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Hycult Biotech/EPCR, Human, mAb RCR-252/HM2145/100 µg188bio精品生物—专注于实验室精品爆款的电商平台 - 蚂蚁淘旗下精选188款生物医学科研用品
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Hycult Biotech/EPCR, Human, mAb RCR-252/HM2145/100 µg

Description:EPCR,Human,mAbRCR-252

ThemonoclonalantibodyRCR-252recognizeshumanendothelialproteinCreceptor(EPCR),ahighlyglycosylatedtypeItransmembraneproteinof221-amino-acids.Theseaminoacidscompriseanextracellulardomain,a25-aatransmembranedomain,andashort(3aa)intracytoplasmicsequencecodingforan~46kDaprotein.Deglycosylationwillreducetheproteinmassto25kDa.EPCRisexpressedstronglyontheendothelialcellsofarteriesandveinsinheartandlung,lessintenselyincapillariesinthelungandskin,andnotatallintheendotheliumofsmallvesselsoftheliverandkidney.
EPCRisthereceptorforproteinC,akeyplayerintheanticoagulationpathway.TheproteinCanticoagulantpathwayservesasamajorsystemforcontrolingthrombosis,limitinginflammatoryresponses,andpotentiallydecreasingendothelialcellapoptosisinresponsetoinflammatorycytokinesandischemia.Theessentialcomponentsofthepathwayincludethrombin,thrombomodulin,theendothelialcellproteinCreceptor(EPCR),proteinCandproteinS.Thepathwayisinitiatedwhenthrombinbindstothrombomodulinonthesurfaceofendothelium.EPCRaugmentsproteinCactivationbybindingproteinCandpresentingittothethrombin-thrombomodulinactivationcomplex.ActivatedproteinC(aPC)retainsitsABIlitytobindEPCR,andthiscomplexappearstobeinvolvedinsomeofthecellularsignalingmechanismsthatdown-regulateinflammatorycytokineformation(TNF,IL-6).EPCRisshedfromthevasculaturebyinflammatorymediatorsandthrombin.EPCRbindstoactivatedneutrophilsinaprocessthatinvolvesproteinase3andMac-1.FurThermore,EPCRcanundergotranslocationfromtheplasmamembranetothenucleus.
EPCRcanbecleavedtoreleaseasolubleform(sEPCR)inthecirculation.ThissEPCRisdetectedasasinglespeciesof43kDa,resultingfromsheddingofmembraneEPCRbytheactionofametalloprotease,-whichisstimulatedbythrombinandbysomeinflammatorymediators.SolubleEPCRbindsPCandaPCwithsimilaraffinity,butitsbindingtoaPCinhibitstheanticoagulantactivityofaPCbyblockingitsbindingtophospholipidsandbyabrogatingitsabilitytoinactivatefactorVa.sEPCR-canbedetectedinplasma.Innormalpersons,sEPCRispresentinlevelsof83.6+/-17.2ng/ml.ElevatedlevelsofsEPCRarepositivelycorrelatedtoahigherriskforthrombosis.Furthermore,ahaplotype(A3allele)hasbeenlinkedtoelevatedlevelsofsEPCR(264+/-174ng/ml).

Specifications:

CatalognumberHM2145
ProducttypeMonoclonalantibodies
Quantity100µg
Formulation1ml(100μg/ml)0.2μmfilteredproteinGpurifiedantibodysolutioninPBS,containing0.1%bovineserum.
ApplicationFlowcytometry,Functionalstudies,Immunoprecipitation,Westernblot
ApplicationNotesFC:AntibodyRCR-252stainstheextracellulardomainofhumanEPCR.AspositivecontrolRE-1cellswereusedandasnegativecontrolN1cells.(Ref.1)
W:Anon-reducedsampletreatmentwasused.Theobservedbandsizeis50kDa(Ref.5).
FS:AntibodyRCR-252functionsasblockingantbody.ItablatesAPCbindingtoEPCRandblocksAPC-mediatedsignaling.Theantibodywasfunctionallytestedbypretreatmentofcellswith10-25 µg/mlRCR-252(Ref.1-4).
UseDilutionstobeuseddependondetectionsystemapplied.Itisrecommendedthatuserstestthereagentanddeterminetheirownoptimaldilutions.Thetypicalstartingworkingdilutionis1:50.
ImmunogenHumanEPCR-positiveRE-1cells
IsotypeRatIgG1
SpeciesHuman
AliasActivatedproteinCreceptor,CD201,EndothelialcellproteinCreceptor
Genename:PROCR
PositiveControlRE-1(rat3Y1fibroblastsstablytransfectedwithhumanEPCR.
NegativeControlN1cells
References1.Ye,Xetal;TheendothelialcellproteinCreceptor(EPCR)functionsasaprimaryreceptorforproteinCactivationonendothelialcellsinarteries,veins,andcapillaries.BiochemBiophysResCommun1999,259:671
2.Dömötör,Eetal;ActivatedproteinCalterscytosoliccalciumfluxinhumanbrainendotheliumviabindingtoendothelialproteinCreceptorandactivationofproteaseactivatedreceptor-1.Blood2003,101:4797
3.Sturn,Detal;ExpressionandfunctionoftheendothelialproteinCreceptorinhumanneutrophils.Blood2003,102:1499
4.Finigan,Jetal;ActivatedproteinCmediatesnovellungendothelialbarriereenhancement.JBiolChem2005,280:17286
5.BaeJetal;ReceptorsoftheproteinCactivationandactivatedproteinCsignalingpathwaysarecolocalizedinlipidraftsofendothelialcells.PNAS2006,104:2867
StorageandstabilityProductshouldbestoredat4 °C.Underrecommendedstorageconditions,productisstableforoneyear.
PrecautionsForresearchuseonly.Notforuseinoronhumansoranimalsorfordiagnostics.Itistheresponsibilityoftheusertocomplywithalllocal/stateandFederalrulesintheuseofthisproduct.HycultBiotechisnotresponsIBLeforanypatentinfringementsthatmightresultwiththeuseoforderivationofthisproduct.
DiseaseCardiologyandmetabolism
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