Nitric OxideNitric Oxide SynthaseArginineNG-Nitroarginine Methyl EsterNitric Oxide Synthase Type IIINitric Oxide Synthase Type IINitric Oxide Donorsomega-N-MethylarginineAmino Acid OxidoreductasesCitrullineCyclic GMPNitroprussideNitratesEnzyme InhibitorsNitric Oxide Synthase Type IVasodilationVasodilator AgentsEndothelium, VascularNitritesRats, Sprague-DawleyNitroarginineRats, WistarSignal TransductionDose-Response Relationship, DrugBlood PressureMethylene BlueRelaxinMuscle RelaxationAcetylcholineNitrogen OxidesS-Nitroso-N-AcetylpenicillamineForearmOxidesCells, CulturedPenicillamineMuscle, Smooth, VascularRegional Blood FlowMolsidomineGuanylate CyclaseS-NitrosoglutathioneS-NitrosothiolsZinc OxideLipopolysaccharidesNADPH DehydrogenaseEnzyme InductionPeroxynitrous AcidIndazolesOxadiazolesSuperoxidesExhalationBreath TestsGuanidinesMacrophagesFree Radical ScavengersRNA, MessengerAdministration, InhalationMice, Inbred C57BLVasoconstrictionTriazenesAortaOxidative StressArginaseTime FactorsHydrazinesMice, KnockoutOxygenNitrosationGene Expression Regulation, EnzymologicInterferon-gammaDisease Models, AnimalReactive Oxygen SpeciesBlotting, WesternEndothelial CellsOxidation-ReductionTumor Necrosis Factor-alphaDiethylaminesBradykininAmidinesQuinoxalinesIndomethacinReactive Nitrogen SpeciesCyclic GMP-Dependent Protein KinasesSuperoxide DismutaseImmunohistochemistryAorta, ThoracicArteriolesVascular ResistanceMacrophage ActivationHemodynamicsCyclooxygenase InhibitorsEnzyme ActivationInterleukin-1Cell LineMacrophages, PeritonealIsothiuroniumEndothelium-Dependent Relaxing FactorsRabbitsMicrocirculationIsoenzymesLung