VasoconstrictionReceptor, Platelet-Derived Growth Factor alphaReceptors, ProstaglandinReceptors, Adrenergic, alphaDinoprostReceptors, Platelet-Derived Growth FactorVasoconstrictor AgentsMethoxamineNorepinephrinePhentolamineMacrophage Inflammatory ProteinsCorpus LuteumReceptor, Interferon alpha-betaVascular ResistanceRegional Blood FlowRadioimmunoprecipitation AssayPulmonary CirculationReceptors, AdrenergicAnoxiaalpha 1-AntitrypsinReceptors, Tumor Necrosis FactorDose-Response Relationship, DrugAdrenergic alpha-AgonistsChemokine CCL4Receptors, InterferonMonokinesReceptors, Prostaglandin EAdrenergic alpha-AntagonistsPlatelet-Derived Growth FactorBlood PressurePhenylephrinePulmonary ArteryArteriolesVasodilationMolecular Sequence DataEndothelin-1Chemokine CCL3PropranololSignal TransductionReceptors, Tumor Necrosis Factor, Type IReceptors, Adrenergic, alpha-1Prostaglandins FReceptors, Tumor Necrosis Factor, Type IIReceptors, FcRecombinant ProteinsVitreoretinopathy, ProliferativeMesenteric ArteriesShiveringRenal CirculationBase SequenceForearmSkin TemperatureMuscle, Smooth, VascularReceptors, Adrenergic, alpha-2Hypoxia-Inducible Factor 1, alpha SubunitHemodynamicsBody Temperature RegulationRNA, MessengerVasomotor SystemRats, Sprague-DawleyReceptors, ChemokineNitric OxidePrazosinVasodilator AgentsReceptors, Endothelin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidSympathetic Nervous SystemAdrenergic alpha-1 Receptor AgonistsDogsTumor Necrosis Factor-alphaCell LineAntigens, CDTransfectionPerfusionEndothelinsRabbitsReceptor, Endothelin AArteriesSwineGene ExpressionProtein BindingNG-Nitroarginine Methyl EsterLigandsReceptors, CytokineCalciumAngiotensin IIEndothelium, VascularReceptor, Endothelin BRecombinant Fusion ProteinsBinding, Competitivealpha7 Nicotinic Acetylcholine ReceptorBinding SitesAmino Acid SequenceHeadache Disorders, PrimaryPseudopregnancyKineticsReceptors, Cell SurfaceGene Expression RegulationAdrenergic alpha-1 Receptor AntagonistsEnzyme Inhibitors