Receptor, Endothelin AReceptors, EndothelinReceptor, Endothelin BEndothelinsEndothelin-1Endothelin-3Peptides, CyclicEndothelin-2Viper VenomsPhenylpropionatesPiperidinesSulfonamidesHormone AntagonistsRats, Sprague-DawleyDose-Response Relationship, DrugPyrrolidinesDopamine AntagonistsExcitatory Amino Acid AntagonistsNeurokinin-1 Receptor AntagonistsVasoconstrictionNarcotic AntagonistsAzepinesHistamine H2 AntagonistsInterleukin 1 Receptor Antagonist ProteinOligopeptidesMuscarinic AntagonistsRats, WistarGABA AntagonistsHistamine H1 AntagonistsPurinergic P1 Receptor AntagonistsVasoconstrictor AgentsBlood PressureIndansAspartic Acid EndopeptidasesHistamine AntagonistsNicotinic AntagonistsAngiotensin Receptor AntagonistsAdenosine A2 Receptor AntagonistsAdrenergic alpha-1 Receptor AntagonistsPurinergic P2 Receptor AntagonistsAntihypertensive AgentsBinding, CompetitiveCells, CulturedRadioligand AssaySerotonin 5-HT3 Receptor AntagonistsSerotonin 5-HT2 Receptor AntagonistsIndolesEndothelium, VascularRNA, MessengerAdenosine A1 Receptor AntagonistsCalciumMuscle, Smooth, VascularMuscle ContractionLeukotriene AntagonistsTetrazolesPyridinesPeptidesMetalloendopeptidasesGuinea PigsSignal TransductionAdrenergic alpha-2 Receptor AntagonistsCalcium Channel BlockersAdrenergic AntagonistsGABA-A Receptor AntagonistsTime FactorsAngiotensin IIAdrenergic alpha-AntagonistsBiphenyl CompoundsHemodynamicsNitric OxideHistamine H3 AntagonistsKidneyDisease Models, AnimalDrug InteractionsPyrimidinesReceptors, SerotoninHypertension, PulmonaryNorepinephrineAdrenergic beta-2 Receptor AntagonistsEnzyme InhibitorsDioxanesHypertensionReceptors, N-Methyl-D-AspartateMuscle, SmoothPyrazolesRats, Inbred WKYRats, Inbred StrainsDioxolesLosartanVasodilator AgentsProtein PrecursorsPiperazinesRenal CirculationVascular ResistanceSerotonin 5-HT1 Receptor AntagonistsRabbitsPeptide FragmentsDizocilpine MaleatePyridazinesSubstance P