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GenWay/Respiratory syncytial Virus IgM/GWB-EBC66A/1x96 Assays
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4000-520-616
Description:
ProductName | RespiratorySyncytialVirusIgM-ELISA. |
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#ofSamples | 1x96Assays. |
IntendedUse | TheRSVIgM-ELISAisintendedforthequalitativedeterminationofIgMclassantibodiesagainstRespiratorySyncytialVirusinhumanserumorplasma(citrate). |
Introduction | Respiratorysyncytialvirus(RSV)isanegative-sense,envelopedRNAvirusandbelongstothefamilyofparamyxoviridae.RSVinfectionisadiseaseoftherespiratorytractwithvariouscharacteristics. Infectionofchildrencausesseriousbronchiolotiswhileadultsgetonlymildinfectionsoftheupperrespiratorysystem.Seriouscomplicationsarefrequentlyobservedinspecialriskgroupslikeprematureinfants,bABIes,olderpeopleandpersonswithchroniclediseasesoftherespiratorytract. Respiratorysyncytialvirusinfectscellsoftheepitheliaoftheupperrespiratorytractundcausesnecrosisbycellfusion,incombinationwithinflammatoryexudatesandblockageoftherespiratorysysteminseriousproblemscanoccur.IfthevirusgoesdowntothelowerrespiratorytractformationofoedemaandaveolarcollapsearepossIBLe. Thevirusisspreadallovertheworldandhighlycontagious.MostinfantsbecomeinfectedwithRSVintheirfirstwinterseason;between25%and40%havesignsorsymptomsofbronchiolitisorpneumonia,and0.5%to2%requirehospitalization.MostchildrenwillhaveSEROlogicalevidenceofRSVinfectionby3yearsofage.RSValsocausesrepeatedinfectionsthroughoutlife,usuallyassociatedwithmoderate-to-severecold-likesymptoms. Thepresenceofvirusresp.infectionmaybeidentifiedby
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Principlesoftheassay | ThequalitativeimmunoenzymaticdeterminationofIgM-classantibodiesagainstRespiratorySyncytialVirus(RSV)isbasedontheELISA(Enzyme-linkedImmunosorbentAssay)technique. MicrotiterstripwellsareprecoatedwithRespiratorySyncytialVirus(RSV)antigenstobindcorrespondingantibodiesofthespecimen.AfterwashingthewellstoremoveallunboundsamplematerialhorserADIshperoxidase(HRP)labelledanti-humanIgMconjugateisadded.ThisconjugatebindstothecapturedRespiratorySyncytialVirus(RSV)specificantibodies.TheimmunecomplexformedbytheboundconjugateisvisualizedbyaddingTetramethylbenzidine(TMB)substratewhichgivesabluereactionproduct.TheintensityofthisproductisproportionaltotheamountofRespiratorySyncytialVirus(RSV)specificIgMantibodiesinthespecimen.Sulphuricacidisaddedtostopthereaction.Thisproducesayellowendpointcolour.Absorbanceat450nmisreadusinganELISAmicrowellplatereader. |
StorageandStability | Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2-8°C. |
LimitationsoftheTest | Bacterialcontaminationorrepeatedfreeze-thawcyclesofthespecimenmayaffecttheabsorbancevalues.Diagnosisofaninfectiousdiseaseshouldnotbeestablishedonthebasisofasingletestresult.Aprecisediagnosisshouldtakeintoconsiderationclinicalhistory,symptomatologyaswellasserologicaldata. Inimmunocompromisedpatientsandnewbornsserologicaldataonlyhaverestrictedvalue. |
References | Wiegand,R.:RespiratorySyncytialVirus(RSV).In:Brandis,H.,W.Kohler,H.J.Eggers,G.Pulverer(ed.):Med.MikroBIOLOGie1994.GustavFischerVerlagStuttgart,Jena,NewYork(1994)767-769Wiegand,R.:RespiratorySyncytialVirus(RSV).In:Brandis,H.,W.Kohler,H.J.Eggers,G.Pulverer(ed.):Med.Mikrobiologie1994.GustavFischerVerlagStuttgart,Jena,NewYork(1994)767-769Hall,C.B.,etImmunitytoandfrequencyofreinfectionwithRespiratorySyncytialVirus.J.Infect.Dis.163(1991)693-698Hohlberg,C.J.,etal.:RiskfactorsforRespiratorySyncytialVirusassociatedlowerrespiratoryillnessintheyearoflife.Am.J.Epidemiol.133(1991)1135-1151Meurmann,O.,etal.:DiagnosisofRespiratorySyncytialVirusinfectioninchildren:comparisonofviralantigendetectionandserology.J.Med.Virol.14(1984)61-65Parrot,R.H.,etal.:RespiratorySyncytialVirusII.Serologicstudiesovera34monthperiodofchildrenwithbronchiolitis,pneumonia,andminorrespiratorydisease.J.Am.Med.Ass.176(1961)653-657Schumacher,R.F.:DieRSV-InfektiondesFrühgeborenen:NosologieundnosokomialeEpidemiologien.Diss.,Freiburg(1990) |
AdditionalInformation:
Name | RespiratorysyncytialVirusIgM |
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RelatedProductNames | RespiratorySyncytialVirusIgM-ELISA |
MolecularWeight | 0.5 |
Storage | Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2...8°C. |
IntendedUse | ResearchUseOnly |