Atrial Natriuretic FactorReceptors, Atrial Natriuretic FactorReceptor, Endothelin AReceptors, EndothelinNatriuretic AgentsNatriuretic Peptide, BrainNatriuresisNatriuretic Peptide, C-TypeReceptor, Endothelin BEndothelinsCyclic GMPGuanylate CyclaseCardiomegalyHeart AtriaMyocardiumNatriuretic PeptidesEndothelin-1Blood PressureRats, Inbred StrainsDiuresisKidneyHemodynamicsAldosteroneReninNeprilysinPhenylephrineAtrial FunctionRadioimmunoassayHeartHeart VentriclesRats, Inbred WKYAngiotensin IIReceptors, Cell SurfaceElectrolytesHeart FailureDogsCells, CulturedRats, Sprague-DawleySodium ChlorideRats, Inbred SHRProtein PrecursorsHypertensionSodiumPeptide FragmentsRenal CirculationRenin-Angiotensin SystemArginine VasopressinPurinonesRNA, MessengerNorepinephrineBlood VolumeVascular ResistanceMyocytes, CardiacHormonesHeart RateHematocritGATA4 Transcription FactorHypotensionConsciousnessHypertrophyDose-Response Relationship, DrugGlomerular Filtration RateAortaAdrenal CortexMuscle ProteinsSodium, DietaryEndothelin-3DiureticsGene Expression RegulationAnimals, NewbornTime FactorsMuscle, Smooth, VascularDesoxycorticosteroneVasopressinsPeptides, CyclicMyosin Heavy ChainsNitroprussideGene ExpressionHypertension, RenovascularMolecular Sequence Data3',5'-Cyclic-GMP PhosphodiesterasesEndothelin-2HyponatremiaSuspensionsBinding, CompetitiveRh IsoimmunizationRats, WistarVasoconstrictionCardiomyopathy, RestrictiveCardiac OutputBiological MarkersAntihypertensive AgentsAmino Acid SequenceInfusions, IntravenousAorta, ThoracicMyocardial ContractionChromatography, High Pressure LiquidViper VenomsVasodilationSympathectomy, Chemical