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R&D Systems/Human Nogo-A aa 566-748 Antibody/AF3515/100 ug
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SpeciesReactivityHumanSpecificityDetectshumanNogo-AindirectELISAsandWesternblots.IndirectELISAs,approximately5%cross-reactivitywithrecombinantratNogo-A(aa543-725)andrecombinanthumanNogo-Bisobserved..SourcePolyclonalSheepIgGPurificationAntigenAffinity-purifiedImmunogenChinesehamsterovarycelllineCHO-derivedrecombinanthumanNogo-AVal566-Phe748Accession#Q9NQC3FormulationLyophilizedfroma0.2μmfilteredsolutioninPBSwithTrehalose.*Smallpacksize(SP)issuppliedasa0.2µmfilteredsolutioninPBS.LabelUnconjugatedWesternBlot0.1µg/mLRecombinantHumanNogo-AFcChimera,aa566-748(Catalog#3515-NG)Immunocytochemistry5-15µg/mLSeebelowReconstitutionReconstituteat0.2mg/mLinsterilePBS.ShippingTheproductisshippedatambienttemperature.Uponreceipt,storeitimmediatelyatthetemperaturerecommendedbelow.*Smallpacksize(SP)isshippedwithpolarpacks.Uponreceipt,storeitimmediatelyat-20to-70°CStABIlity&StorageUseamanualdefrostfreezerandavoidrepeatedfreeze-thawcycles.12monthsfromdateofreceipt,-20to-70°Cassupplied.1month,2to8°Cundersterileconditionsafterreconstitution.6months,-20to-70°Cundersterileconditionsafterreconstitution.References:Oertle,T.etal.(2003)FASEBJ.17:1238.GrandPre,T.etal.(2000)Nature403:439.Yan,R.etal.(2006)Cell.Mol.LifeSci.63:877.Teng,F.Y.H.etal.(2004)J.NeuRochem.89:801.Chen,M.S.etal.(2000)Nature403:434.Morris,N.J.etal.(1999)Biochim.Biophys.Acta1450:68.GenBankAccession#Q9NQC3.Oertle,T.etal.(2003)J.Neurosci.23:5393.Fournier,A.E.etal.(2001)Nature409:341.Wang,K.C.etal.(2002)Nature420:74.Prinjha,R.etal.(2000)Nature403:384.Dodd,D.A.etal.(2005)J.Biol.Chem.280:12494.Li,M.etal.(2004)Eur.J.Biochem.271:3512.Huber,A.B.andM.E.Schwab(2000)Biol.Chem.381:407.Ng,C.E.L.andB.L.Tang(2002)J.Neurosci.Res.67:559.Dodd,D.A.etal.(2005)J.Biol.Chem.280:12494.Wang,X.etal.(2002)J.Neurosci.22:5505.Acevedo,L.etal.(2004)Nat.Med.10:382.LongName:Reticulon4AEntrezGeneIDs:57142(Human);68585(Mouse);83765(Rat)AlternateNames:NI220;NogoA;Nogo-A;RTN4;RTN4ABackground:HumanNogo-A(alsoreticulon-4)isa memberofthereticulonfamilyoftransmembraneproteins.Thisfamilyischaracterizedbythepresenceofanonsignalsequence-containingN-terminus,atopologicallyconserved200aminoacid(aa)C-terminusthatcontainstwotransmembranedomainswithanER-retentionmotif,andapunctateintracellulardistributionwithintheERthatisreminescentofareticulum(1-4).Inhuman,Nogo existsinfiveisoforms(5-7).Thefulllengthhumanform(Nogo-A)is1192aainlengthandcontainsa1018aaN-terminus,a21aatransmembranesegment,a94aaconnecting“loop”,asecond21aatransmembranesegment,anda38aaC-terminus.Threeareasareofparticularinterest.Oneisastretchof66aawithinthe94aaconnectingloop.ThissegmentisreportedtobindtotheGPI-linkedNogoreceptor/p75complexonaxonsandinducegrowthconecollapse(8-10).TwootherareasintheN-terminushavealsobeendiscoveredtohavebioactivity(8,11,12).Basedonrat, aa57-184inhuman (aa59-172inrat)shouldblockfibroblastspreADIng,whileaa566-748inhuman (aa544-725inrat)blockneuriteoutgrowthandblockfibroblastspreading(8,12,13).TheexacttopologyofNogo-Aisunclear.TheN-andC-terminimaybeextracellularwiththe“loop”regionintracellular,orthesituationcouldbereversed(13-15).Alternatively,theloopregionandN-terminusmaybeonthesamesideofthemembrane(3,8).ThefouradditionalisoformsareshorterthanNogo-A(199aa[Nogo-C],373aa[Nogo-B],392aaand986aa,respectively)(7).Althoughhighlydivergent,allcontainthesameC-terminalstretch,aa1005-1192.BothNogo-BandCarereportedtocomplexwithNogo-A(16).Notably,Nogo-Aisexpressedinneurons,endothelialcells.oligodendrocytes,fibroblastsandmyoblasts(12,16-18).HumanNogo-Ais78%aaidenticaltomouseandratNogo-Aoverall,with98%aaidentityintheloopregionandapproximately80%aaidentityintheaa566-748segment.

      R&D Systems位于美国的明尼苏达州,一直致力于生物制品的开发与生产。公司成立之初主要生产用于医院及临床应用的血控品。1997年,公司推出第一个产品--富血小板血浆质控品;1981年,公司成为全球第二家生产含血小板全血控品的供应商。40多年的发展中,R&D Systems仍持续开发各种血控品产品。

  1985年,作为公司推出的第一个科研试剂产品,也是全球第一家将该产品进行商业化生产的产品,R&D Systems成功上市了TGF-beta1蛋白。作为胞外信号分子,TGF-beta1蛋白在多种细胞中进行表达,并作为胞外信号分子参与免疫功能,细胞增殖和细胞分化等生物学过程。该产品推出后,公司陆续从生物材料中纯化了几种细胞因子产品并推向市场。

  天然蛋白类产品的成功推广,加速了R&D Systems在细胞因子市场的开拓。公司于1985年形成Growth Factor事业部(现Biotechnology事业部)。Biotechnology事业部的目标是生产和营销重组人细胞因子。与天然来源提取蛋白相比较,DNA重组技术生产的蛋白产品其成本更低,产量更高,完全摆脱原料的限制。1989年,Biotechnology事业部开始开发抗细胞因子的单克隆和多克隆抗体,并于1990年开发了第一个ELISA试剂盒。

  2014年2月10日,R&D Systems的母公司宣布命名为Bio-Techne. Bio-Techne旗下包括R&D Systems, Novus Biologicals, BiosPacific, Tocris Bioscience, Boston Biochem和Bionostics。