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海南省澄迈县人群G6PD缺乏症基因突变分析

陈开科, 符菊秀, 熊先会, 卢玲琳, 梁海萍, 卓晓芳, 罗慎,蔡望伟,颜冬菁

Basic & Clinical Medicine(2016)

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Abstract
目的 分析海南省澄迈县人群葡萄糖-6-磷酸脱氢酶缺乏症(G6PD)的发病率及基因突变类型.方法 用Zinkham法对l 299例(男650例,女649例)标本进行G6PD缺乏筛查;用多色探针荧光PCR熔解曲线法对初筛的阳性标本进行中国人常见的16种G6PD基因突变类型检测,对未检出突变的标本进行外显子测序.结果 澄迈县人群的G6PD缺乏症总发生率为5.54% (72/1 299),其中男性发生率为6.62%(43/650),女性发生率为4.47%(29/649).72例阳性标本中有61例检测出有突变,共检出6种基因点突变,含24例1 376 G>T(33.33%),19例1 388 G>A(26.39%),4例95 A>G(5.56%),6例1 024 C>T(8.33%),4例392 G>T(5.56%),3例871 G>A(4.17%),1例l 376 G>T复合l 388 G>A突变(1.39%).未检出突变的11例(15.28%)标本经外显子测序未发现新突变.结论 澄迈县G6PD缺乏症发生率高,以1 376 G>T和1 388 G>A突变基因型为主.
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Key words
G6PD deficiency,gene mutation,melting curve analysis-based PCR assay,molecular diagnosis
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