Myocytes, CardiacCell DifferentiationEmbryonic Stem CellsHeartEmbryoid BodiesMyocardiumCells, CulturedStem CellsGene Expression Regulation, DevelopmentalGATA4 Transcription FactorMyoblasts, CardiacBone Morphogenetic Protein 4MesodermSignal TransductionSOXD Transcription FactorsPluripotent Stem CellsInduced Pluripotent Stem CellsMyocardial ContractionCell LineageTranscription FactorsSOXF Transcription FactorsCell Culture TechniquesCell LineWnt ProteinsHomeodomain ProteinsOrganogenesisBone Morphogenetic ProteinsEmbryo, MammalianCell ProliferationReverse Transcriptase Polymerase Chain ReactionEndodermGene Expression RegulationTroponin TRNA, MessengerXenopus ProteinsTime FactorsCardiomegalybeta CateninMesenchymal Stromal CellsGene ExpressionScienceCardiac OutputMyosin Light ChainsCoculture TechniquesAnimals, NewbornSmad ProteinsArrhythmias, CardiacFlow CytometryHeart VentriclesFibroblast Growth Factor 2Rats, Sprague-DawleyMice, TransgenicCardiac Surgical ProceduresMice, Inbred C57BLDeath, Sudden, CardiacResearch PersonnelMice, KnockoutCalciumRats, WistarApoptosisSex DifferentiationCell DivisionMolecular Sequence DataImmunohistochemistryPhenotypeHeart DiseasesCardiac MyosinsCardiomyopathiesHeart FailureBase SequenceBlotting, WesternCardiotonic AgentsDNA-Binding ProteinsTretinoinMitochondria, HeartModels, BiologicalCardiac Pacing, ArtificialVentricular RemodelingMuscle ProteinsSarcomeresPhosphorylationCell SurvivalHistory, 20th CenturyDisease Models, AnimalMyocardial InfarctionCell SizeTransfectionResearchMuscle CellsBiological MarkersGene Expression ProfilingUp-RegulationMyocardial Reperfusion InjuryCardiac TamponadeBiomedical ResearchRegenerationIsoproterenolMyocardial IschemiaTranscription, GeneticAntigens, Differentiation