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时间:2020-04-21
《传染性胰坏死病毒双抗体夹心 ELISA检测方法的建立-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第44卷第4期淡水渔业2014年7月Vo1.44NO.4FreshwaterFisheriesJu1.2014传染性胰坏死病毒双抗体夹心ELISA检测方法的建立张琳琳,连科迅,张英,蒋烨,姜艳萍,崔文,乔薪瑗,唐丽杰,李一经,刘敏(1.东北农业大学动物科学与技术学院,哈尔滨150030;2.东北农业大学动物医学学院,哈尔滨150030)摘要:以纯化的兔抗传染性胰坏死病病毒(IPNV)VP2重组蛋白多克隆抗体为包被抗体,抗IPNVVP2单克隆抗体为检测抗体建立了IPNV双抗体夹心ELISA方法。优化反应条件为:兔抗IPNVVP2重组蛋白多克隆抗体包被浓度为1.28mL,抗IPNVVP2单
2、克隆抗体的工作浓度为1.34g/mL,酶标二抗稀释比例为1:2000,以P/N>2,且OD>0.101494作为阳性判定标准。该方法的重复性变异系数均小于10%,与传染性造血器官坏死病毒(IHNV)、病毒性出血败血症病毒(VHSV)、鲤春病毒血症病毒(SVCV)、轮状病毒(HRV)无交叉反应。对41份虹鳟肝脏样品分别进行双抗体夹心ELISA和RT—PCR检测,结果双抗体夹心法与RT.PCR法检测符合率为97%,表明本实验建立的双抗体夹心ELISA检测方法检测IPNV具有较高的敏感性和特异性,可用于IPNV的病原学检测。关键词:传染性胰坏死病毒;双抗体夹心ELISA检测方法;单克隆抗体;
3、兔抗血清中图分类号:$941.41文献标识码:A文章编号:1000—6907一(2014)04-0057-06DevelopmentofadoubleantibodysandwichELISAfordetectionofinfectiouspancreaticnecrosisvirusZHANGLin—lin,LIANKe—xun,ZHANGYing,JIANGYe,JIANGYan—ping,CUIWen,QIAOXin—yuan,TANGLi-jie,LIYi-jing,LIUMin(1.CollegeofAnimalScienceandTechnology,NortheastAg
4、riculturalUniversity,Harbin150030,China;2.CollegeofVeterinaryMedicine,rtheastAgriculturalUniversity,rbin150030.ina)Abstract:Adouble—antibodysandwichELISA(DAS—ELISA)wasdevelopedusingpurifiedpolyclonalantibodyandmono—clonalantibody(MAb)againstviralinfectiouspancreaticnecrosisvirus(IPNV)VP'2protein
5、ascaptureanddetectoranti·body,respectively.Theoptimizedreactionconditionsincludedcoatingwith100ixL/wellofpurifiedpolyclonalantibodyatconcentrationof1.28mL,probingwiththeworkingconcentrationof1.34mLIgGfromtheMAbdilutingHRP—conjugatedantibodywiththeproportionof1:2000andjudgingwithP/N>2andOD49o=0.1
6、01494aspositivecriteria.TheDAS—ELISAwasspecificdetectionofIPNV,butnocross—reactionwithIHNV,VHSV,SVCV,HRVandinter—assaycoeficientofvariabilitywerewithin10%.Inaddition,atotalof41liversofrainbowtroutsamplesweretestedbytheI)AS—ELISAandPT—PCR.andthecoincidencewas97%betweenDAS.ELISAandPT—PCR.Thesedata
7、demonstratedthattheDAS—ELISAwasspecificandsensitive,andprovidedausefultoolfordiagnosisofIPNVinfection.Keywords:infectiouspancreaticnecrosisvirus;doubleantibodysandwichELISA;MAb;rabbitantisera传染性胰坏死病病毒(infectiouspancreaticnec
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