Cell DifferentiationCells, CulturedGene Expression Regulation, DevelopmentalEmbryonic Stem CellsStem CellsTranscription FactorsSignal TransductionCell LineageCell LineEmbryo, MammalianCell DivisionRNA, MessengerGene Expression RegulationMolecular Sequence DataCell ProliferationTretinoinEmbryo, NonmammalianDNA-Binding ProteinsMice, Inbred C57BLSex DifferentiationBase SequenceHomeodomain ProteinsReverse Transcriptase Polymerase Chain ReactionMice, KnockoutPhenotypeMice, TransgenicGene ExpressionImmunohistochemistryTranscription, GeneticCell Culture TechniquesIn Situ HybridizationCell CycleOsteogenesisTrans-ActivatorsAntigens, DifferentiationFlow CytometryOsteoblastsPromoter Regions, GeneticTumor Cells, CulturedGene Expression ProfilingTime FactorsMesenchymal Stromal CellsChick EmbryoModels, BiologicalTransfectionNuclear ProteinsMorphogenesisNeuronsRepressor ProteinsHematopoietic Stem CellsEndodermMesodermPluripotent Stem CellsAmino Acid SequenceEmbryonic DevelopmentMutationAdipogenesisCarcinoma, EmbryonalBasic Helix-Loop-Helix Transcription FactorsBone Marrow CellsBlotting, WesternDown-RegulationApoptosisDimethyl SulfoxideMyoblastsMuscle DevelopmentHL-60 CellsTeratomaDNA PrimersUp-RegulationOctamer Transcription Factor-3Epithelial CellsLeukemia, Erythroblastic, AcuteCell SurvivalB-LymphocytesBone Morphogenetic ProteinsBlastocystFluorescent Antibody TechniqueMembrane ProteinsAdipocytesCell MovementCell NucleusReceptors, NotchKeratinocytesCell AggregationEmbryonal Carcinoma Stem CellsProto-Oncogene ProteinsCoculture TechniquesTransforming Growth Factor betaMyoD ProteinZebrafishBone Morphogenetic Protein 2PhosphorylationEpidermisNerve Tissue ProteinsDNAPlasma CellsCell Line, TumorRNA InterferenceAlkaline Phosphatase