FibrosisEndomyocardial FibrosisCystic FibrosisMyocardiumMyocytes, CardiacCardiomegalyVentricular RemodelingHeartCardiomyopathiesHeart DiseasesCollagen Type IIICollagenDisease Models, AnimalFibroblastsMyofibroblastsCardiac OutputAngiotensin IICystic Fibrosis Transmembrane Conductance RegulatorMice, Inbred C57BLHeart VentriclesCollagen Type IHeart FailureTransforming Growth Factor betaHydroxyprolineBlood PressureArrhythmias, CardiacHypertrophy, Left VentricularMice, KnockoutCardiac Surgical ProceduresRats, Sprague-DawleyIdiopathic Pulmonary FibrosisDeath, Sudden, CardiacEchocardiographyBufanolidesMice, TransgenicConnective Tissue Growth FactorVentricular Dysfunction, LeftVentricular Function, LeftSpironolactoneCells, CulturedMyocardial ContractionLiver CirrhosisHypertensionTime FactorsMineralocorticoid Receptor AntagonistsCardiomyopathy, DilatedSmad2 ProteinCell TransdifferentiationSignal TransductionAldosteroneHeart Failure, DiastolicMyocardial InfarctionHeart RateRetroperitoneal FibrosisReceptors, MineralocorticoidTransforming Growth Factor beta1RNA, MessengerDesoxycorticosteroneHemodynamicsDiabetic CardiomyopathiesRats, WistarAngiotensinsCardiac Pacing, ArtificialCardiac TamponadeSodium Chloride, DietaryCardiotonic AgentsExtracellular MatrixCardiac CatheterizationMyocarditisOsteopontinTetrazolesMatrix Metalloproteinase 2Rats, TransgenicBiological MarkersRandom AllocationPeptidyl-Dipeptidase ARats, Inbred SHRSmad3 ProteinOrgan SizeVentricular PressureGene Expression RegulationBiphenyl CompoundsReceptor, Angiotensin, Type 1Heart ArrestEndothelin-1Angiotensin II Type 1 Receptor BlockersRats, Inbred DahlMitochondrial Trifunctional Protein, alpha SubunitBleomycinGene ExpressionTissue Inhibitor of Metalloproteinase-1ChymasesImmunohistochemistryStroke VolumeBlotting, WesternDiastoleReverse Transcriptase Polymerase Chain ReactionMyoblasts, CardiacHydralazineElectrocardiography