中国寄生虫学与寄生虫病杂志 ›› 1999, Vol. 17 ›› Issue (4): 8-217.

• 论著 • 上一篇    下一篇

猪囊尾蚴抗原cC1与γ-干扰素融合蛋白在大肠杆菌中的表达

郭瀛军,吴丹,孙树汉
  

  1. 第二军医大学医学遗传学教研室 上海 200433
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1999-08-30 发布日期:1999-08-30

FUSION EXPRESSION OF PORCINE IFN-γ AND CYSTICERCUS CELLULOSAE ANTIGEN cC1 IN ESCHERICHIA COLI CELLS

GUO Yingjun;WU Dan;SUN Shuhan

  

  1. Department of Medical Genetics;Second Military Medical University;Shanghai 200433
  • Received:1900-01-01 Revised:1900-01-01 Online:1999-08-30 Published:1999-08-30

摘要:   目的: 构建含猪囊尾蚴抗原c C1 c D N A 与猪γ干扰素( I F Nγ) 的融合表达载体。方法: 从已克隆的含人猪囊尾蚴共通抗原c C1 的质粒中, 用 P C R 方法扩增出含酶切位点及接头的c C1 和 I F Nγc D N A, 两c D N A 经接头融合后构建成融合形式的原核表达载体转入大肠杆菌 X L Blue。结果: 经酶切分析, 表明重组载体中含15kb 插入片段。 S D S P A G E 显示一52 k Da 的诱导产物。结论: 猪 I F Nγ和猪囊尾蚴抗原c C1 融合c D N A 在大肠杆菌中获得表达。

关键词: 囊尾蚴病, 融合蛋白, γ-干扰素

Abstract:  AIM: To construct an expression vector,including a chimeric cDNA of porcine IFN-γ and Cysticercus cellulosae antigen cC1. METHODS: DNA fragments of porcine IFN-γ and cC1 including linkers were generated by polymerase chain reaction(PCR).The recombinant vector pJLA-PRcC1 was constructed by inserting a chimeric cDNA of porcine IFN-γ and Cysticercus cellulosae antigen cC1,and transformed to E.coli XL-Blue. RESULTS: The recombinant vector was identified by restriction analysis.An inserted fragment about 1.5 kb could be found.After induction,a 52 kDa new protein band appeared in SDS-PAGE. CONCLUSION: The fusion expression of porcine IFN-γ and cC1 antigen in Escherichia coli cells is successful.\;

Key words: Cysticercosis, fusion protein, IFN-γ