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Millipore/MAB348A4 | Anti-Alzheimer Precursor Protein A4 Antibody, clone 22C11, Alexa488 Conj./MAB348A4/100 µL
Millipore/MAB348A4 | Anti-Alzheimer Precursor Protein A4 Antibody, clone 22C11, Alexa488 Conj./MAB348A4/100 µL
市场价：
¥7400.00
美元价：
4440.00
产品分类：
功能性抗体
公司分类：
Functional_antibody
联系Q Q：
3392242852
电话号码：
4000-520-616
电子邮箱：
info@ebiomall.com
商品介绍
| Description | |
|---|---|
| CatalogueNumber | MAB348A4 |
| Description | Anti-AlzheimerPrecursorProteinA4Antibody,clone22C11,Alexa488Conj. |
| AlternateNames |
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| BackgroundInformation | DepositsofamyloidproteininsenileplaquesnearnerveprocessesarefoundinthebrainsofagedhumanandcasesofAlzheimer"sDisease.TheprinciplecomponentofthisextracellularamyloidisbetaA4,a4kDapeptidederivedfromalargeramyloidprecursorprotein(APP),whichiswidelyexpressedinthebrainandbody.Thecreation,transportandfunctionoftheseproteinsiscurrentlyanactiveareaofresearch. |
| ProductInformation | |
|---|---|
| Format | AlexaFluor®488 |
| Control |
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| Presentation | PurifiedmousemonoclonalIgG1conjugatedtoAlexaFluor®488inPBSwith0.1%sodiumazideand15mg/mLBSA. |
| StorageandShippingInformation | |
|---|---|
| StorageConditions | Maintainrefrigeratedat2-8°Cprotectedfromlightinundilutedaliquotsforupto6monthsfromdateofreceipt. |
| BIOLOGicalInformation | |
|---|---|
| Immunogen | PurifiedrecombinantAlzheimerprecursorA4(preA4695)fusionprotein |
| Epitope | a.a.66-81ofAPP(N-terminus) |
| Clone | 22C11 |
| Host | Mouse |
| Specificity | UnconjugatedMAB348recognizesN-terminalaminoacids66-81onthepre-A4molecule(Hilbichetal.,1993).22C11recognizesallthreeisoformsofAPP:immature,~110kDa;sAPP,~120kDa;andmature,~130kDa(Hoffmannetal.,2000).ThisantibodyisknowntocrossreactwithAPLP2(Slunt,1994). |
| Isotype | IgG1 |
| SpeciesReactivity |
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| SpeciesReactivityNote | DemonstratedtoreactwithRat.PredictedtoreactwithMouse,Canine,Human,Monkey,andPorcinebasedon100%sequencehomology. |
| AntibodyType | MonoclonalAntibody |
| EntrezGeneNumber | |
| EntrezGeneSummary | Thisgeneencodesacellsurfacereceptorandtransmembraneprecursorproteinthatiscleavedbysecretasestoformanumberofpeptides.SomeofthesepeptidesaresecretedandcanbindtotheacetyltransferasecomplexAPBB1/TIP60topromotetranscriptionalactivation,whileothersformtheproteinbasisoftheamyloidplaquesfoundinthebrainsofpatientswithAlzheimerdisease.MutationsinthisgenehavebeenimplicatedinautosomaldominantAlzheimerdiseaseandcerebroarterialamyloidosis(cerebralamyloidangiopathy).Multipletranscriptvariantsencodingseveraldifferentisoformshavebeenfoundforthisgene.[providedbyRefSeq,Jul2008]. |
| GeneSymbol |
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| PurificationMethod | ProteinAPurfied |
| UniProtNumber | |
| UniProtSummary | FUNCTION:Thegamma-CTFpeptidesaswellasthecaspase-cleavedpeptides,includingC31,arepotentenhancersofneuronalapoptosis. SIZE:770aminoacids;86943Da SUBUNIT:Binds,viaitsC-terminus,tothePIDdomainofseveralcytoplasmicproteins,includingAPBBfamilymembers,theAPBAfamily,MAPK8IP1,SHC1and,NumbandDab1(Bysimilarity).BindingtoDab1inhibitsitsserinephosphorylation(Bysimilarity).AlsointeractswithGPCR-likeproteinBPP,FPRL1,APPBP1,IB1,KNS2(viaitsTPRdomains)(Bysimilarity),APPBP2(viaBaSS)andDDB1.Invitro,itbindsMAPTviatheMT-bindingdomains(Bysimilarity).AssociateswithmicrotubulesinthepresenceofATPandinakinesin-dependentmanner(Bysimilarity).Interacts,throughaC-terminaldomain,withGNAO1.Amyloidbeta-42bindsCHRNA7inhippocampalneurons.Beta-amyloidassociateswithHADH2.SolubleAPPbinds,viaitsN-terminalhead,toFBLN1.InteractswithCPEB1(Bysimilarity). SUBCELLULARLOCATION:Membrane;Single-passtypeImembraneprotein.Note=Cellsurfaceproteinthatrapidlybecomesinternalizedviaclathrin-coatedpits.Duringmaturation,theimmatureAPP(N-glycosylatedintheendoplasmicreticulum)movestotheGolgicomplexwherecompletematurationoccurs(O-glycosylatedandsulfated).Afteralpha-secretasecleavage,solubleAPPisreleasedintotheextracellularspaceandtheC-terminalisinternalizedtoendosomesandlysosomes.SomeAPPaccumulatesinsecretorytransportvesiclesleavingthelateGolgicompartmentandreturnstothecellsurface.Gamma-CTF(59)peptideislocatedtoboththecytoplasmandnucleiofneurons.ItcanbetranslocatedtothenucleusthroughassociationwithFe65.Beta-APP42associateswithFRPL1atthecellsurfaceandthecomplexisthenrapidlyinternalized.APPsortstothebasolateralsurfaceinepithelialcells.Duringneuronaldifferentiation,theThr-743phosphorylatedformislocatedmainlyingrowthcones,moderatelyinneuritesandsparinglyinthecellbody.Caseinkinasephosphorylationcanoccureitheratthecellsurfaceorwithinapost-Golgicompartment. TISSUESPECIFICITY:Expressedinallfetaltissuesexaminedwithhighestlevelsinbrain,kidney,heartandspleen.Weakexpressioninliver.Inadultbrain,highestexpressionfoundinthefrontallobeofthecortexandintheanteriorperisylviancortex-operculargyri.Moderateexpressioninthecerebellarcortex,theposteriorperisylviancortex-operculargyriandthetemporalassociatedcortex.Weakexpressionfoundinthestriate,extra-striateandmotorcortices.IsoformAPP695isthepredominantforminneuronaltissue,isoformAPP751andisoformAPP770arewidelyexpressedinnon-neuronalcells.IsoformAPP751isthemostabundantforminT-lymphocytes.Appicanisexpressedinastrocytes. DOMAIN:Thebasolateralsortingsignal(BaSS)isrequiredforsortingofmembraneproteinstothebasolateralsurfaceofepithelialcells.&TheNPXYsequencemotiffoundinmanytyrosine-phosphorylatedproteinsisrequiredforthespecificbindingofthePIDdomain.However,additionalaminoacidseitherN-orC-terminaltotheNPXYmotifareoftenrequiredforcompleteinteraction.ThePIDdomain-containingproteinswhichbindAPPrequiretheYENPTYmotifforfullinteraction.Theseinteractionsareindependentofphosphorylationontheterminaltyrosineresidue.TheNPXYsiteisalsoinvolvedinclathrin-mediatedendocytosis. PTM:Proteolyticallyprocessedundernormalcellularconditions.Cleavagebyalpha-secretaseoralternativelybybeta-secretaseleadstogenerationandextracellularreleaseofsolubleAPPpeptides,S-APP-alphaandS-APP-beta,respectively,andtheretentionofcorrespondingmembrane-anchoredC-terminalfragments,C83andC99.SubsequentprocessingofC83bygamma-secretaseyieldsP3peptides.Thisisthemajorsecretorypathwayandisnon-amyloidogenic.Alternatively,presenilin/nicastrin-mediatedgamma-secretaseprocessingofC99releasestheamyloidbetaproteins,amyloid-beta40(Abeta40)andamyloid-beta42(Abeta42),majorcomponentsofamyloidplaques,andthecytotoxicC-terminalfragments,gamma-CTF(50),gamma-CTF(57)andgamma-CTF(59).&Proteolyticallycleavedbycaspasesduringneuronalapoptosis.CleavageatAsp-739byeithercaspase-6,-8or-9resultsintheproductionoftheneurotoxicC31peptideandtheincreasedproductionofbeta-amyloidpeptides.&N-andO-glycosylated.O-linkageofchondroitinsulfatetotheL-APPisoformsproducestheAPPproteoglycancoreproteins,theappicans.Thechondroitinsulfatechainofappicanscontains4-O-sulfatedgalactoseinthelinkageregionandchondroitinsulfateEintherepeateddisaccharideregion(Bysimilarity).&PhosphorylationintheC-terminalontyrosine,threonineandserineresiduesisneuron-specific.PhosphorylationcanaffectAPPprocessing,neuronaldifferentiationandinteractionwithotherproteins.PhosphorylatedonThr-743inneuronalcellsbyCdc5kinaseandMapk10,individingcellsbyCdc2kinaseinacell-cycledependentmannerwithmaximallevelsattheG2/Mphaseand,invitro,byGSK-3-beta.TheThr-743phosphorylatedformcausesaconformationalchangewhichreducesbindingofFe65familymembers.PhosphorylationonTyr-757isrequiredforSHCbinding.Phosphorylatedintheextracellulardomainbycaseinkinasesonbothsolubleandmembrane-boundAPP.Thisphosphorylationisinhibitedbyheparin.&Extracellularbindingandreductionofcopper,resultsinacorrespondingoxidationofCys-144andCys-158,andtheformationofadisulfidebond.Invitro,theAPP-Cu(+)complexinthepresenceofhydrogenperoxideresultsinanincreasedproductionofbeta-amyloid-containingpeptides. DISEASE:DefectsinAPPareacauseofautosomaldominantAlzheimerdisease(AD)[MIM:104300].ADisthemostprevelantformofdementia,characterizedbyneurofibrillarytanglesandamyloidplaquesdepositioninthebrain.IdenticallesionsoccurintheneuronsofagedDownsyndromebutatanearlieragethaninAD.Themajorconstituentoftheseneuriticplaquesistheneurotoxicamyloid-beta-APP40-42peptide(s),derivedproteolyticallyfromthetransmembraneprecursorproteinAPPbysequentialsecretaseprocessing.Mutationsoccurringatthebeta-amyloidN-terminal,suchastheSwedishdoublemutation,appeartoincreaselevelsofbeta-amyloidbyfacilitatingbeta-secretasecleavageresultinginelevatedlevelsofbothbeta-APP42andbeta-APP40.ThecytotoxicC-terminalfragments(CTFs)andthecaspase-cleavedproductssuchasC31,arealsoimplicatedinADneuronaldeath.AlzheimerdiseasecausedbymutationsinAPPisarareoccurrenceandusuallycausesthefamilialorearly-onsetformofthedisease(FAD).Flemish-typeADischaracterizedby,inadditiontopreseniledementia,cerebralhemorrhagingduetocerebralamyloidangiopathywhichissimilarto,butdistinctfrom,cerebroarterialamyloidosisDutchtype.Onlyabout5%ofallcasesofAlzheimerdiseasearecausedbyFADmutations,therestaresporADIc.&DefectsinAPParethecauseofhereditarycerebralhemorrhagewithamyloidosisDutchtype(HCHWAD)[MIM:609065].HCHWADischaracterizedbyamyloiddepositsincerebralvessels.Theprincipalclinicalcharacteristicsarerecurringcerebralhemorrhages,sometimesprecededbymigrainousheadachesormentalcleavage.Beta-APP40isthepredominantformofcerebrovascularamyloid.&DefectsinAPParethecauseofhereditarycerebroarterialamyloidosisIowatype[MIM:605714].HereditarycerebroarterialamyloidosisIowatypeisanautosomaldominantdementiabeginninginthesixthorseventhdecadeoflife.Thepatientshaveprogressiveaphasicdementia,leukoencephalopathy,andoccipitalcalcifications.Theydonotpresentcerebralhemorrhaging. SIMILARITY:BelongstotheAPPfamily.&Contains1BPTI/Kunitzinhibitordomain. MISCELLANEOUS:Chelationofmetalions,notablycopper,ironandzinc,caninducehistidine-bridgingbetweenbeta-amyloidmoleculesresultinginbeta-amyloid-metalaggregates.Theaffinityforcopperismuchhigherthanforothertransientmetalsandisincreasedunderacidicconditions.Extracellularzinc-bindingincreasesbindingofheparintoAPPandinhibitscollagen-binding. |
| MolecularWeight | Reactswithpre-A4.Theunconjugatedantibody(MAB348)recognizesallthreeisoformsofAPP,immature~110kDa,sAPP~120kDa,andmature~130kDa(Hoffmannetal.,2000). |
| PhysicochemicalInformation |
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品牌介绍
密理博(Millipore)公司成立于1954年，总部位于美国麻省，在全世界设有47个办事处，为100多个国家提供产品和技术服务。目前全球雇员超过5800人，在美国、法国和日本等国家拥有7家大型生产工厂，主要生产过滤膜及膜过滤产品。20世纪80年代，密理博公司进入中国市场。先后在香港、北京、上海、广州及成都设立了办事机构，并于2000年4月在上海浦东外高桥保税区建立了密理博（上海）贸易有限公司。为了更好地满足中国用户的需求，密理博中国主页于2006年11月向广大用户开放，介绍密理博中国有限公司的最新动态，力求为用户打造专业的产品与服务信息交流平台。
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