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Other_recombinant_protein >
HumanZyme/LIF (Leukemia Inhibitory Factor)/HZ-1293/100 µg
ProductDescription:
- Animal-derivedproductfree
- AvailableinBulk
- HighActivity
LIFHuXpisapleiotropicfactorproducedbynumerouscelltypeswhichincludesmyelomonocyticlineages,Tcells,fibroblasts,melanoma,liver,andheart.LIFpromoteslong-termmaintenanceofembryonicstemcellsbysuppressingspontaneousdifferentiation.Otheractivitiesincludethestimulationofacutephaseproteinsynthesisbyhepatocytes,stimulationofdifferentiationofcholinergicnerves,andsuppressionofADIpogenesisbyinhibitingthelipoproteinlipaseinadipocytes.MaturehumanLIF(180aa)shares78%,82%,91%,88and87%aasequenceidentitywithmouse,rat,canine,bovine,andporcineLIF,respectively.Toreducespontaneousdifferentiation,LIFistypicallyaddedtostemcellculturemedium.
TechnicalSpecifications:
- Species: Human
- Expression: HEK293CellExpressed
- Activity: Typically≤0.2ng/mLEC50
- Purity: >95%
- Endotoxin: <1EU/μg
- MolecularMass:35-53kDa,glycosylated
- Formulation: 1xPBS
PurityConfirmation:
TheproteinwasresolvedbySDS-polyacrylamidegelelectrophoresisandthegelwasstainedwithCoomassieblue.
ActivityAssay:
Theactivitywasdeterminedbythedose-dependentstimulationoftheproliferationofhumanTF-1cells(humanerythroleukemicindicatorcellline).
ReconstitutionBuffer:
Brieflycentrifugethevialbeforeopening.Itisrecommendedtoreconstitutetheproteininsterile1xPBScontaining0.1%endotoxin-freerecombinanthumanserumalbumin(HSA).