吉林农业大学学报
吉林農業大學學報
길임농업대학학보
JOURNAL OF JILIN AGRICUL TURAL UNIVERSITY
2015年
2期
226-231,236
,共7页
孙婷%张星星%余胜超%刘刚%尹继刚
孫婷%張星星%餘勝超%劉剛%尹繼剛
손정%장성성%여성초%류강%윤계강
微小隐孢子虫%TSP3%原核表达%多克隆抗体%细胞黏附
微小隱孢子蟲%TSP3%原覈錶達%多剋隆抗體%細胞黏附
미소은포자충%TSP3%원핵표체%다극륭항체%세포점부
Cryptosporidium parvum%TSP3%prokaryotic expression%polyclonal antibody%cell ad-hesion
通过对微小隐孢子虫TSP3基因克隆构建原核表达载体,纯化TSP3 His?tag重组蛋白质免疫新西兰家兔,间接ELISA方法检测特异性血清效价并纯化多克隆抗体。纯化TSP3 GST?tag重组蛋白质并与HCT?8细胞进行共孵育,通过Western blot与间接ELISA 检测细胞黏附特性。结果表明:成功构建了微小隐孢子虫pET?TSP3和pGEX?TSP3重组表达质粒,并用亲和层析法成功纯化出较高质量的重组蛋白质。 CpTSP3重组蛋白质具有良好免疫原性,并能与HCT?8细胞黏附。
通過對微小隱孢子蟲TSP3基因剋隆構建原覈錶達載體,純化TSP3 His?tag重組蛋白質免疫新西蘭傢兔,間接ELISA方法檢測特異性血清效價併純化多剋隆抗體。純化TSP3 GST?tag重組蛋白質併與HCT?8細胞進行共孵育,通過Western blot與間接ELISA 檢測細胞黏附特性。結果錶明:成功構建瞭微小隱孢子蟲pET?TSP3和pGEX?TSP3重組錶達質粒,併用親和層析法成功純化齣較高質量的重組蛋白質。 CpTSP3重組蛋白質具有良好免疫原性,併能與HCT?8細胞黏附。
통과대미소은포자충TSP3기인극륭구건원핵표체재체,순화TSP3 His?tag중조단백질면역신서란가토,간접ELISA방법검측특이성혈청효개병순화다극륭항체。순화TSP3 GST?tag중조단백질병여HCT?8세포진행공부육,통과Western blot여간접ELISA 검측세포점부특성。결과표명:성공구건료미소은포자충pET?TSP3화pGEX?TSP3중조표체질립,병용친화층석법성공순화출교고질량적중조단백질。 CpTSP3중조단백질구유량호면역원성,병능여HCT?8세포점부。
By cloning Cryptosporidium parvum TSP3, prokaryotic expression vector was constructed, and to immunize New Zealand rabbits, TSP3?His tag of recombinant protein was purified. By indirect ELISA method, specific serum titers were detected and polyclonal antibodies were purified. The pu?rified TSP3?GST tag of recombinant protein was incubated with HCT?8 cells by Western blot and in?direct ELISA cell adhesion properties. This study successfully constructed Cryptosporidium parvum pET?TSP3 and pGEX?TSP3 recombinant plasmid, and by affinity chromatography successfully puri?fied recombinant proteins of high quality. CpTSP3 recombinant proteins are of good immunogenicity and can bind HCT?8.