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HBV重组抗原表位抗原性的研究 被引量：1

Antigenicity of HBV recombinant epitope
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摘要 目的在外源抗原表位表达载体系统中构建并表达HBV抗原表位,并对其抗原性进行研究。方法人工合成编码HBV“a”抗原决定簇表位中24个氨基酸(S124-147)的寡核苷酸序列,克隆入外源抗原表位表达载体系统FHV-RNA2-I位点,构建重组质粒,在原核pET系统(BL21细胞)中表达。以表达产物为包被抗原对其抗原性进行研究。结果嵌和蛋白与抗-HBs血清可发生特异性结合反应。结论在外源抗原表位表达系统中表达的HBV抗原表位具有良好的抗原性。 Objective To construct and express HBV recombinant epitope in a foreign epitope presenting vector, and to study antigenieity of HBV epitope. Methods Oligonucleotide sequences encoding 2A amino acids （aaS124- 147） within ＇a＇ antigenic deteminant were synthesized and inserted into a foreign epitope-presenting carrier I3 site （FHV-RNA2-eDNA-I3）. HBV epitope was expressed in a prokaryotie cellular system （BL21 cell）. The expression product was analyzed and its antigenieity was further studied by ELISA and Western blot method with chimeric protein as coating antigen. Results The chimeric protein could reacted with anti-HBs sera specially. Conclusion HBV epitopes expressed in a foreign epitope-presenting carder possess good antigenicity.
作者 潘云华 周东霞 李嘉琦 陈元鼎
机构地区 大理学院基础医学院医学微生物学与免疫学教研室 中国医学科学院医学生物研究所中心实验室
出处 《免疫学杂志》 CAS CSCD 北大核心 2007年第2期163-165,171,共4页 Immunological Journal
关键词 HBV 抗原表位 抗原性 FHV-RNA2载体系统 HBV Epitope Antigenicity FHV-RNA2 carrier system
分类号 R392 [医药卫生—免疫学]
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参考文献9

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共引文献7

同被引文献18

  • 1潘云华,周东霞,李嘉琦,陈元鼎.乙型肝炎病毒重组抗原表位检测敏感性研究[J].实用医技杂志,2007,14(5):529-531. 被引量：1
  • 2Vesikari T, Matson DO, Dennehy P, etal. Safety and ef ficacy of a pentavalent human bovine (WC3) reassortant rotavirusvaceine[J]. NEnglJMed, 2006, 354 (1): 23 -33.
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免疫学杂志
2007年 第2期

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