Atrial Natriuretic FactorReceptors, Atrial Natriuretic FactorNatriuretic AgentsNatriuretic Peptide, BrainNatriuresisNatriuretic Peptide, C-TypeCyclic GMPGuanylate CyclaseCardiomegalyHormonesHeart AtriaNatriuretic PeptidesMyocardiumRats, Inbred StrainsBlood PressureDiuresisKidneyAldosteroneHemodynamicsReninPhenylephrineNeprilysinRadioimmunoassayThyroid HormonesAtrial FunctionHeartReceptors, Cell SurfaceHeart VentriclesCells, CulturedElectrolytesDogsHeart FailureRats, Sprague-DawleyRNA, MessengerSodiumRats, Inbred WKYSodium ChlorideAngiotensin IIPeptide FragmentsArginine VasopressinGonadal Steroid HormonesFollicle Stimulating HormonePurinonesRats, Inbred SHRProtein PrecursorsNorepinephrineRenin-Angiotensin SystemBlood VolumeHypertensionLuteinizing HormoneMyocytes, CardiacDose-Response Relationship, DrugRenal CirculationGene Expression RegulationHeart RateGATA4 Transcription FactorHematocritTime FactorsMuscle ProteinsAdrenal CortexHypotension