现1个杂合变异,其导致通道蛋白氨基酸编码的1192位密码子的第2个碱基发生A→G的改变,使得相应编码的精氨酸(R)被谷氨酰胺(Q)所取代,而这一变异位点在103个正常人中仅发现1例,其频率为0.0097。结论:在中国人Brugada综合征患者的SCN5A基因上发现1个已经在国外患者中报道的错义突变(R1192Q)。
出处 《实用医学杂志》 CAS 北大核心 2012年第14期2354-2355,共2页 The Journal of Practical Medicine
基金 广东省科技计划项目(编号:2010B031600242)
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参考文献10

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二级参考文献5

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