期刊文献+

展示日本乙型脑炎病毒B细胞表位和T细胞表位的猪细小病毒病毒样颗粒的制备 被引量:6

Construction of porcine parvovirus-like particles harboring B cell and T cell epitopes of Japanese encephalitis virus
原文传递
导出
摘要 为增强日本乙型脑炎病毒表位疫苗的免疫原性,提高其免疫效果,将日本乙型脑炎病毒(JEV)E蛋白中编码的B细胞表位(150~156aa,307~316aa,327~333aa,386~399aa)及T细胞表位(60~68aa,436~445aa)序列连接于猪细小病毒(PPV)VP2的5′端,并插入到原核表达质粒pCold-Ⅰ中,构建成重组质粒pMEP-VP2,转化大肠杆菌BL21(DE3),使重组蛋白MEP-VP2得到表达。Western-blot分析表明,表达产物能被抗JEV多抗和抗PPV多抗识别。电镜观察显示,表达的重组蛋白MEP-VP2能够在体外自我组装成病毒样颗粒PPV-VLP(JEV)。结果表明,N端连接JEV的多表位肽的猪细小病毒的VP2蛋白能体外组装成有活性的病毒样颗粒。 To improve the immunogenicity of Japanese encephalitis virus(JEV) epitope vaccine, the gene fragments encoding B-cell epitopes(aa 150--156, aa 307--316,aa 386--399) and T cell epitopes(aa 60 --68,aa 436--445) of JEV were assembled with VP2 gene of porcine parvovirus(PPV) and inserted into plasmid pCold- I to construct recombinant plasmid pMEP-VP21. The resulted plasmid was transformed into E. coli BL21(DE3) to express the recombinant protein. The expression product was detected by Westernblot. In result, the recombinant protein could be distinguished by anti-JEV polyclonal antibody and anti- PPV polyclonal antibody. In addition,the virus-like particles of PPV-VLP(JEV) was observed by electron microscopy.
出处 《中国兽医科学》 CAS CSCD 北大核心 2013年第4期358-363,共6页 Chinese Veterinary Science
基金 国家国际科技合作项目(2010DFB33920) 中央级公益性科研院所基本科研业务费专项(2013JB08) 上海农林职业技术学院院级科研项目(091227)
关键词 日本乙型脑炎病毒 猪细小病毒 病毒样颗粒 porcine parvovirus Japanese encephalitis virus virus-like particle
  • 相关文献

参考文献1

二级参考文献18

  • 1萨姆布鲁克J 弗里奇EF 曼尼阿蒂斯T.分子克隆实验指南[M]:第2版[M].北京:科学出版社,1997.363-370.
  • 2MARTINEZ C, DALSGAARD K, LOPEZ de TURISO J A,et al. Production of porcine parvovirus empty capsids with high immunogenic activity[J]. Vaccine, 1992, 10(10): 684-690.
  • 3SEGALESJ, PASTOR J, CUENCA R, et al. Haematologieal parameters in postweaning multisystemic wasting syndrome-affected pigs[J]. Vet Rec, 2000, 146: 675-676.
  • 4ELLIS J A, BRATANICH A, CLARK E G, et al. Coinfection of porcine circoviruses and porcine parvovirus in pigs with naturally acquired postweaning multisystemic wasting syndrome[J]. J Vet Diagn Invest, 2000, 12: 21-27.
  • 5QUINTANA J, SEGALDS J, ROSELL C, et al. Clinical and pathological observations on pigs with postweaning multisystemic wasting syndrome [J]. Vet Rec, 2001, 149:357-361.
  • 6CAN-ASCO L, SEGALIS J, BAUTISTA M J, et al. Intestinal chlamydial infection concurrent with postw caning multisystemie wasting syndrome in pigs[J]. Vet Rec, 2000, 146: 21-23.
  • 7LEKCHAROENSUK P, MOROZOV I, PAUL P S, et al. Epitope mapping of the major capsid protein of type 2 porcine circovirus (PCV2) by using chimeric PCV1 and PCV2[J]. J Virol, 2004,78:8 135-8 145.
  • 8CASAL J I, RUEDA P, HURTADO A. Parvoviruslike particles as vaccine vectors[J]. J Virol Methods, 1999, 19.. 174-186.
  • 9SEDLIK C,JARON M,SARRASECA J, et al. Recombinant parvovtrus-like particles as an antigen earrier:a novel nonreplicative exogenous antigen to elicit protective antiviral cytotoxic T cells[J]. Proc Natl Aead Sci USA, 1997, 94(14):7 503-7 508.
  • 10SEDLIK C, DRIDI A, DERIAUD E, et al. Intranasat delivery of recombinant parvovirus-like particles elicits eytotoxic T-cell and neutralizing antibody responses[J]. J Virol, 1999, 73(4):2 739-2 744.

共引文献20

同被引文献43

引证文献6

二级引证文献17

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部