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GenWay/Rubella Virus IgM μ-capture ELISA/GWB-1D2E67/1x96 Assays
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4000-520-616
Description:
PleaseclickhereforMSDSPDFDatasheetProductName:RubellaVirusIgMμ-captureELISA
#ofSamples:1x96Assays
IntendedUse:TheRubellaVirusIgMμ-capture-ELISAisintendedforthequalitativedeterminationofIgMclassantibodiesagainstRubellaVirusIgMinhumanserum.
Introduction:RubellaisanenvelopedRNAvirusbelongingtothetogaviruses.Ithasasphericalshapemeasuringabout50-70nmindiameter.Thereappearstobeonlyoneantigenictype,andnocross-reactivitywithalphavirusesorothermembersofthetogavirusgrouphasbeenfound.Rubellavirusesarepathogensoftherespiratorytractandtransmittedmainlybydropletinfection.Rubellaisaworldwidecommoncontagiousdiseasewithmildconstitutionalsymptomsandageneralizedrush.Inchildhood,itisaninconsequentialillness,butwhenitoccursduringpregnancy,thereisasignificantriskofseveredamagetothefetus.Theriskofcongenitalrubelladependsprimarilyonthemonthofpregnancyinwhichinfectionisacquired:overall,app.16%ofinfantshavemajordefectsatbirthfollowingmaternalrubellainthefirst3monthsofpregnancy.Congenitalrubellainfectionmayleadtoasyndromewithsingleormultipleorganinvolvements,knownasembryopathiarubeolosa.Insomecasesinfectionisinapparentbutresultsinconsequentialdamagesaseyedefects,deafness,growthretardation,andothers.Naturallyacquiredimmunityusuallyislong-lasting,butreinfectionispossIBLeduetodecreasinglevelsofcirculatingantibodies.Forimmunizationavaccinecontaininglivevirusisused.
Infectionmaybeidentifiedby
DetectionofvirusbyPCR(prenatal)
Hemagglutinationinhibition(HAI),Haemolysis-in-geltest(HiG)
DetectionofantibodiesbyEIA,ELISA
Measurementofantibodiesintheserumisimportantforthedeterminationoftheimmunestatus.Evenapreviousinfectionthoughratherovertmaynotyieldalong-lastingimmunity,butmayresultinanantibodytitertoolowtopreventreinfection.Especiallythescreeningofadolescentsandyoungwomenshouldbeamandatoryroutineinprenatalcare.
Principlesoftheassay:ThequalitativeimmunoenzymaticdeterminationofIgM-classantibodiesagainstRubellaVirusisbasedontheELISA(Enzyme-linkedImmunosorbentAssay)technique.TheRubellaVirusIgMELISAisanIgMμ-captureELISA.Theplatesarecoatedwithanti-humanIgM.AfterwashingthewellstoremoveallunboundsamplematerialhorserADIshperoxidaselabelledRubellavirusantigenconjugateisadded.ThisconjugatebindstothecapturedRubella-specificantibodies.TheimmunecomplexformedbytheboundconjugateisvisualizedwithTetramethylbenzidine(TMB)substratewhichgivesabluereactionproduct.TheintensityofthisproductisproportionaltotheamountofRubella-specificIgMantibodiesinthespecimen.Sulfuricacidisaddedtostopthereaction.Thisproducesayellowendpointcolour.Absorbanceat450nmisreadusinganELISAmicrowellplatereader.
StorageandStABIlity:Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2...8°C.
LimitationsoftheTest:Bacterialcontaminationorrepeatedfreeze-thawcyclesofthespecimenmayaffecttheabsorbancevalues.Diagnosisofaninfectiousdiseaseshouldnotbeestablishedonthebasisofasingletestresult.Aprecisediagnosisshouldtakeintoconsiderationclinicalhistory,symptomatologyaswellasSEROlogicaldata.
Inimmunocompromisedpatientsandnewbornsserologicaldataonlyhaverestrictedvalue.
ReferencesReefSe.,FreyTk.,TheallK.,AabernathyE.,BurnettCl.,IcenoglJ.,McCauleyMm.,WhartonM.Thechangingepidemiologyofrubellainthe1990s:onthevergeofeliminationandnewchallengesforcontrolandprevention.JAMA.2002Jan23-30;287(4):464-72.MezzasomaLBacarese-HamiltonT.,DiChristinaM.,RossiR.BistoniF.,CrisantiA.Antigenmicroarraysforserodiagnosisofinfectiousdiseases.ClinChem.2002Jan;48(1):121-30.CooperLz.Currentlessonsfrom20thcenturyserosurveillancedataonrubella.ClinInfectDis.2001Oct15;33(8):1287.SignoreC.Rubella.Prim.CareUpdateObGyns.2001Jul;8(4):133-137.WeberB.Currentdevelopmentsinthelaboratorydiagnosisofrubella.BullSocSciMedGrandDucheLuxemb.1997;134(2):31-41.ThomasHI,BarrettE,HesketLM,WynneAandMorgan-CapnerP.SimultaneousIgMreactivitybyEIAagainstmorethanonevirusinmeasles,parvovirusB19andrubellainfection;JournalofclinicalVirology1999,14:107118.PinskyNA,HuddelstonJM,JacobsonRM,WollanPCandPolandGA.Effectofmultiplefreeze-thawcyclesondetectionofmeasles,mumps,andrubellavirusantibodies;Clin.Diagn.Lab.Immunol.2003,10(1):19-21.TipplesGA,Hamkar,R,Mohktari-AzadT,GrayM,BallJ,HeadCandRatnamS;EvaluationofrubellaIgMenzymeimmunoassays.J.Clin.Virol.2004,30:233-238.
AdditionalInformation:
| Name | RubellaVirusIgMμ-captureELISA |
|---|---|
| RelatedProductNames | RubellaVirusIgMμ-captureELISA |
| Storage | Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2...8°C. |
| IntendedUse | ResearchUseOnly |

