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Grp78/Bip介导戊型肝炎病毒衣壳蛋白对宿主细胞的吸附
Authors
何水珍
吴小成
+6 more
唐明
夏宁邵
孙媛媛
张军
苗季
郑子峥
Publication date
25 June 2007
Publisher
Abstract
目的探讨Grp78/Bip在戊型肝炎病毒(HEV)衣壳蛋白进入宿主细胞过程中的作用。方法采用pull-down和免疫共沉淀技术进一步验证p239与Grp78/Bip的相互作用;采用激光共聚焦显微镜技术检测p239与细胞膜表面Grp78/Bip共定位情况;采用原核表达纯化的Grp78/Bip蛋白封闭p239的Grp78/Bip结合位点,检测其阻断p239吸附细胞的效果。结果p239与Grp78/Bip可以直接结合,而且这种结合是可逆的生理性结合;p239与Grp78/Bip在细胞膜上存在部分共定位;Grp78/Bip能部分阻断p239对肝细胞的吸附。结论Grp78/Bip参与并介导HEV衣壳蛋白对宿主细胞的吸附
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Last time updated on 16/06/2016