Cell DifferentiationEmbryonic DevelopmentGene Expression Regulation, DevelopmentalTranscription FactorsCells, CulturedSignal TransductionStem CellsMolecular Sequence DataCell LineRNA, MessengerEmbryo, MammalianEmbryonic Stem CellsGene Expression RegulationCell DivisionTretinoinDNA-Binding ProteinsBase SequenceCell LineageEmbryonic and Fetal DevelopmentHomeodomain ProteinsCell ProliferationPhenotypeIn Situ HybridizationMorphogenesisTranscription, GeneticImmunohistochemistryGene ExpressionEmbryo, NonmammalianRepressor ProteinsReverse Transcriptase Polymerase Chain ReactionMice, KnockoutAmino Acid SequenceTrans-ActivatorsPromoter Regions, GeneticMice, Inbred C57BLBasic Helix-Loop-Helix Transcription FactorsSex DifferentiationMesodermModels, BiologicalGene Expression ProfilingMice, TransgenicMutationHL-60 CellsCell CycleTumor Cells, CulturedNuclear ProteinsMuscle DevelopmentTime FactorsEpigenesis, GeneticOsteogenesisChick EmbryoZebrafishTransfectionNeuronsDNA PrimersEpithelial CellsDimethyl SulfoxideOsteoblastsDown-RegulationApoptosisBlotting, WesternReceptors, NotchBlastocystPregnancyProto-Oncogene ProteinsEndodermMesenchymal Stromal CellsHematopoietic Stem CellsProtein BindingEpitheliumUp-RegulationKeratinocytesZebrafish ProteinsMyoD ProteinMembrane ProteinsInhibitor of Differentiation Protein 1Flow CytometryNerve Tissue ProteinsHistonesCell NucleusCell Culture TechniquesBone Marrow CellsOligonucleotide Array Sequence AnalysisEpidermisDNA, ComplementaryDNAProteinsFluorescent Antibody TechniqueDrosophila ProteinsBody PatterningInhibitor of Differentiation Protein 2Wnt ProteinsCloning, MolecularPolymerase Chain ReactionCell Line, TumorAdipocytesLeukemia, Erythroblastic, AcuteBlotting, NorthernAntigens, DifferentiationChondrogenesis