商品介绍
| Description | |
|---|---|
| CatalogueNumber | AB9668 |
| BrandFamily | Chemicon® |
| TradeName |
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| Description | Anti-TauphosphoThreonine231Antibody |
| BackgroundInformation | Tauisaneuronalmicrotubule-associatedproteinfoundpredominantlyonaxonsandfunctionstopromotetubulinpolymerizationandstABIlizemicrotubules.Tau,initshyperphosphorylatedform,isthemajorcomponentofpairedhelicalfilaments(PHF),thebuildingblockofneurofibrillarylesionsinAlzheimer"sdisease(AD)brain.HyperphosphorylatedTauisalsofoundinneurofibrillarylesionsinarangeofothercentralnervoussystemdisorders.HyperphosphorylationimpairsthemicrotubulebindingfunctionofTau,resultinginthedestabilizationofmicrotubulesinADbrains,ultimatelyleADIngtothedegenerationoftheaffectedneurons.Numerousserine/threoninekinases,includingGSK-3beta,proteinkinaseA(PKA),cyclin-dependentkinase5(cdk5)andcaseinkinaseII(CK2),phosphorylateTau.Threonine231isphosphorylatedbyGSK-3beta,cdk5andcdk1andhasbeenshowntobeinvolvedinthepre-tangleprocessofAD. |
| ProductInformation | |
|---|---|
| Format | AffinityPurified |
| Presentation | Affinitypurifiedimmunoglobulin.LiquidinDulbecco"sPBS(withoutMg2+andCa2+),pH7.3,50%glycerolwith1.0mg/mLBSAand0.05%sodiumazide. |
| StorageandShippingInformation | |
|---|---|
| StorageConditions | Maintainat-20°Cinundilutedforupto6monthsafterdateofreceipt.Avoidrepeatedfreeze/thawcycles.Donotstoreinaselfdefrostingfreezer. |
| BIOLOGicalInformation | |
|---|---|
| Immunogen | SyntheticpeptideofaminoacidssurroundingthephosphoThreonine231siteofhumanTau. |
| Host | Rabbit |
| Specificity | TauphosphoThreonine231.TheantibodyrecognizesTaupThreonine231insamplesofrecombinanthumanTautreatedwithGSK-3betafor45minutes.ThereactivityoftheantibodyisblockedwiththepThreonine231peptidebutnotthenon-phosphopeptideoragenericphosphoThreonine-containingpeptide. |
| SpeciesReactivity |
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| AntibodyType | PolyclonalAntibody |
| EntrezGeneNumber | |
| EntrezGeneSummary | Thisgeneencodesthemicrotubule-associatedproteintau(MAPT)whosetranscriptundergoescomplex,regulatedalternativesplicing,givingrisetoseveralmRNAspecies.MAPTtranscriptsaredifferentiallyexpressedinthenervoussystem,dependingonstageofneuronalmaturationandneurontype.MAPTgenemutationshavebeenassociatedwithseveralneurodegenerativedisorderssuchasAlzheimer"sdisease,Pick"sdisease,frontotemporaldementia,cortico-basaldegenerationandprogressivesupranuclearpalsy. |
| GeneSymbol |
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| Modifications |
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| UniProtNumber | |
| UniProtSummary | FUNCTION:SwissProt:P10636#Promotesmicrotubuleassemblyandstability,andmightbeinvolvedintheestablishmentandmaintenanceofneuronalpolarity.TheC-terminusbindsaxonalmicrotubuleswhiletheN-terminusbindsneuralplasmamembranecomponents,suggestingthattaufunctionsasalinkerproteinbetweenboth.Axonalpolarityispredeterminedbytaulocalization(intheneuronalcell)inthedomainofthecellbodydefinedbythecentrosome.TheshortisoformsallowplasticityoftheCytoskeletonwhereasthelongerisoformsmaypreferentiallyplayaroleinitsstabilization. SIZE:758aminoacids;78878Da SUBUNIT:InteractswithPSMC2throughSQSTM1(Bysimilarity).InteractswithSQSTM1whenpolyubiquitinated. SUBCELLULARLOCATION:Cytoplasm,cytosol.Cellmembrane.Note=Mostlyfoundintheaxonsofneurons,inthecytosolandinassociationwithplasmamembranecomponents. TISSUESPECIFICITY:Expressedinneurons.IsoformPNS-tauisexpressedintheperipheralnervoussystemwhiletheothersareexpressedinthecentralnervoussystem.DEVELOPMENTALSTAGE:Four-repeat(typeII)tauisexpressedinanadult-specificmannerandisnotfoundinfetalbrain,whereasthree-repeat(typeI)tauisfoundinbothadultandfetalbrain. DOMAIN:SwissProt:P10636Thetau/MAPrepeatbindstotubulin.TypeIisoformscontain3repeatswhiletypeIIisoformscontain4repeats. PTM:PhosphorylationatserineandthreonineresiduesinS-PorT-Pmotifsbyproline-directedproteinkinases(PDPK:CDC2,CDK5,GSK-3,MAPK)(only2-3sitesperproteinininterphase,seven-foldincreaseinmitosis,andinPHF-tau),andatserineresiduesinK-X-G-SmotifsbyMAP/microtubuleaffinity-regulatingkinase(MARK)inAlzheimerdiseasedbrains.Phosphorylationdecreaseswithage.Phosphorylationwithintau"srepeatdomainorinflankingregionsseemstoreducetau"sinteractionwith,respectively,microtubulesorplasmamembranecomponents.PhosphorylationonSer-610,Ser-622,Ser-641andSer-673inseveralisoformsduringmitosis.&Polyubiquitinated.RequiresfunctionalTRAF6andmayprovokeSQSTM1-dependentdegradationbytheproteasome(Bysimilarity).PHF-taucanbemodifiedbythreedifferentformsofpolyubiquitination."Lys-48"-linkedpolyubiquitinationisthemajorform,"Lys-6"-linkedand"Lys-11"-linkedpolyubiquitinationalsooccur.&GlycationofPHF-tau,butnotnormalbraintau.Glycationisanon-enzymaticpost-translationalmodificationthatinvolvesacovalentlinkagebetweenasugarandanaminogroupofaproteinmoleculeformingketoamine.Subsequentoxidation,fragmentationand/orcross-linkingofketoamineleadstotheproductionofadvancedglycationendproducts(AGES).GlycationmayplayaroleinstabilizingPHFaggregationleadingtotangleformationinAD. DISEASE:SwissProt:P10636#InAlzheimerdisease,theneuronalcytoskeletoninthebrainisprogressivelydisruptedandreplacedbytanglesofpairedhelicalfilaments(PHF)andstraightfilaments,mainlycomposedofhyperphosphorylatedformsofTAU(PHF-TAUorADP-TAU).&DefectsinMAPTareacauseoffrontotemporaldementiaandparkinsonismlinkedtochromosome17(FTDP17)[MIM:600274,172700];alsocalledfrontotemporaldementia(FTD)orhistoricallytermedPickcomplex.Thisformoffrontotemporaldementiaischaracterizedbypreseniledementiawithbehavioralchanges,deteriorationofcognitivecapacitiesandlossofmemory.Insomecases,parkinsoniansymptomsareprominent.Neuropathologicalchangesincludefrontotemporalatrophyoftenassociatedwithatrophyofthebasalganglia,substantianigra,amygdala.Inmostcases,proteintaudepositsarefoundinglialcellsand/orneurons.&DefectsinMAPTareacauseofpallido-ponto-nigraldegeneration(PPND)[MIM:168610].Theclinicalfeaturesincludeocularmotilityabnormalities,dystoniaandurinaryincontinence,besidesprogressiveparkinsonismanddementia.&DefectsinMAPTareacauseofcorticobasaldegeneration(CBD).Itismarkedbyextrapyramidalsignsandapraxiaandcanbeassociatedwithmemoryloss.NeuropathologicfeaturesmayoverlapAlzheimerdisease,progressivesupranuclearpalsy,andParkinsondisease.&DefectsinMAPTareacauseofprogressivesupranuclearpalsy(PSP)[MIM:601104,260540];alsoknownasSteele-Richardson-Olszewskisyndrome.PSPischaracterizedbyakinetic-rigidsyndrome,supranucleargazepalsy,pyramidaltractdysfunction,pseudobulbarsignsandcognitivecapacitiesdeterioration.Neurofibrillarytanglesandgliosisbutnoamyloidplaquesarefoundindiseasedbrains.Mostcasesappeartobesporadic,withasignificantassociationwithacommonhaplotypeincludingtheMAPTgeneandtheflankingregions.Familialcasesshowanautosomaldominantpatternoftransmissionwithincompletepenetrance;geneticanalysisofafewcasesshowedtheoccurrenceoftaumutations,includingadeletionofAsn-613.&DefectsinMAPTmaybeacauseofhereditarydysphasicdisinhibitiondementia(HDDD)[MIM:607485].HDDDisafrontotemporaldementiacharacterizedbyprogressivecognitivedeficitswithmemorylossandpersonalitychanges,severedysphasicdisturbancesleadingtomutism,andhyperphagia. SIMILARITY:Contains4Tau/MAPrepeats. |
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Millipore常用产品报价单
| 产品名 | 货号 | 公司分类 | 商城分类 | 美金价 |
| Millipore/475855-1R神奇滤布 密理博Millipore现货促销 | 475855-1R | Life Science Research | 膜 | 93.50 | Millipore/17-701/EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit | 17-701 | Life Science Research | 定量试剂盒 | 653.00 | Millipore/RIPAb+ Ago2 - RIP Validated Antibody and Primer Set | 03-110 | Life Science Research | 抗体套装 | 433.00 | Millipore/CBL468F | Anti-PECAM-1 Antibody, clone HC1/6, FITC conjugated/CBL468F/100 assays | CBL468F | Antibodies and Assays | 功能性抗体 | 298.00 | Millipore/ECM460 | αVβ3/PECAM Investigator Kit/ECM460/1 kit | ECM460 | Antibodies and Assays | 夹心法ELISA | 477.00 |
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