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丙肝病毒全基因组cDNA克隆侵染细胞培养体系的建立 被引量:4

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摘要 以含有丙肝病毒全基因组cDNA的重组质粒(pHCV)为材料,通过基因转染、重组痘病毒辅助使之在HeLa细胞中表达HCV病毒体,建立了一种新的HCV体外细胞培养系统.采用RT-PCR,荧光定量RT-PCR,链特异性RT-PCR,免疫印迹,免疫电子显微镜和电子显微镜负染技术跟踪检测HCV的增殖效率,结果显示,该培养体系中有HCV正链RNA的合成和HCV结构蛋白、非结构蛋白的表达,并组装成直径约47nm的HCV病毒体,病毒体可被偶联有胶体金的抗HCV结构蛋白E2的单抗标记;该体系产生的HCV病毒体滴度达107基因拷贝/mL,远远高于病人血清中的HCV基因拷贝数,也高于迄今报道的任何一种HCV细胞培养体系的病毒滴度.检测结果证明,转染细胞裂解上清中的HCV病毒体可以感染肝癌细胞系Huh7,并在感染细胞中增殖和合成负链RNA中间体,病毒滴度达106基因拷贝/mL.
出处 《科学通报》 EI CAS CSCD 北大核心 2004年第10期965-970,共6页 Chinese Science Bulletin
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  • 2YAOXiangjie,GUOJia,ZHENGCongyi,FANGChengxiang,QUSanfu,CHENZhenqiu,LIZhonghong,LIXinqiang,LIWeiyun.Establishment of an in vitro cell culture system transfected by full-length HCV cDNA genome[J].Chinese Science Bulletin,2004,49(13):1358-1363. 被引量:1
  • 3池晓霞,谢妮,孙彦.一种新型抗HCV药物筛选细胞模型建立的研究[J].深圳中西医结合杂志,2005,15(4):216-219. 被引量:3
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