Cell DifferentiationMyocytes, CardiacCells, CulturedMyocardiumSignal TransductionCell LineMice, Inbred C57BLEmbryonic Stem CellsStem CellsAnimals, NewbornRNA, MessengerGene Expression Regulation, DevelopmentalHeartGene Expression RegulationTranscription FactorsMice, TransgenicMolecular Sequence DataMice, KnockoutCell LineageCell ProliferationCell DivisionReverse Transcriptase Polymerase Chain ReactionGene ExpressionCardiomegalyBase SequenceApoptosisSex DifferentiationRats, Sprague-DawleyImmunohistochemistryMyocardial ContractionTime FactorsDNA-Binding ProteinsPhenotypeLeukemia Virus, MurineTretinoinTransfectionBlotting, WesternCell Culture TechniquesMice, Inbred BALB CCalciumCell SurvivalHomeodomain ProteinsRats, WistarEmbryo, MammalianDisease Models, AnimalTranscription, GeneticHeart VentriclesAntigens, DifferentiationUp-RegulationFlow CytometryMesenchymal Stromal CellsBone Marrow CellsPhosphorylationAmino Acid SequencePromoter Regions, GeneticHematopoietic Stem CellsGene Expression ProfilingCell SizeOsteoblastsGATA4 Transcription FactorOsteogenesisDown-RegulationTumor Cells, CulturedIn Situ HybridizationMutationModels, BiologicalMyoblastsRegenerationMuscle DevelopmentTrans-ActivatorsDNA PrimersEnzyme ActivationCoculture TechniquesMitochondria, HeartFibroblastsCell SeparationPluripotent Stem CellsAdipogenesisMuscle CellsNeuronsFluorescent Antibody TechniqueLeukemia, Erythroblastic, AcuteMembrane ProteinsNuclear ProteinsMoloney murine leukemia virusCell CycleBasic Helix-Loop-Helix Transcription FactorsMice, Inbred StrainsMuscle ProteinsDose-Response Relationship, DrugDimethyl SulfoxideInduced Pluripotent Stem CellsAdipocytesMicroscopy, ConfocalSarcomeresProto-Oncogene ProteinsEnzyme InhibitorsRecombinant ProteinsMesodermKeratinocytes