Thisproductisfreezedried.Allwatermoleculeshavebeenremoved.
ThisantibodyisshippedwithitsantigenFREEofcharge!
- Peptide(C)DDYGRPGIEKFREE,correspondingtoaminoacidresidues216-229ofhumanCaSR(Accession P41180). N-terminus,extracellular.
- WesternblotanalysisofColo205(lanes1and3),ratliver(lanes2and4)andmousekidney(lanes5and6)lysates:1,2,5. Anti-CalciumSensingReceptor(extracellular)Antibody(#ACR-004),(1:200).
3,4,6.Anti-CalciumSensingReceptor(extracellular)Antibody,preincubatedwiththecontrolpeptideantigen.
- ExpressionofCaSRinratbrainImmunohistochemicalstainingofrathippocampalCA1regionusing Anti-CalciumSensingReceptor(extracellular) Antibody(#ACR-004).A.CaSRstainingappearsinthesomaandappicaldendritesofCA1pyramidalneurons(arrows).B.NuclearstainingusingDAPIasthecounterstain.C.MergeimageofAandBpannels
- CellsurfacedetectionofCaSRinliveJurkat(humanacuteTcellleukemia)cells:___ Unstainedcells.
___ Cells+ Anti-CalciumSensing Receptor(extracellular) Antibody(#ACR-004),(10µg/5x105 cells).
- Expressionof CaSRinratC6cellsCellsurfacedetectionof CaSRinliveintactratgliomaC6cells.A.Extracellularstainingofcellsusing Anti-CalciumSensing Receptor(extracellular) Antibody(#ACR-004),(1:50),followedbyAlexa-555-conjugatedgoat-anti-rabbitsecondaryantibody.B.NuclearfluorescencestainingofcellsusingHoechst33342.C.MergedimagesofpanelsAandB.
- 1.IUPHARRECEPTORDATABASE.
- 2.Racz,G.Z.etal.(2002)Gut51,705.
- 3.Canaff,L.andHendy,G.N.(2002)J.Biol.Chem.277,30337.
- 4.Chen,R.A.andGoodman,W.G.(2004)Am.J.Physiol.RenalPhysiol.286,F1005
- 5.Chattopadhyay,N.(2006)Am.J.Physiol.Endocrinol.Metab.290,E761.
TheCalcium-sensingreceptor(CaSR)isamemberofsubfamilyCoftheG-protein-coupledreceptor(GPCR)superfamily.Asitsprimaryrole,theCaSRisakeyplayerincalciumhomeostasisandisexpressedintissuesinvolvedincalciummetabolismsuchasparathyroidcellsandthekidneys.1,2
TheexpressionofCaSRwasalsodescribedinothercelltypesandtissues,suchasneurons,keratinocytes,andthepancreas.However,theroleofCaSRinthesecellsremainstobeestablished.1,2 FollowingtheidentificationoffunctionalvitaminDresponseelementsintheCaSRgene,itwassuggestedthatvitaminDmightregulatetheexpressionofCaSR.3
CaSRactivationisfollowedbyarapid,transientincreaseinthecytosoliccalciumconcentration,resultingfrommobilizationofcalciumfromthapsigargin-sensitiveintracellularstores,aswellasanincreasedcalciuminfluxthroughvoltage-insensitivecalciumchannelslocatedatthecellmembrane.4
CaSRregulatescellularprocessessuchasproliferation,apoptosis,anddifferentiationunderbothnormalandpathologicconditions.5
RecentstudiesdemonstratedtheexpressioninhumancolonepitheliumofCaSR,whichregulatesproliferationanddifferentiation.Incoloncarcinomas,lowerlevelsofexpressionwerefoundinthecanceroustissuecomparedtonormalcolontissue.
Anti-CalciumSensingReceptor(extracellular)Antibody(#ACR-004)isahighlyspecificantibodydirectedagainstanepitopeofthehumanCaSR.Theantibodycanbeusedinwesternblot,immunohistochemistry,indirectflowcytometry,andimmunocytochemistry,andlivecellimagingapplications.IthasbeendesignedtorecognizeCaSRfromhuman,rat,andmousesamples.