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无偿献血者中隐匿性乙型肝炎病毒感染及表面抗原突变分析
Authors
倪宏英
夏宁邵
+11 more
张军
张永昌
李安
林永财
欧山海
葛胜祥
袁权
裴斌
闫强
陈清瑞
陈长荣
Publication date
15 May 2009
Publisher
Abstract
采用多种免疫学检测和核酸检测相结合的方法调查了我国南方某城市无偿献血者中隐匿性乙型肝炎病毒(HBV)感染的存在情况。结果在9023例乙肝表面抗原(HBsAg)阴性的无偿献血者中,共发现17例HBV DNA阳性,隐匿性HBV感染者的发生率为0.19%(95%CI:0.11~0.30%)。序列分析显示其中6例在HBsAg"a"表位(aa124~aa147)存在不同程度氨基酸突变,突变发生率为42.9%(6/14,有3例未扩增出"a"表位片段序列),G145R突变是该地区隐匿性HBV携带者中发生频率最高的突变(4/6,66.7%)。隐匿性HBV感染者中基因型C的比例(10/17)显著高于HBsAg阳性的HBV感染者(0/15,P<0.01)
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Last time updated on 16/06/2016