>
产品中心 >
Growth_factor >
Prospec/VEGF Rat, Yeast/Vascular Endothelial Growth Factor Rat Recombinant, Yeast/1mg/CYT-1126-1mg-1mg
Cataloguenumber
CYT-1126
Synonyms
VascularendothelialgrowthfactorA,VEGF-A,VascularpermeABIlityfactor,VPF,VEGF,MGC70609.
Introduction
Vascularendothelialgrowthfactorisanimportantsignalingproteininvolvedinbothangiogenesisandvasculogenesis.VEGFactivityhasbeenmostlystudiedoncellsofthevascularendothelium,althoughitdoeshaveeffectsonanumberofothercelltypes(e.g.stimulationmonocyte/macrophagemigration,neurons,cancercells,kidneyepithelialcells).VEGFmediatesincreasedvascularpermeability,inducesangiogenesis,vasculogenesisandendothelialcellgrowth,promotescellmigration,andinhibitsapoptosis.Invitro,VEGFhasbeenshowntostimulateendothelialcellmitogenesisandcellmigration.VEGFisalsoavasodilatorandincreasesmicrovascularpermeabilityandwasoriginallyreferredtoasvascularpermeabilityfactor.ElevatedlevelsofVEGFislinkedtoPOEMSsyndrome,alsoknownasCrow-Fukasesyndrome.MutationsinVEGFhavebeenassociatedwithproliferativeandnonproliferativediabeticretinopathy.
Description
VascularEndothelialGrowthFactorRatRecombinantproducedinyeastisadisulfide-linkedhomodimerconsistingof2x165aminoacidpolypeptidechains,havingamolecularmassofapproximately25.7kDaeach.VEGFispurifiedbyproprietarychromatographictechniques.
Source
Saccharomycescerevisiae
PhysicalAppearance
SterileFilteredWhitelyophilized(freeze-dried)powder.
Formulation
Lyophilizedfroma0.2μmfilteredconcentratedsolutioninPBS,pH7.4.
Solubility
ItisrecommendedtoreconstitutethelyophilizedVascularEndothelialGrowthFactorinsterile18MΩ-cmH2Onotlessthan100µg/ml,whichcanthenbefurtherdilutedtootheraqueoussolutions.
Stability
LyophilizedVEGFalthoughstableatroomtemperaturefor3weeks,shouldbestoreddesiccatedbelow-18°C.UponreconstitutionVascularEndothelialGrowthFactorshouldbestoredat4°Cbetween2-7daysandforfutureusebelow-18°C.Pleasepreventfreeze-thawcycles.
Purity
Greaterthan90.0%asdeterminedbySDS-PAGE.
Aminoacidsequence
MAPTTEGEQKAHEVVKFMDVYQRSYCRPIETLVDIFQEYPDEIEYIFKPSCVPLMRCAGCCNDEALECVPTSESNVTMQIMRIKPHQSQHIGEMSFLQHSRCECRPKKDRTKPEKHCEPCSERRKHLFVQDPQTCKCSCKNTDSRCKARQLELNERTCRCDKPRR.
BIOLOGicalActivity
TheED50wasmeasuredinacellproliferationassayusingHUVEChumanumbilicalveinendothelialcellsandwasfoundtobe0.75‑3.75ng/ml.
SafetyDataSheet
SDS