MEF2 Transcription FactorsMyogenic Regulatory FactorsMADS Domain ProteinsEnhancer Elements, GeneticMitogen-Activated Protein Kinase 7Transcription FactorsHistone DeacetylasesDNA-Binding ProteinsMuscle CellsMuscle DevelopmentTranscription, GeneticMyoD ProteinPromoter Regions, GeneticCalcineurinMyogeninVentricular MyosinsGene Expression RegulationCyclic AMP Response Element-Binding Protein ALymphoid Enhancer-Binding Factor 1Muscle, SkeletalMolecular Sequence DataGlucose Transporter Type 4MAP Kinase Kinase 5Myosin Heavy ChainsBase SequenceMyoblastsTranscriptional ActivationBinding SitesCells, CulturedMyocytes, CardiacGenes, ReporterNuclear Receptor Subfamily 4, Group A, Member 1Cell LineCell DifferentiationTransfectionProtein BindingGene Expression Regulation, DevelopmentalCell NucleusMyocardiumCalcium-Calmodulin-Dependent Protein Kinase Type 4Muscle ProteinsDNACOS CellsSignal TransductionNuclear ProteinsTCF Transcription FactorsRNA, MessengerMice, TransgenicRepressor ProteinsElectrophoretic Mobility Shift AssayMuscle Fibers, SkeletalPhosphorylationp38 Mitogen-Activated Protein KinasesAmino Acid SequenceCercopithecus aethiopsbeta CateninChromatinAnimals, NewbornNeuronsMutationRecombinant Fusion ProteinsRNA, Small InterferingTrans-ActivatorsDown-RegulationGene ExpressionT Cell Transcription Factor 1Reverse Transcriptase Polymerase Chain ReactionHeLa CellsTranscription Factor 7-Like 2 ProteinCardiomegalyBasic Helix-Loop-Helix Transcription FactorsMusclesAcetylationHeartProtein IsoformsRegulatory Sequences, Nucleic AcidBlotting, WesternChloramphenicol O-AcetyltransferasePrecipitin TestsWnt ProteinsRats, Sprague-DawleyCytoskeletal ProteinsHomeodomain ProteinsProtein Structure, TertiaryPlasmidsMitogen-Activated Protein KinasesMice, Inbred C57BLUp-RegulationWnt3 ProteinMice, KnockoutNFATC Transcription FactorsLuciferasesCalcium-Calmodulin-Dependent Protein KinasesImmunohistochemistrySequence DeletionOrgan SpecificityModels, BiologicalApoptosisWnt Signaling PathwayMyocardial Contraction