Receptors, EndothelinReceptor, Endothelin AReceptor, Endothelin BEndothelinsEndothelin-1Endothelin-3Vasoconstrictor AgentsPeptides, CyclicViper VenomsEndothelin-2VasoconstrictionPhenylpropionatesSulfonamidesPyrrolidinesAzepinesIndansAntihypertensive AgentsOligopeptidesPiperidinesHypertension, PulmonaryBlood PressureRats, Sprague-DawleyVascular ResistanceMuscle, Smooth, VascularVasodilator AgentsHemodynamicsRenal CirculationEndothelium, VascularAspartic Acid EndopeptidasesMesenteric ArteriesRats, WistarRegional Blood FlowVasodilationDose-Response Relationship, DrugIsoxazolesNitric OxidePyridazinesNorepinephrinePulmonary ArteryVasomotor SystemAngiotensin IITetrazolesArteriolesMetalloendopeptidasesKidneyMuscle ContractionRats, Inbred WKYForearmEisenmenger ComplexDioxolesRNA, MessengerCoronary VesselsHypertensionPyrimidinesAortaPhenylephrineBinding, CompetitiveMelanocytesRadioligand AssayNitric Oxide SynthaseRats, Inbred SHRIndolesNG-Nitroarginine Methyl EsterIodine RadioisotopesDogsThiophenesDansyl CompoundsArteriesPyridinesEpoprostenolProtein PrecursorsHirschsprung DiseaseEnzyme InhibitorsPulmonary Circulation15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidSympathetic Nervous SystemCells, CulturedAorta, ThoracicCalciumDesoxycorticosteroneRenal ArteryHeart RateAcetylcholineSwineMyocardiumRabbitsSignal TransductionDioxanesTime FactorsDisease Models, AnimalBlood VesselsNitroarginineAnoxiaMolecular Sequence DataPotassium ChloridePerfusionScleroderma, SystemicPhosphodiesterase 5 InhibitorsGene ExpressionSulfones