Description
Cultrex®BasementMembraneExtract(BME)isasolubleformofbasementmembranepurifiedfromEngelbreth-Holm-Swarm(EHS)tumor.Thisextractprovidesanaturalextracellularmatrixhydrogelthatpolymerizesat37°Ctoformareconstitutedbasementmembrane.Basementmembranesarecontinuoussheetsofspecializedextracellularmatrixthatformaninterfacebetweenendothelial,epithelial,muscle,orneuronalcellsandtheiradjacentstromaandthatplayanessentialroleintissueorganizationbyinfluencingcelladhesion,migration,proliferation,anddifferentiation.ThemajorcomponentsofBMEincludelaminin,collagenIV,entactin,andheparansulfateproteoglycans.
Cultrex®StemCellQualifiedRGFBMEisaBasementMembraneMatrixthathasbeendeveloped,producedandqualifiedspecificallyforattachmentandmaintenance ofembryonicandinducIBLepluripotentstemcells. Cultrex®StemCellQualifiedRGFBMEisprocessedtoreducematrix-associatedgrowthfactorsandprovideamoredefinedmodelsystem.
Qualitycontrolspecifications:
- Mousecoloniesareroutinelyscreenedforpathogensusing mouseantibodyproduction(MAP)testing.
- Engelbreth-Holm-Swarm(EHS)tumorisLDEV-free.
- PathClear®–testednegativebyPCRfor17bacterialandvirusstrainstypicallyincludedinmouseantibodyproduction(MAP)testing,plus13additionalmurineinfectiousagentsincludingLDEV,foratotalof31organismsandviruses.
- Nobacterialorfungalgrowthdetectedafterincubationat37°Cfor14daysfollowingUSPsterilitytestingguidelines.
- Endotoxinconcentration≤8EU/mlbyLimulusAmoebocyteLysate(LAL)assay.
- Proteinconcentrationof12–18mg/ml.
- NomycoplasmacontaminationdetectedbyPCR.
- ProvidedinDulbecco’sModifiedEagle’smedium(DMEM)withoutphenolred,with10µg/mlgentamicinsulfate.
- GelstABIlitytestedforaperiodof14daysat37°C.
- BIOLOGicalactivitydeterminedforeachlot:
- PromotestheattachmentofhumaniPSCs.
- EffectivelymaintainshumaniPSCsinapluripotentstateinafeeder-freeculture.