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- Peptide(C)KEASRTR*SGGPKGSK,correspondingtoaminoacidresidues243-257ofratB1Rwithreplacementofcysteine250(C250)withserine(*S)(Accession P97583).3rd intracellularloop.
- Westernblotanalysisofratbrain(lanes1and3)andheart(lanes2and4)lysates:1. Anti-B1 BradykininReceptor(BDKRB1)Antibody(#ABR-011),(1:200).
2.Anti-B1 BradykininReceptor(BDKRB1)Antibody,preincubatedwiththenegativecontrolantigen.
- ExpressionofB1 bradykininreceptor inratCNSImmunohistochemicalstainingoffrozenratbrain section(A&B)andcerebellum(C)using Anti-B1 BradykininReceptor(BDKRB1)Antibody(#ABR-011),(1:50).BKR1 isexpressedinneuronalcellsoftheamygdala(A)andhippocampus(CA1)(B)aswellasintheaxonsofPurkinjecellsinthecerebellum(arrowheadsonC).Hoechst33342isusedasthecounterstain.Mousespinalcord(1:200),(Dutra,R.C. etal. (2013) Neurobiol.Dis. 54, 82.).
- Rattrigeminalneuronprimarycultures(Kawaguchi,A. etal. (2015) Front.Cell.Neurosci. 9, 229.).
- 1.Walker,K.etal.(1995)NeuRochem.Int.26,1.
- 2.Böckmann,S.andPaegelow,I.(2000)J.Leukoc.Biol.68,587.
- 3.Hess,J.F.etal.(2004)J.Pharmacol.Exp.Ther.310,488.
Kininsaresmallpeptidesrapidlyproducedfollowingtissueinjurythatserveasimportantmodulatorsofinflammationandpain.Intheperiphery,theactionsofkininsincludevasodilatation,increasedvascularpermeABIlity,stimulationofimmunecells,andinductionofpain.Kininsinthecentralnervoussystem(CNS)appeartoinitiateasimilarcascadeofeventsleADIngtoneuraltissuedamageaswellaslonglastingdisturbancesaffectingblood-brainbarrierfunction.1
KininssuchasBradykinin(BK),Lys-BK,desArg9-BK,andLys-desArg9-BKexerttheiractionviatwodistinctreceptors:theB1 Bradykininreceptor(BKRB1)andthe B2 Bradykininreceptor (BKRB2).ThedesArg9-BKandLys-desArg9-BKpeptidesactivateBKRB1whileBKandLys-BKoperatebyactivatingBKRB2.2 BothBKRB1andBKRB2aremembersoftheseven-transmembranedomain,Gprotein-coupledreceptor(GPCR)superfamilyandshareacommonstructureofsevenputativetransmembranedomains,anextracellularaminoterminus,andacytoplasmiccarboxylterminus.
ExpressionofBKRB1isinducIBLeuponvarioustypesoftissueinjuryandbyinflammatorymediatorssuchasbacteriallipopolysaccharide(LPS)andcytokines.BKRB1waslongconsiderednottobeexpressedinhealthytissues.However,recentworkhasdemonstratedalowlevelofexpressionofBKRB1intheCNSofrodentandprimates.Incontrast,BKRB2isconstitutivelyexpressedonvariouscelltypes.3 BKRB1representsapotentialtherapeutictargetfortreatmentofinflammatorydisordersandcardiovasculardiseases.
ExpressionofB1 bradykininreceptorinratTGneurons.Immunocytochemicalstainingofratprimarytrigeminalganglion(TG)neuronsusing Anti-B1 BradykininReceptor (BDKRB1) Antibody(#ABR-011). Adaptedfrom Kawaguchi,A. etal. (2015) Front.Cell.Neurosci. 9, 229.withpermissionofFrontiers.
Anti-B1BradykininReceptor(BDKRB1)Antibody(#ABR-011)isahighlyspecificantibodydirectedagainstanepitopeoftheratprotein.Theantibodycanbeusedinwesternblot,immunohistochemistry,andimmunocytochemistryapplications.IthasbeendesignedtorecognizeB1R fromratandmousesamples.Theantibodymaynotrecognizethereceptorfromhumansamples.