Xanthine OxidaseReperfusion InjuryXanthineMyocardial Reperfusion InjuryXanthine DehydrogenaseXanthinesOxygenAllopurinolOxypurinolReperfusionMyocardial ReperfusionNADPH OxidaseReactive Oxygen SpeciesAldehyde OxidaseMolybdenumHypoxanthineSuperoxidesFree RadicalsWounds and InjuriesHypoxanthinesSuperoxide DismutaseOxygen ConsumptionMyocardiumRats, Sprague-DawleyOxidation-ReductionMilkOxidative StressIschemiaFree Radical ScavengersMyocardial IschemiaRats, WistarHydrogen PeroxideUric AcidPeroxidaseBrain InjuriesIschemic PreconditioningPteridinesDisease Models, AnimalHydroxidesHydroxyl RadicalIschemic Preconditioning, MyocardialElectron Spin Resonance SpectroscopyCatalaseAntioxidantsTime FactorsGlucose OxidaseTungstenMalondialdehydeLiverEnzyme InhibitorsMonoamine OxidaseMyocardial InfarctionNitric OxideIschemic PostconditioningUrate OxidaseCardiotonic AgentsAthletic InjuriesProtein-Lysine 6-OxidaseSpinal Cord InjuriesCyclic N-OxidesKineticsMice, Inbred C57BLPurinesNeutrophilsOxidoreductasesMitochondria, HeartL-Lactate DehydrogenasePerfusionLipid PeroxidationApoptosisCattleOxidantsKidneyHeartAcute Kidney InjuryCoronary CirculationCreatine KinaseNecrosisFlavin-Adenine DinucleotideWarm IschemiaCells, CulturedEndothelium, VascularProtective AgentsLung InjuryRabbitsDithioniteNADH, NADPH OxidoreductasesAcetophenonesBrain IschemiaTungsten CompoundsHemodynamicsMyocytes, CardiacDose-Response Relationship, DrugGlutathioneNeutrophil InfiltrationInjury Severity ScoreCardioplegic SolutionsKetone OxidoreductasesMice, KnockoutMyocardial Contraction