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Experimental study on the immuneresponses in H-2b mice immunized byrecombinant HBsAg vaccine and DNA vaccines of HBV large, middle and major envelope genes

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Author:: No author available

Journal Title:: WORLD CHINESE JOURNAL OF DIGESTOLOGY

Issue:: 2

DOI:: 10.3969/j.issn.1009-3079.2002.02.004

Key Word:: No keyword available

Abstract：目的:观察重组乙肝疫苗及乙型肝炎病毒(HBV)表面抗原DNA疫苗接种后,C57BL/6(H2b)小鼠的免疫应答.方法:构建质粒pVR1012-L,pVR1012-M,pVR1012-S.转染COS7细胞系进行表达.将C57BL/6小鼠分为5组,分别接种质粒pVR1012-L,pVR1012-M,pVR1012-S,pVR1012 100μg及重组乙肝疫苗1μg.ELISA法检测小鼠血清抗-HBs.结果:DNA疫苗在转染细胞中可表达HBsAg.血清抗-HBs在第一次接种重组乙肝疫苗后即可检出,而在DNA疫苗组则未检出.此后重组疫苗组诱导的抗-HBs的滴度与DNA疫苗组相似.结论:HBV表面抗原DNA疫苗在H-2b小鼠试验中有体液免疫原性.

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