>
产品中心 >
Growth_factor >
Prospec/VEGF Rat (120a.a.), Yeast/Vascular Endothelial Growth Factor (120a.a.) Rat Recombinant, Yeast/250µg/CYT-1127-250µg-250µg
Cataloguenumber
CYT-1127
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
VascularEndothelialGrowthFactor(120a.a.)RatRecombinantproducedinyeastisadisulfide-linkedhomodimerconsistingof2x121aminoacidpolypeptidechains,havingamolecularmassofapproximately18.5kDaeach.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%asdeterminedby:(a)AnalysisbyRP-HPLC.(b)AnalysisbySDS-PAGE.
Aminoacidsequence
MAPTTEGEQKAHEVVKFMDVYQRSYCRPIETLVDIFQEYPDEIEYIFKPSCVPLMRCAGCCNDEALECVPTSESNVTMQIMRIKPHQSQHIGEMSFLQHSRCECRPKKDRTKPEKCDKPRR.
BIOLOGicalActivity
TheED50wasmeasuredinacellproliferationassayusingHUVEChumanumbilicalveinendothelialcellsandwasfoundtobe2‑10ng/ml.
SafetyDataSheet
SDS