Description
RecombinantHumanInterleukin21(IL21)isabioactiveproteinintendedforuseincellcultureapplications.IL21R,isatypeIcytokinereceptorandismostcloselyrelatedtoIL-2RbandIL-4Ra.TheIL21/IL21RinteractionappearstoplayimportantrolesinBandT-cellproliferationafterantigenstimulationandNKcellmaturation.
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Highpurity—nointerferencefromotherproteinsorcontaminants
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HighBIOLOGicalactivity—moreresultswithlessprotein
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Provencompatibility—
Gibco®proteinsbioassayedwithGibco®media
HighPurityRecombinantBioactiveProteinRecombinantHumanInterleukin21isoneofourmorethan250availableGibco®recombinantproteins.TohelpensureGibco®growthfactorsareofthehighestquality,eachproteinisanalyzedforpurityalongwithstructuralhomogeneitytoensureabiologicallyactiveprotein.
HighBiologicalActivityIn-houseactivitytestingofGibco®RecombinantProteinsincludescellproliferation,cytotoxicity,chemotaxis,calciumflux,secondarycytokineup-regulation,inductionofsurfaceantigenexpression,antiviral,andproteaseassays.RecombinantHumanInterleukin21(IL21)specificactivityisdeterminedbythedose-dependentsecretionofInterferongammabyhumannaturalkillerlymphomaNK-92cells.
ProvenCompatibilityGibco®proteinsarebioassayedwithGibco®media.Since1962,Gibco®hasbeentheconsistentproviderofhighqualitymedia,reagents,andseraforreliablecellculture.
SeeourselectionofrecombinantGibco®growthfactors.
ForResearchUseOnly.Notintendedforanimalorhumandiagnosticortherapeuticuse.
ForResearchUseOnly.Notforuseindiagnosticprocedures.