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蚂蚁淘在线 / 品牌中心 / Millipore / Millipore/HTS055M | ChemiSCREEN™ Membrane Preparation Recombinant Human CXCR5 Chemokine Receptor/HTS055M/200 units
商品描述
| Description | |
|---|---|
| CatalogueNumber | HTS055M |
| BrandFamily | Chemicon® |
| TradeName |
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| Description | ChemiSCREEN™MembranePreparationRecombinantHumanCXCR5ChemokineReceptor |
| Overview | HumanCXCR5 |
| BackgroundInformation | CXCR5(alsoknownasBLR1)isaGPCRthatbindsselectivelytothechemokineCXCL13(alsoknownasBLCandBCA-1)tomediateimmunesystemdevelopmentandfunction(Försteretal.,1996;Gunnetal.,1998).CXCR5cooperateswithCCR7todeterminefunctionalorganizationoflymphoidorganssuchaslymphnodesandPeyer’spatches(Ohletal.,2003).Inaddition,CXCR5mediatesmigrationofBcellsintothefolliclesofthesplenicwhitepulp,thuspermittingantigendepositiononfolliculardendriticcells(Försteretal.,1996;Cinamonetal.,2008).Patientswithrheumatoidarthritis(RA)displayedupregulatedexpressionofCXCR5toagreaterextentthanotherchemokinereceptors,andCXCR5-nullmicesubjectedtoantigen-inducedarthritisdisplayreducedjointdestruction(Schmutzetal,2004;Wengneretal,2007).Therefore,CXCR5representsapotentialtargetfortreatmentofrheumatoidarthritis.Millipore"sCXCR5MembranePreparationforGTPγSAssayisacrudemembranepreparationmadefromtheproprietarystablerecombinantcelllinethatisalsousedforMillipore’sCXCR5CalciumOptimizedCellLine(HTS055C).ThisCXCR5MembranePreparationhasbeenoptimizedforlowbasalactivityinGTPγSbindingassays;thusitisanidealHTStoolforscreeningofcompoundsforagoNISTandantagonistactivities.ThemembranepreparationsexhibitsEC50of1.8nMforCXCL13inaGTPγSbindingassay. |
| ProductInformation | |
|---|---|
| Format | Membranes |
| Presentation | Liquidinpackagingbuffer:50mMTrispH7.4,10%glyceroland1%BSAwithnopreservatives. Packagingmethod:Membraneproteinwasadjustedtotheindicatedconcentrationinpackagingbuffer,rapidlyfrozen,andstoredat-80°C. |
| StorageandShippingInformation | |
|---|---|
| StorageConditions | Storeat–70°C.Productisstableforatleast6monthsfromthedateofreceiptwhenstoredasdirected.Donotfreezeandthaw. |
| Applications | |
|---|---|
| Application | HumanCXCR5GPCRmembranepreparationforRADIoligandbindingAssays>PγSbinding. |
| KeyApplications |
|
| ApplicationNotes | RadioligandbindingassayandGTPγSbinding |
| BIOLOGicalInformation | |
|---|---|
| EntrezGeneNumber | |
| GeneSymbol |
|
| GPCRClass | A |
| HostCells | Chem-5 |
| ProteinTarget | CXCR5 |
| TargetSub-Family | Chemokine |
| UniProtNumber | |
| IncubationConditions | MembranesarepermeABIlizedbyadditionofsaponintoanequalconcentrationbymass,thenmixedwith[35S]-GTPγS(finalconcentrationof0.3nM)in20mMHEPES,pH7.4/100mMNaCl/10mMMgCl2/0.5μMGDPinanonbinding96-wellplate.UnlabeledCXCL13wasaddedtothefinalconcentrationindicatedinFigure1(finalvolume100μL),andincubatedfor30minat30°C.ThebindingreactionistransferredtoanFBfilterplate(MilliporeMAHFB1H)previouslyprewettedwithwater.Theplateiswashed3times(1mLperwellperwash)withcold10mMsodiumphosphate,pH7.4,thendriedandcounted. Onepackagecontainsenoughmembranesforatleast200assays(units),whereoneunitistheamountofmembranethatwillyieldgreaterthan1000cpmspecificCXCL13-stimulated[35S]-GTPγSbinding. |
| PhysicochemicalInformation |
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