Myocytes, CardiacProtein PrecursorsCell DifferentiationStem CellsCells, CulturedMyocardiumAnimals, NewbornHeartOligodendrogliaVulvaCell LineageGene Expression Regulation, DevelopmentalCardiomegalySignal TransductionRats, Sprague-DawleyAmyloid beta-Protein PrecursorNeural Stem CellsMice, TransgenicMice, Inbred C57BLMyocardial ContractionEmbryonic Stem CellsMolecular Sequence DataHematopoietic Stem CellsRats, WistarNeuronsRNA, MessengerImmunohistochemistryEnzyme PrecursorsHeart VentriclesCell LineTranscription FactorsCell ProliferationApoptosisBase SequenceCalciumBone Marrow CellsTime FactorsMice, KnockoutCell DivisionCell SurvivalAmino Acid SequenceRNA PrecursorsGene Expression RegulationMitochondria, HeartGene ExpressionMyoblasts, CardiacErythroid Precursor CellsHomeodomain ProteinsNerve Tissue ProteinsNestinCell SizeRegenerationReverse Transcriptase Polymerase Chain ReactionGreen Fluorescent ProteinsMutationEmbryo, MammalianStem Cell TransplantationCell SeparationPhenotypeNeurogenesisBasic Helix-Loop-Helix Transcription FactorsMicroscopy, ConfocalBlotting, WesternMyocardial Reperfusion InjuryCardiotonic AgentsSarcomeresCell CountMembrane ProteinsCell MovementGATA4 Transcription FactorIn Situ HybridizationChick EmbryoMuscle CellsDisease Models, AnimalMuscle ProteinsProtein Processing, Post-TranslationalCell Culture TechniquesNeurogliaPrecursor Cells, T-LymphoidCell TransplantationCalcium Channels, L-TypeIsoproterenolFlow CytometryNucleic Acid PrecursorsModels, BiologicalDNA-Binding ProteinsCalcium SignalingMonocyte-Macrophage Precursor CellsReceptors, NotchHypertrophyBromodeoxyuridineMorphogenesisMesodermEmbryo, NonmammalianTransfectionMyoblastsConnexin 43PhosphorylationAmyloid Precursor Protein SecretasesEnzyme Activation