Description | TheneuraladhesionmoleculeContactin-6,alsoknownasNB-3,isacontactin/F3subgroupmemberofimmunoglobulinsuperfamily.Itisexpressedexclusivelyinthenervoussystemandmainlyupregulatedattheearlypostnatalstageduringmousebraindevelopment.EmployingNorthernblotanalysisKameietalfoundthatamongstdifferentregionsoftheadulthumannervoussystemcerebellumexpressedhighestlevelofNB-3mRNA.TheexpressionofNB-3inthecerebellumincreasesuntiladulthood.Incontrast,theexpressioninthecerebrumdeclinestoalowlevelafterpostnatalday7.NB-3likeotherneuralrecognitionmoleculesplaysavitallyimportantroleinaxonalguidanceduringdevelopment,plasticity,andmaintenanceofsynapticconnectionsintheadultbrain.CuietalrecentlyshowedthatNB-3actsasanovelNotchligandtoparticipateinoligodendrocytegeneration.FurThermore,NB-3triggersnucleartranslocationoftheNotchintracellulardomainandpromotesoligodendrogliogenesisfromProgenitorcellsanddifferentiationofoligodendrocyteprecursorcellsviaDeltex1.Inprimaryoligodendrocytes,NB-3increasesmyelin-associatedglycoproteintranscripts.Hence,theNB-3/Notchsignalingpathwaymaybeworthwhileacloserexaminationforitspotentialforthetreatmentofdemyelinatingdiseases.HumanNB-3shareswithratNB-386%identityinnucleotidesequencesand90%identityinaminoacidsequences.FUNCTION:Contactinsmediatecellsurfaceinteractionsduringnervoussystemdevelopment.ParticipatesinoligodendrocytesgenerationbyactingasaligandofNOTCH1.ItsassociationwithNOTCH1promotesNOTCH1activationthroughthereleasednotchintracellulardomain(NICD)andsubsequenttranslocationtothenucleus.Involvedinmotorcoordination.SUBCELLULARLOCATION:Cellmembrane;lipid-anchor;GPI-anchor.ALTERNATIVEPRODUCTS:2namedisoformsproducedbyalternativesplicing.TISSUESPECIFICITY:Expressedinbrain.Inbrain,itispreferentiallyexpressedintheaccessoryolfactorybulb,layersII/IIIandVofthecerebralcortex,piriformcortex,anteriorthalamicnuclei,locuscoeruleusoftheponsandmesencephalictrigeminalnucleusandinPurkinjecellsofthecerebellum.DEVELOPMENTALSTAGE:Highlyexpressedafterbirth,reachingamaximumatthepostnatalday7,anddeclinesthereafterinthecerebrum,whereasitincreasesinthecerebellumtoadulthood. |
BatchNo. | Seeproductlabel |
Unitsize | 100µl |
Antigen | Asyntheticpeptide(KLHKMSSLSSVGVQILKPSTQF)aspartofratcontactin-6conjugatedtoKLHhasbeenusedastheimmunogen. |
OtherNames | NeuralrecognitionmoleculeNB-3;mNB-3 |
Accession | CNTN6_RAT |
Producedin | Rabbit |
Purity | Wholeserum |
Applications | IHC.Adilutionof1:1000to1:5000isrecommended.Biosensisrecommendsoptimaldilutions/concentrationsshouldbedeterminedbytheenduser. |
Specificity | ThisantiserumstainsbeautifullytheNB3inDRG,whereitnicelystainsasubpopulationofneuronsandinthetrigeminalnerveroot,wherestainingisrestrictedtotheoligodendrocytes. |
Cross-reactivity | ConfirmedtoreactwithratContactin-6 |
Blastit | Ifyouwouldliketousethisproductinanotherspeicesotherthanthosespecifiedhere,ortoseethesharedidentitybetweentheimmunogenusedhereindifferentspeciesand/orothermolecules,simplycopytheimmunogen(fromtheImmunogenfield)andpasteitHEREandblast/formatit.Notethat,antiseraraisedagainstsyntheticpeptidesarequiteoftenveryspecificforthatpeptideie,onlyonesingleaminoaciddifferencemaybeenoughtorestrictthespecificitytoaparticularmolecule.Regardless,youcanalwayscontactusifyouneedassistancewiththis. |
Form | Lyophilised |
Reconstitution | Reconstitutein100µlofsterilewater.Centrifugetoremoveanyinsolublematerial. |
Storage | Afterreconstitutionkeepaliquotsatminus20ºCforincreasedstABIlity,andat4ºCwithanappropriateantibacterialagent.Glycerol(1:1)maybeaddedforanadditionalstability.Avoidrepetitivefreeze/thawcycles. |
ExpiryDate | 12monthsafterpurchase |
References | 1.Kameietal(1998)JNeurosciRes.51(3):275-83 2.Takedaetal(2003)JNeurobiol.56(3):252-65 3.Leeetal(2000)Gene.245(2):253-66 4.Cuietal(2004)JBiolChem.279(24):25858-65 |
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