FibroblastsCell ProliferationCells, CulturedMyocardiumMyocytes, CardiacFibrosisHeartSignal TransductionCollagenFibroblast Growth Factor 2Cell DivisionRats, Sprague-DawleyRNA, MessengerMyofibroblastsCardiac OutputCell DifferentiationFibroblast Growth FactorsAngiotensin IIVentricular RemodelingCell LineApoptosisCardiomegalyCollagen Type IGene Expression RegulationTime FactorsMice, Inbred C57BLExtracellular MatrixBlotting, WesternHeart VentriclesAnimals, NewbornTransforming Growth Factor beta1PhosphorylationGene ExpressionCell MovementArrhythmias, CardiacCardiac Surgical ProceduresDose-Response Relationship, DrugMice, KnockoutImmunohistochemistryReverse Transcriptase Polymerase Chain ReactionDeath, Sudden, CardiacReceptors, Fibroblast Growth FactorCell SurvivalSkinCell CycleTransfectionMyoblasts, CardiacParacrine CommunicationUp-RegulationFibroblast Growth Factor 1Rats, WistarCell Line, TumorCell TransdifferentiationActinsTransforming Growth Factor betaHeart DiseasesMice, TransgenicDNADisease Models, AnimalMolecular Sequence DataReceptors, AngiotensinEnzyme InhibitorsEnzyme ActivationRNA, Small InterferingCardiomyopathiesExtracellular Signal-Regulated MAP KinasesMyocardial InfarctionCulture Media, ConditionedMyocardial ContractionBromodeoxyuridineReceptor, Fibroblast Growth Factor, Type 1PhenotypeBase SequenceMitogen-Activated Protein KinasesWound HealingGrowth SubstancesFibronectinsCell Culture TechniquesFlow CytometryMitogen-Activated Protein Kinase 3Transcription FactorsCell AdhesionCell CommunicationCardiac Pacing, ArtificialCardiac TamponadePlatelet-Derived Growth FactorCell Transformation, NeoplasticReceptor, Fibroblast Growth Factor, Type 2Fluorescent Antibody TechniqueThymidineCollagen Type IIISmad2 ProteinMAP Kinase Signaling SystemHeart FailureMitogen-Activated Protein Kinase 1Proto-Oncogene Proteins c-aktRecombinant ProteinsAutocrine CommunicationMitogensEndothelin-1