Thisassaykitisusedtoevaluateglutathioneperoxideactivityinvitro.Itisforresearchuseonly.Notforuseinanimals,humans,ordiagnosticprocedures.
Glutathioneperoxidase(GPx)isanantioxidantenzymelocatedincytoplasmaandmitochondria.Itcatalyzesthereductionofhydrogenperoxide(H2O2)andavarietyoforganichydroperoxides(R-O-O-H)towaterandthecorrespondingstablealcohols(R-OH)usingglutathioneasthereducingreagent,thusinhibitingtheformationoffreer
ADIcalsandprotectingthecellsfromoxidativedamage.The
SciencellGPxAssayprovidesanindirectmethodtoquantifytheactivityoftotalglutathioneperoxidase.Inthisassay,oxidizedglutathione,produceduponreductionofperoxidesubstratebyglutathioneperoxidase,isthenrecycledbacktoglutathioneusingglutathionereductaseandNADPH.TheoxidationofNADPHtoNADP+ismonitoredbyadecreaseintheabsorbanceat340nm.Sinceallotherreagentsareprovidedinexcess,theGPxactivityisrate-limiting.TherateofdecreaseinA340nmisdirectlyproportionaltotheGPxactivity.Inthisassay,cumenehydroperoxideisusedastheperoxidesubstrate,sothetotalGPx(seleniumandnon-seleniumcontaining)activityinavarietyofsamplescanbemeasured.
Specifications:
CatalogNo. | 8238 |
CountryofManufacture | UnitedStates |
ProductCode | GPx |
Size/Quantity | 100tests |
ProductUse | Thisassaykitisusedtoevaluateglutathioneperoxideactivityinvitro.Itisforresearchuseonly.Notforuseinanimals,humans,ordiagnosticprocedures. |
Storage | -20°C |
ShippingInfo | Dryice. |
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