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人巨细胞病毒DNA疫苗免疫效果的初步研究 被引量:1
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作者 李猛 邵丽军 +1 位作者 郭立君 王宣军 《病毒学报》 CAS CSCD 北大核心 2008年第4期320-321,共2页
Human cytomegalovirus is an important pathogen which widely infects human.In this study,an eukaryotic expression vector containing human cytomegalovirus gB680 and pp65m genes was injected into BALB/c mice to explore t... Human cytomegalovirus is an important pathogen which widely infects human.In this study,an eukaryotic expression vector containing human cytomegalovirus gB680 and pp65m genes was injected into BALB/c mice to explore the immune response. Firstly,the recombinant plasmid pVAX1/gB680+pp65m and plasmid pVAX1 were transfected into COS-7 cells respectively and the transiently expressed product was detected by RT-PCR and Western blot.The maxiprepared plasmid pVAX1/gB680+pp65m and pVAX1 by alkaline lysis with SDS and purified by Sepharose 4FF column chromatography were then used to immunize BALB/c mice and the humoral and cellular immune responses were determined.Recombinant plasmid pVAX1/gB680+pp65m could be expressed in COS-7 cells,and could induce antibodies and cellular immune responses in BALB/c mice. 展开更多
关键词 人巨细胞病毒 DNA疫苗 gb680 pp65m
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HCMV融合表达载体免疫效果的初步研究
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作者 李猛 邵丽军 +1 位作者 郭立君 王宣军 《中国病原生物学杂志》 CSCD 2008年第5期348-350,389,共4页
目的探讨含人巨细胞病毒(human cytomegalovirus,HCMV)AD169株gB680糖蛋白基因和突变的pp65基质蛋白基因(pp65m)DNA疫苗(pVAX1/gB680+pp65m)的免疫效果。方法重组质粒pVAX1/gB680+pp65m转染COS-7细胞,用RT-PCR法和Western blot法检测瞬... 目的探讨含人巨细胞病毒(human cytomegalovirus,HCMV)AD169株gB680糖蛋白基因和突变的pp65基质蛋白基因(pp65m)DNA疫苗(pVAX1/gB680+pp65m)的免疫效果。方法重组质粒pVAX1/gB680+pp65m转染COS-7细胞,用RT-PCR法和Western blot法检测瞬时表达产物;经碱裂解法大量提取质粒pVAX1/gB680+pp65m,经Sepharose 4FF柱层析纯化后免疫BALB/c小鼠(SPF),并通过ELISA法和脾淋巴细胞转化实验检测小鼠的体液免疫和细胞免疫应答效果。结果重组质粒pVAX1/gB680+pp65m能够在真核细胞中表达,表达蛋白的分子质量单位约为124 ku,且能被抗HCMV血清识别。用该重组质粒第2次免疫后第3 d受试小鼠开始产生抗HCMV抗体,第2次免疫后第8周,淋巴细胞转化试验SI值为1.951±0.112,对照组为1.095±0.060,差异有统计学意义。结论含HCMVAD169株gB680糖蛋白基因和突变pp65蛋白基因的DNA疫苗能诱导BALB/c小鼠产生一定强度的体液免疫和细胞免疫应答。 展开更多
关键词 人巨细胞病毒 DNA疫苗 gb680 pp65m
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