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Claudin-1单克隆抗体阻断丙型肝炎病毒感染的体外研究
引用本文:肖非,刘艳玲,倪明,宁琴. Claudin-1单克隆抗体阻断丙型肝炎病毒感染的体外研究[J]. 华中科技大学学报(医学版), 2011, 0(1)
作者姓名:肖非  刘艳玲  倪明  宁琴
作者单位:华中科技大学同济医学院附属同济医院感染性疾病研究所;
基金项目:国家自然科学基金资助项目(No.30901275)
摘    要:目的研究在体外Claudin-1(CLDN1)单克隆抗体对丙型肝炎病毒(hepatitis Cvirus,HCV)感染的阻断效应。方法应用基因免疫接种制备CLDN1单克隆抗体,研究该抗体在HCV细胞感染模型(HCV cell culture,HCVcc)中的阻断效应。结果 CLDN1单克隆抗体和人源性CLDN1受体高亲和性结合,且对肝肿瘤细胞系(Huh7.5.1)无细胞毒性。在HCV体外感染模型中,CLDN1单克隆抗体可剂量依赖性抑制HCV感染,且对HCV主要基因型(1型及2型)均有效。结论 CLDN1单克隆抗体有望作为一个新的抗病毒手段应用于HCV感染的防治。

关 键 词:Claudin-1单克隆抗体  丙型肝炎病毒感染  

Inhibition of Hepatitis C Virus Entry by Anti-claudin1 Monoclonal Antibody in vitro
Xiao Fei,Liu Yanling,Ni Ming et al Institute of Infectious Diseases,Tongji Hospital,Tongji Medical College,HuazhongUniversity of Science , Technology,Wuhan ,China. Inhibition of Hepatitis C Virus Entry by Anti-claudin1 Monoclonal Antibody in vitro[J]. Journal of Huazhong University of Science and Technology(Health Sciences), 2011, 0(1)
Authors:Xiao Fei  Liu Yanling  Ni Ming et al Institute of Infectious Diseases  Tongji Hospital  Tongji Medical College  HuazhongUniversity of Science    Technology  Wuhan   China
Affiliation:Xiao Fei,Liu Yanling,Ni Ming et al Institute of Infectious Diseases,Tongji Hospital,Tongji Medical College,HuazhongUniversity of Science and Technology,Wuhan 430030,China
Abstract:Objective To investigate inhibition of hepatitis C virus(HCV)entry by monoclonal antibody targeting host factor claudin1(CLDN1)in vitro.Methods Anti-CLDN1 monoclonal antibody(mAb),produced by genetic immunization,was used to inhibit HCV infection in HCV cell culture.Results Anti-CLDN1 mAb bound to the extracellular loops of human CLDN1 was expressed on the cell surface with high affinity and showed absent toxicity to hepatoma cells(Huh7.5.1).In vitro,it inhibited HCV infection in a dose-dependent manner and...
Keywords:claudin-1 monoclonal antibody  hepatitis C virus infection  
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