Thisproductisfreezedried.Allwatermoleculeshavebeenremoved.
ThisantibodyisshippedwithitsantigenFREEofcharge!
- Peptide(C)HVIDIDRGDEKKGKD,correspondingtoaminoacidresidues300-314ofratAQP4(AccessionP47863).Intracellular,C-terminus.
- ExpressionofAquaporin4inratandmousebrainImmunohistochemicalstainingofAquaporin4inratandmousebrainfreefloatingfrozensectionsusingAnti-Aquaporin4(AQP4)(300-314)-ATTO-594Antibody(#AQP-014-AR),(1:80).A.AQP4staining(red)inrathippocampalCA1regionappearsinoutlinesofbloodvessels(arrows).DAPIisusedasthecounterstain(blue)andstainsthepyramidallayer(P).B.AQP4staining(red)inmousehippocampaldentategyrusregionappearsalsoinoutlinesofbloodvessels(arrows).DAPIisusedasthecounterstain(blue)andstainsthegranulelayer(G).Immuno-colocalizationofGFAPandAQP4inratbrainImmunohistochemicalstainingofimmersion-fixed,freefloatingratbrainfrozensectionsusingAnti-GFAPAntibody(#AFP-001),(1:2000)andAnti-Aquaporin4(AQP4)(300-314)-ATTO-594Antibody (#AQP-014-AR),(1:100).A.Inratfornix,GFAPimmunoreactivity(green)appearsinastrocyticprocesses.B.Insamesection,AQP4staining(red)isdetectedinbloodvessels.C.MergeofpanelAandpanelBshowscolocalizationaroundalargebloodvessel(arrows).NucleiarestainedusingDAPIasthecounterstain(blue).
- 1.King,L.S.etal.(2004)Nat.Rev.Mol.CellBiol.5,687.
- 2.Manley,G.T.etal.(2004)Neuroscience.129,983.
- 3.Lennon,V.A.etal.(2005)J.Exp.Med.202,473.
Aquaporin4(AQP-4)belongstoafamilyofmembraneproteinsthatallowpassageofwaterandcertainsolutesthroughBIOLOGicalmembranes.Thefamilyiscomposedof13members(AQP-0toAQP-12).
TheaquaporinscanbedividedintotwofunctionalgroupsbasedontheirpermeABIlitycharacteristics:theaquaporinsthatareonlypermeatedbywaterandtheaquaglyceroporinsthatarepermeatedbywaterandothersmallsolutessuchasglycerol.AQP-4togetherwithAQP-1,AQP-2andAQP-5belongtothefirstgroup1.Littleisknownaboutthefunctionofthetwonewestmembers,AQP-11andAQP-12.
TheproteinspresentaconservedstructureofsixtransmembranedomainswithintracellularN-andC-termini.Thefunctionalchannelisatetramerbuteachsubunithasaseparateporeandthereforethefunctionalchannelunit,containsfourpores1.
AQP-4isthemajormembranewaterchannelinthecentralnervoussystem.Thechannelisexpressedinastrocytefootprocessesindirectcontactwithcapillaryvesselsinthebrainsuggestingaroleinwatertransportundernormalandpathologicalconditions.Indeed,transgenicmicelackingAQP-4havereducedbrainswellingandimprovedneurologicaloutcomefollowingwaterintoxicationandfocalcerebralischemia.Incontrast,brainswellingandclinicaloutcomeareworseinAQP-4-nullmiceinmodelsofvasogenic(fluidleak)edemacausedbyfreeze-injuryandbraintumor,probablyduetoimpairedAQP-4-dependentbrainwaterclearance2.
Inaddition,ithasbeenrecentlyshownthatneuromyelitisoptica(NMO),aninflammatorydemyelinatingdiseasethatselectivelyaffectsopticnervesandspinalcord,iscausedbythedevelopmentofanautoantibodydirectedagainstAQP-43.
Immuno-colocalizationofAquaporin4andTrkBinratcerebellum.Immunohistochemicalstainingofperfusion-fixedfrozenratcerebellumsectionsusingAnti-TrkB(extracellular)-ATTO-488Antibody(#ANT-019-AG),(1:80)andAnti-Aquaporin4(AQP4)(300-314)-ATTO-594Antibody(#AQP-014-AR),(1:80).A.TrkBlabeling(green)appearsinPurkinjecells(arrows)formingthePurkinjelayer(P).B.Aquaporin4staining(red)appearsinoutlinesofthe“baskets”formedaroundPurkinjecells(verticalarrows)andinsomebloodvessels(horizontalarrow).C.MergeofpanelsAandBdemonstratesthelocalizationofTrkBandAquaporin4inadjacentcellularcompartmentsofthecerebellum.NucleiweredemonstratedusingDAPIasthecounterstain(blue).
Anti-Aquaporin4(AQP4)(300-314)Antibody (#AQP-014)isahighlyspecificantibodydirectedagainstanepitopeofratAQP4.Theantibodycanbeusedinwesternblot,immunohistochemistry,andimmunocytochemistryapplications.IthasbeendesignedtorecognizetheAquaporin4channelfromrat,mouse,andhumansamples.
Anti-Aquaporin4(AQP4)(300-314)-ATTO-594Antibody(#AQP-014-AR) isdirectlylabeledwithanATTO-594fluorescentdye. ATTOdyes arecharacterizedbystrongabsorption(highextinctioncoefficient),highfluorescencequantumyield,andhighphoto-stability.TheATTO-594fluorescentlabelbelongstotheclassofRhodaminedyesandcanbeusedwithfluorescentequipmenttypicallyoptimizedtodetectTexasRedandAlexa-594.Anti-Aquaporin4(AQP4)(300-314)-ATTO-594AntibodyisespeciallysuitedforexperimentsrequiringsimultaneouslabelingofdifferentMarkers.