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1、第36卷第8期中國預(yù)防獸醫(yī)學(xué)報(bào)Vo1.36.No.82014年8月ChineseJournalofPreventiveVeterinaryMedicineAug.2014doi:10.3969~.issn.1008-0589.2014.08.16馬動(dòng)脈炎病毒雙抗體夾心ELISA檢測方法的建立胡月1,2,戚亭,趙世華,關(guān)平原,王曉鈞(1.內(nèi)蒙古農(nóng)業(yè)大學(xué)獸醫(yī)學(xué)院/農(nóng)業(yè)部動(dòng)物疾病臨床診療技術(shù)重點(diǎn)實(shí)驗(yàn)室,內(nèi)蒙古呼和浩特010018;2.中國農(nóng)業(yè)科學(xué)院哈爾濱獸醫(yī)研究所獸醫(yī)生物技術(shù)國家重點(diǎn)實(shí)驗(yàn)室/馬傳染病與慢病毒創(chuàng)新團(tuán)隊(duì),黑龍江哈爾濱1500
2、01)摘要:為建立馬動(dòng)脈炎病毒(EAV)的快速檢測方法,本實(shí)驗(yàn)以EAVN蛋白單克隆抗體(MAb)2B9為捕獲抗體,辣根過氧化物酶(HI)標(biāo)記的EAVN蛋白MAb2B3(HRP.2B3)為檢測抗體,建立EAV雙抗體夾心ELISA檢測方法。結(jié)果顯示,該方法的最佳工作條件為:MAb2B9的包被濃度為2~g/mL,HRP一2B3的工作濃度為2~g/mL,以O(shè)D45onm0.124為陽性判定標(biāo)準(zhǔn)。該方法對馬傳染性貧血病毒、馬皰疹病毒I型和IV型、馬流感病毒等均無交叉反應(yīng),特異性好;最低檢出限為病毒標(biāo)準(zhǔn)品200倍稀釋(1OTCID。),敏感性
3、高。3次重復(fù)試驗(yàn)建立的標(biāo)準(zhǔn)曲線的相關(guān)系數(shù)(R21均大于0.997。本實(shí)驗(yàn)建立的EAV雙抗體夾心ELISA方法具有特異性好、敏感性高等優(yōu)點(diǎn),適于EAV的快速檢測。關(guān)鍵詞:馬動(dòng)脈炎病毒;雙抗體夾心ELISA;單克隆抗體;檢測中圖分類號:$852.65文獻(xiàn)標(biāo)識碼:A文章編號:1008.0589(2014)08.0651-04DevelopmentofadoubleantibodysandwichELISAfordetectionofequinearteritisvirusHuYue,一,QITing2,zHA0Shi-hua,GuANP
4、ing-yuan,NGXiao-jun(1.KeyLaboratoryofClinicalDiagnosisandTreatmentTechnologyinAnimalDisease,MinistryofAgriculture,CollegeofVeterinaryMedicine,InnerMongoliaAgricultrualUniversity,Hohhot010018,China;2.DivisionofLivestockInfectionsDisease,StateKeyLaboratoryofVeterinaryBi
5、otechnology,HarbinVeterinaryResearchInstitute,ChineseAcademyofAgriculturalSciences,Harbin150001,China)Abstract:TodevelopamethodforEAVdetection,adouble—antibodysandwichELISA(DAS—ELISA)wasdevelopedusingMAb2B9againstEAVnucleoproteinascaptureantibodyandMAb2B3conjugatedtoH
6、RP(HRP一2B3)asdetectingantibodyundertheoptimizedreactionconditionsofcoatingwithMAb2B9at2ixg/well,detectingwithHRP一2B3at2~g/wellwithacutoffvalueof0.124(OD45m.ThespecificitytestshowntheDAS·ELISAwasspecificallydetectedEAVwithadetectionlimitof10。TCID5o,butnocrossing—reacti
7、ontoequineherpesvirusI,equineherpesvirusIV,equineinfluenzavirusandequineinfectiousanemiavirus.Inaddition,thestandardcHIveofEAVquantificationbytheDAS—ELISAhadlinearcorrelationwiththreetimesrepeatedtestsandtheRwereabove0.997.TheseresultsdemonstratedthattheDAS—ELISAmetho
8、dwasspecificandsensitive.whichhadapotentialtobeapplicablefortheEAVdetectioninhorse.Keywords:equinearteritisvirus;double—anti