Reactive Oxygen SpeciesOxygenOxidative StressHydrogen PeroxideAntioxidantsNADPH OxidaseFree Radical ScavengersMitochondriaOxygen ConsumptionSuperoxide DismutaseOxidation-ReductionCatalaseAcetylcysteineSuperoxidesOxidantsApoptosisMembrane Potential, MitochondrialGlutathioneCells, CulturedSignal TransductionLipid PeroxidationOnium CompoundsReactive Nitrogen SpeciesSinglet OxygenXanthine OxidaseCyclic N-OxidesCell SurvivalCell DeathFree RadicalsHydroxyl RadicalNitric OxideEnzyme ActivationCell Line, TumorDNA DamageGlutathione PeroxidaseEnzyme InhibitorsDose-Response Relationship, DrugRotenoneRats, Sprague-DawleyCell LineMice, Inbred C57BLAscorbic AcidBlotting, Western1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium SaltLuminescent MeasurementsAcetophenonesRespiratory BurstCytochromes cXanthineTime FactorsMitochondrial ProteinsVitamin K 3Oxygen Inhalation TherapyMitochondria, HeartAnoxiaCaspase 3Models, BiologicalElectron Transport Complex IMice, KnockoutPeroxiredoxinsMetalloporphyrinsCell HypoxiaCaspasesNeutrophilsEndothelium, VascularProtein CarbonylationDeoxyguanosineCell RespirationElectron TransportNF-E2-Related Factor 2Spin LabelsParaquatRats, WistarMalondialdehydeNF-kappa BPhosphorylationRNA, MessengerUp-RegulationDNA FragmentationNADH, NADPH Oxidoreductasesp38 Mitogen-Activated Protein KinasesDisease Models, AnimalCytoprotectionTioproninThioredoxinstert-Butylhydroperoxiderac1 GTP-Binding ProteinGene Expression RegulationCalciumUncoupling AgentsThenoyltrifluoroacetoneRNA, Small InterferingHeme Oxygenase-1Endothelial CellsMitochondrial MembranesGlutathione DisulfidePlant ExtractsThiobarbituric Acid Reactive SubstancesDeferoxamineCell Proliferation