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1 个结果
  • 简介:ToselecttheimmunogenicshortpeptidemimicsofmalewormoriginofSchistosomajaponicum(Sj)andtoexploretheirprotectioneffectagainstschistosomiasisinmice,therandomphagedisplaypeptidehbraryof12-merwasscreenedwithIgGtosolublemalewormantigenofSj,andthespecificpositiveclonesselectedthroughthreeroundsofscreeningsweredetectedbyDot-ELISA,andtheninjectedsubcutaneouslyintomiceforvaccinationandprotectionassessmentagainstSj.Itwasfoundthat18randomlypickedphagedisplayedclonesallshoweddefiniteantigenicitywithvariousintensities.Thepooledphagesdisplayedclonescouldinduceproductionofspecificantibodiesandcause31.72%ofwormreductionrateand51.54%ofeggreductionrateinmice,revealingasignificantdifference(P<0.001)incomparisonwiththoseofthecontrols.ItconcludesthattheshortpeptidemimicsofmalewormoriginofSjobtainedbyaffinityscreeningphagedisplayptidelibrarycanelicitpartialprotectionagainstthispathogen.

  • 标签: 噬菌体 展示技术 筛选方法 日本血吸虫 雄虫源性 免疫学