Cell DifferentiationCell DivisionCells, CulturedStem CellsGene Expression Regulation, DevelopmentalTranscription FactorsSignal TransductionCell LineageCell LineSex DifferentiationMolecular Sequence DataCell ProliferationEmbryonic Stem CellsRNA, MessengerGene Expression RegulationAsymmetric Cell DivisionCell CyclePhenotypeTretinoinDNA-Binding ProteinsBase SequenceMutationHomeodomain ProteinsMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionModels, BiologicalImmunohistochemistryMitosisCell Nucleus DivisionAntigens, DifferentiationGene ExpressionOsteogenesisOsteoblastsTime FactorsMice, TransgenicNeuronsMice, KnockoutTranscription, GeneticAmino Acid SequenceMesenchymal Stromal CellsAdipogenesisCell Culture TechniquesEmbryo, MammalianIn Situ HybridizationHematopoietic Stem CellsFlow CytometryMyoblastsNuclear ProteinsTrans-ActivatorsGene Expression ProfilingMorphogenesisMuscle DevelopmentBone Marrow CellsPromoter Regions, GeneticTumor Cells, CulturedMembrane ProteinsCell Cycle ProteinsDimethyl SulfoxideKeratinocytesAdipocytesBasic Helix-Loop-Helix Transcription FactorsTransfectionCell NucleusBlotting, WesternRepressor ProteinsEpidermisDown-RegulationApoptosisDNA PrimersReceptors, NotchLeukemia, Erythroblastic, AcuteHL-60 CellsEmbryo, NonmammalianNerve Tissue ProteinsDrosophila ProteinsCell SurvivalNeural Stem CellsBone Morphogenetic ProteinsMesodermUp-RegulationEpithelial CellsFluorescent Antibody TechniqueMicroscopy, FluorescenceMyoD ProteinAlkaline PhosphataseProtein BindingPhosphorylationCell PolarityGreen Fluorescent ProteinsCarrier ProteinsNeurogenesisProto-Oncogene ProteinsBone Morphogenetic Protein 2BromodeoxyuridineCytoskeletal ProteinsDNAChick EmbryoCore Binding Factor Alpha 1 SubunitMyogeninMeiosis