Myocytes, CardiacApoptosisMyocardiumCardiomegalyCaspase 3CaspasesCells, CulturedCysteine Proteinase InhibitorsRats, Sprague-DawleyMuscle CellsHeartIn Situ Nick-End LabelingVentricular RemodelingDNA FragmentationHeart VentriclesProto-Oncogene Proteins c-bcl-2Signal Transductionbcl-2-Associated X ProteinMyocardial ContractionCardiomyopathiesAnimals, NewbornCytochromes cPapio anubisHeart FailureReceptors, Adrenergic, beta-1Mitochondria, HeartApoptosis Regulatory ProteinsCell SurvivalMice, TransgenicMyocardial Reperfusion InjuryBlotting, WesternDisease Models, AnimalTime FactorsEnzyme ActivationMice, Inbred C57BLMyocardial IschemiaMice, KnockoutCardiac OutputMyocardial InfarctionCell SizeOxidative StressPhosphorylationVentricular Function, LeftEnzyme InhibitorsFibrosisAdrenergic beta-AgonistsInhibitor of Apoptosis ProteinsReceptors, Adrenergic, betaGene Expression RegulationFlavonolsArrhythmias, CardiacSarcomeresHemodynamicsEchocardiographyProto-Oncogene ProteinsProto-Oncogene Proteins c-aktTumor Suppressor Protein p53CalciumArterio-Arterial FistulaMyosin Heavy ChainsTumor Necrosis Factor-alphaCardiac Surgical ProceduresDeath, Sudden, CardiacIsoproterenolHypertrophyX-Linked Inhibitor of Apoptosis ProteinHeart DiseasesRNA, MessengerCell Line, TumorGATA4 Transcription FactorApoptosis Inducing FactorCaspase InhibitorsTransfectionCASP8 and FADD-Like Apoptosis Regulating ProteinCaspase 9Models, CardiovascularCell LineRats, WistarMitochondriaMEF2 Transcription FactorsCaspase 8Atrial Natriuretic FactorVentricular FunctionDose-Response Relationship, DrugNecrosisCalcium SignalingRabbitsFas Ligand ProteinCardiotonic AgentsMyogenic Regulatory FactorsGene ExpressionReactive Oxygen SpeciesMyocarditisCardiac Pacing, ArtificialCardiomyopathy, DilatedPhenylephrineCell ProliferationCell DivisionCell DeathMitogen-Activated Protein Kinases