ProductDescription:
- Endotoxin-free
- Animal-derivedproductfree
- AvailableinBulk
- AuthenticGlycosylation
- LyophilizedandCarrierFree(CF)
Xeno-freeIL-1betaHuXpexpressedinhuman293cellshasaveryhighactivitywithatypicalEC50of≤0.1ng/mLusingabioassaytomeasurestimulationoftheproliferationofmouseD10Scells.IncomparisonwiththeE.coliexpressedprotein,IL-1betais50%morepotentpromotinghumanCD4+TcelldifferentiationintoTh17cells.Thiscytokineisimportantforinflammatoryresponses.Itisalsoinvolvedinavarietyofcellularactivitieswhichincludescelldifferentiation,proliferation,andapoptosis.Itisproducedinaserum-free,chemicallydefinedmedia.
TechnicalSpecifications:
- Species:Human
- Expression:HEK293CellExpressed
- Activity:Typically≤0.1ng/mLEC50
- Purity:>95%
- Endotoxin:<1EU/µg
- MolecularMass:18and25kDa,monomer,glycosylated
- Formulation:1xPBS
PurityConfirmation:
TheproteinwasresolvedbySDS-polyacrylamidegelelectrophoresisandthegelwasstainedwithCoomassieblue.
ActivityAssay:
Theactivitywasdeterminedbythedose-dependentstimulationoftheproliferationofmouseD10Scells.
ReconstitutionBuffer:
Brieflycentrifugethevialbeforeopening.Itisrecommendedtoreconstitutetheproteininsterile1xPBScontaining0.1%endotoxin-freerecombinanthumanserumalbumin(HSA).