Cell DifferentiationEmbryonic DevelopmentGene Expression Regulation, DevelopmentalGene Expression RegulationGene ExpressionGene Expression ProfilingTranscription FactorsRNA, MessengerCells, CulturedMolecular Sequence DataSignal TransductionCell LineBase SequenceTranscription, GeneticStem CellsDNA-Binding ProteinsEmbryo, MammalianReverse Transcriptase Polymerase Chain ReactionOligonucleotide Array Sequence AnalysisEmbryonic Stem CellsCell DivisionPromoter Regions, GeneticHomeodomain ProteinsTretinoinCell LineageIn Situ HybridizationPhenotypeCell ProliferationEmbryonic and Fetal DevelopmentRepressor ProteinsImmunohistochemistryMorphogenesisTrans-ActivatorsAmino Acid SequenceEmbryo, NonmammalianMice, Inbred C57BLMutationMice, KnockoutModels, BiologicalNuclear ProteinsMice, TransgenicTumor Cells, CulturedTransfectionTime FactorsBasic Helix-Loop-Helix Transcription FactorsDNA PrimersGene Expression Regulation, NeoplasticCell CycleMesodermEpigenesis, GeneticDown-RegulationSex DifferentiationHL-60 CellsBlotting, WesternUp-RegulationZebrafishMuscle DevelopmentEpithelial CellsNeuronsApoptosisChick EmbryoOsteogenesisProtein BindingGenes, ReporterOsteoblastsBlotting, NorthernDNA, ComplementaryPregnancyCell Line, TumorProto-Oncogene ProteinsDimethyl SulfoxidePolymerase Chain ReactionGene Expression Regulation, EnzymologicHistonesCell NucleusTranscriptional ActivationDNAReceptors, NotchBlastocystMembrane ProteinsCloning, MolecularEndodermProteinsZebrafish ProteinsNerve Tissue ProteinsEpitheliumKeratinocytesFlow CytometryMesenchymal Stromal CellsHematopoietic Stem CellsOrgan SpecificityDrosophila ProteinsMyoD ProteinMicroRNAsChromatinDNA MethylationCell Culture TechniquesBody PatterningFibroblastsRNA