DNMT1MonoclonalAntibody
MethylationofDNAatcytosineresiduesisimportantinregulationofgeneexpressionandgenomicimprinting.Hyper-methylationofCpGislandsintumorsuppressorgenesorhypomethylationofbulkgenomicDNAmaybelinkedtodevelopmentofcancer.ThusfarthreefamiliesofmammalianDNAmethyl-transferasegeneshavebeenidentified:DNMT1,DNMT2,andDNMT3.DNMT1is
constitutivelyexpressedinproliferatingcells,andinactivationofthisgenecausesglobaldemethylationofgenomicDNAandembryoniclethality.DNMT1co-purifieswiththeretinoblastoma(Rb)tumorsuppressorgeneproductE2F1andwithHDAC1.DNMT1cooperateswithRbtorepresstranscriptionfrompromoterscontainingE2F-bindingsiteswhichsuggestsalinkbetweenDNAmethylation,histonedeacetylaseandsequence-specificDNAbindingactivityaswellasagrowth-regulatorypathwaythatisdisruptedincancercells.
SPECIFICATIONSUMMARYThisantibodyrecognizeshuman,mouse,andZebrafishDNMT1.
Immunoblotting:useat2ug/ml.Abandof
~190kDaisdetected.
Thesearerecommendedconcentrations;endusershoulddetermineoptimalconcentrationsfortheirapplications.
Positivecontrols:ESandH1299celllysates.
DiluteinPBSormediumwhichisidenticaltothatusedintheassaysystem.
Thisantibodyisstableforatleastone(1)yearat-20oC.Avoidrepeatedfreeze-thawcycles.
Forinvitroinvestigationaluseonly.Notintendedfordiagnosticortherapeuticapplications.
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