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HBV基因分型的研究与应用进展 被引量:7

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摘要 HBV有A~H8种不同的基因类型,呈地域性分布,其中A、B、C、D、F、H6种基因型存在不同的亚型。在中国主要以B、C型为主,可见A、D型及部分混合型,F型罕见,尚未发现其他基因型。目前认为HBV基因型与慢性HBV感染的传播方式、流行特征、自然病程、病情预后、抗病毒药物疗效及HBV的变异有关。A型与C型关联到肝损害的严重程度;C型比B型更容易发生基本核心启动子(BCP)T1762-A1764双突变;HBV基因型还可能与血清转换有关;A型对干扰素的应答率较D型高;B型对干扰素及拉米夫定的持续应答优于C型。虽然近年来对HBV基因型的研究迅速增多,但各家报道差异较大,尚有诸多问题悬而未决,对HBV基因型的全面认识,还有待于进一步的国际化合作。
出处 《国际病毒学杂志》 2010年第4期102-105,共4页 International Journal of Virology
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参考文献18

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