Myocytes, CardiacCell DifferentiationEpimediumEmbryonic Stem CellsVentricular MyosinsGATA4 Transcription FactorHeartMyocardiumCells, CulturedSmad6 ProteinStem CellsSignal TransductionCell Culture TechniquesGene Expression Regulation, DevelopmentalTranscription FactorsBone Morphogenetic ProteinsPluripotent Stem CellsCell LineHomeodomain ProteinsInduced Pluripotent Stem CellsEmbryo, MammalianGene Expression RegulationReverse Transcriptase Polymerase Chain ReactionCell Proliferationbeta CateninWnt ProteinsCardiomegalyAnimals, NewbornCarrier ProteinsMyocardial ContractionRats, Sprague-DawleyApoptosisMice, TransgenicRNA, MessengerHeart VentriclesMice, Inbred C57BLMice, KnockoutCell SizeHypertrophyRats, WistarCell LineageCalciumVentricular RemodelingMitochondria, HeartGene ExpressionTime FactorsImmunohistochemistryMyocardial Reperfusion InjuryCell DivisionBlotting, WesternCell SurvivalSex DifferentiationSarcomeresMuscle CellsCardiotonic AgentsCardiomyopathiesCell EnlargementPhosphorylationPhenotypeRegenerationSarcoplasmic Reticulum Calcium-Transporting ATPasesMolecular Sequence DataDNA-Binding ProteinsTretinoinUp-RegulationTransfectionMuscle ProteinsMyoblasts, CardiacBase SequenceCalcium SignalingDisease Models, AnimalConnexin 43Mesenchymal Stromal CellsEnzyme ActivationHeart FailureIsoproterenolTranscription, GeneticCardiac MyosinsMyosin Heavy ChainsGene Expression ProfilingModels, BiologicalAntigens, DifferentiationIn Situ Nick-End LabelingFibrosisDown-RegulationMyocardial IschemiaAtrial Natriuretic FactorMyocardial InfarctionEnzyme InhibitorsPromoter Regions, GeneticReactive Oxygen SpeciesCoculture TechniquesFlow CytometryMuscle DevelopmentIn Situ HybridizationCell CycleMyoblastsTrans-ActivatorsAdenoviridaeOsteogenesis