
Type:RabbitIgG
Applications:IF;WB;IP
E=ELISA;FACS;FC=FlowCytometry;FPLC=FastProteinLiquidChromatography;GF=GravityFlow;HPLC=HighPerformanceLiquidChromatography;ICC=Immunocytochemistry;IF=Immunofluorescence;IHC=Immunohistochemistry;IP=Immunoprecipitation;NAC=Non-adherentCellAssays;NB=NeutralizationofBioactivity;SE=SandwichELISA;TPE=TargetedProteinExpression;WB=Westernblotting;;AC=AdherentCellAssays;FM=FluorescentMicsroscopy;;;BSC-CM5=BiacoreSensorChipCM5;BSM=BiosactiveSmallMoleculeorPeptide;CDM=CellDifferentiationMedia;;;;;;HealthandFitness;;;DNAExtraction/Purification;;InvivoLikeAssaysSpeciesReactivity:H;M;R
B=Bovine;Ca=Cat;Ch=Chicken;D=Dog;EQ=Equine;GP=GuineaPig;H=Human;M=Mouse;P=Porcine;Pr=Primate;R=Rat;Rb=Rabbit;Y=Yeast;Xe=Xenopus;Ze=Zebrafish;;;;NA-NotApplicable;STP=Step-TactinProteins;AllFormat:AffinityPurified-liquid
Immunogen:Syntheticpeptide(KLH-coupled)residuessurroundingGlu81ofhumanTCF4.

LEF1andTCFaremembersofthehighmobilitygroup(HMG)DNAbindingproteinfamilyoftranscriptionfactorswhichconsistsofthefollowing:Lymphoidenhancerfactor1(LEF1),TCellFactor1(TCF1),TCF3andTCF4(1).LEF1andTCF1wereoriginallyidentifiedasimportantfactorsregulatingearlylymphoiddevelopment(2)andactdownstreaminWntsignaling.LEF1/TCFbindtoWntresponseelementstoprovideadockingsiteforβ-catenin,whichtranslocatestothenucleustopromotethetranscriptionoftargetgenesuponactivationofWntsignaling(3).LEF1/TCFproteinsaredynamicallyexpressedduringdevelopmentandaberrantactivationoftheWntsignalingpathwayisinvolvedinmanytypesofcancersincludingcoloncancer(4,5).
TCF4,alsoknownasTCF7L2,isexpressedwidelyduringdevelopment.GenetargetingstudiesindicatethatTCF4isrequiredtomaintainthecryptstemcellsofthesmallintestine(6,7).TCF4hasseveralsplicingisoformsthatareexpresseddifferentiallyintissuesandduringcancerprogression(8,9).StudiesalsoindicatethatavariantoftheTCF4geneconfersanincreasedriskoftype2diabetes(10).
Image:TCF4(C9B9)stainingofHCT-116cells(left)orSHSY-5Ycells(right)usingTCF4(C9B9)RabbitmAb (green).ActinfilamentshavebeenlabeledwithAlexaFluor®555phalloidin(red).
References:
1.Waterman,M.L.(2004)CancerMetastasisRev.23,41-52.
2.Schilham,M.W.andClevers,H.(1998)Semin.Immunol.10,127-132.
3.Brantjes,H.etal.(2002)Biol.Chem.383,255-261.
4.Reya,T.andClevers,H.(2005)Nature434,843-850.
5.Logan,C.Y.andNusse,R.(2004)Annu.Rev.CellDev.Biol.20,781-810.
6.Cho,E.A.andDressler,G.R.(1998)Mech.Dev.77,9-18.
7.Korinek,V.etal.(1998)Nat.Genet.19,379-383.
8.Howng,S.L.etal.(2004)Int.J.Oncol.25,1685-1692.
9.Shiina,H.etal.(2003)Clin.CancerRes.9,2121-2132.
10.Grant,S.F.etal.(2006)Nat.Genet.38,320-323.
OtherReagentstoConsider:
TCF4(C48H11)
StemCellReagents
AllCancerAntibodies
Diabetes/ObesityAntibodies
AllProteins