CatalaseSuperoxidesSuperoxide DismutaseHydrogen PeroxideOxidative StressAntioxidantsReactive Oxygen SpeciesGlutathione PeroxidaseFree Radical ScavengersAmitroleFree RadicalsNADPH OxidaseXanthine OxidaseOxidation-ReductionParaquatAcatalasiaLipid PeroxidationCyclic N-OxidesPeroxidasesOxygenOxidantsGlutathioneNitric OxideMalondialdehydeHydroxyl RadicalNeutrophilsNitroblue TetrazoliumDitiocarbHydroxidesGlutathione ReductaseThiobarbituric Acid Reactive SubstancesManganeseCopperXanthineMetalloporphyrinsSpin LabelsMitochondriaPeroxynitrous AcidElectron Spin Resonance SpectroscopyNADH, NADPH OxidoreductasesCells, CulturedPeroxidasePeroxidesPyrogallolNitratesRats, WistarLuminescent MeasurementsAcetophenonesKineticsEndothelium, VascularMicrobodiesRats, Sprague-DawleyN-Formylmethionine Leucyl-PhenylalanineAscorbic AcidOxidoreductasesLiverGlucose OxidaseAerobiosisLipid PeroxidesEnzyme InhibitorsRespiratory BurstMolecular Sequence DataIronDose-Response Relationship, Drug1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium SaltNADPCattleNitric Oxide SynthasePlant ExtractsErythrocytesCyanidesSpin TrappingBiopterinNitric Oxide Synthase Type IIIGene Expression Regulation, EnzymologicVasodilationOnium CompoundsMolsidomineSodium AzideAscorbate PeroxidasesHypoxanthineTime FactorsAmyotrophic Lateral SclerosisOxygen ConsumptionVitamin K 3Escherichia coliEnzyme ActivationHemeApoptosisRNA, MessengerSpectrophotometryAmino Acid SequenceAzidesMutationEnzyme InductionGranulomatous Disease, ChronicProtein CarbonylationCell SurvivalTetradecanoylphorbol AcetateMice, Inbred C57BL