Xanthine OxidaseXanthineXanthine DehydrogenaseXanthinesAllopurinolOxypurinolNADPH OxidaseAldehyde OxidaseDrug Inverse AgonismHypoxanthineSuperoxidesHypoxanthinesFree RadicalsMilkUric AcidPteridinesOxidation-ReductionSuperoxide DismutaseGlucose OxidaseTungstenMonoamine OxidaseHydroxidesReactive Oxygen SpeciesElectron Spin Resonance SpectroscopyUrate OxidaseProtein-Lysine 6-OxidaseHydrogen PeroxideHydroxyl RadicalCatalaseOxidoreductasesOxygenFree Radical ScavengersCattleKineticsFlavin-Adenine DinucleotidePurinesOxidative StressDithioniteEnzyme InhibitorsTungsten CompoundsNADH, NADPH OxidoreductasesCyclic N-OxidesKetone OxidoreductasesAntioxidantsLiverD-Amino-Acid OxidaseIronAcetophenonesVitamin A DeficiencyMonoamine Oxidase InhibitorsDeficiency DiseasesNitric OxideSpectrophotometryOnium CompoundsUricosuric AgentsOxidantsalpha 1-Antitrypsin DeficiencyFlavinsBenzaldehydesAscorbate OxidaseDiabetes ComplicationsCoenzymesAldehyde OxidoreductasesGalactose OxidaseVitamin B 12 DeficiencyNADGout SuppressantsHyperuricemiaCopperRats, Sprague-DawleyPterinsAcyl-CoA OxidaseLipid PeroxidationCells, CulturedDesulfovibrio gigasLiquid VentilationVitamin D DeficiencyEndothelium, VascularCholesterol OxidaseL-Amino Acid OxidaseHydrogen-Ion ConcentrationPeroxidaseLuminescent MeasurementsPyruvate OxidaseFolic Acid DeficiencyOxidoreductases Acting on Sulfur Group DonorsSulfurIgA DeficiencySulfite OxidaseGlutathioneThiamine DeficiencyElectron TransportMolecular Sequence DataDose-Response Relationship, DrugDitiocarbNeutrophilsCytochrome-c Oxidase DeficiencyMice, KnockoutPancreatinRats, Wistar