Reactive Oxygen SpeciesReperfusion InjuryNitric OxideMyocardial Reperfusion InjuryNitric Oxide SynthaseIschemiaOxygenReperfusionOxidative StressMyocardial IschemiaMyocardial ReperfusionNitric Oxide Synthase Type IIHydrogen PeroxideBrain IschemiaAntioxidantsNitric Oxide Synthase Type IIIRats, Sprague-DawleyFree Radical ScavengersNitric Oxide DonorsNADPH OxidaseSuperoxide DismutaseRats, WistarApoptosisMyocardiumMitochondriaNitric Oxide Synthase Type IIschemic PreconditioningSuperoxidesOxidation-ReductionOxygen ConsumptionDisease Models, AnimalEnzyme InhibitorsCatalaseIschemic Preconditioning, MyocardialCells, CulturedTime FactorsSignal TransductionAcetylcysteineMice, Inbred C57BLOxidantsNG-Nitroarginine Methyl EsterGlutathioneLipid PeroxidationPeroxidaseMalondialdehydeEndothelium, VascularNitritesMembrane Potential, MitochondrialCardiotonic AgentsCell DeathMyocardial InfarctionMitochondria, HeartDose-Response Relationship, DrugXanthine OxidaseMice, KnockoutArginineReactive Nitrogen SpeciesMyocytes, CardiacFree RadicalsBlotting, WesternCyclic N-OxidesIschemic PostconditioningNitratesCell SurvivalProtective AgentsEnzyme ActivationNitrogen OxidesWarm IschemiaCytoprotectionNecrosisRNA, MessengerNeuroprotective AgentsHeartKidneyCaspase 3L-Lactate DehydrogenaseAnoxiaHydroxyl RadicalTioproninomega-N-MethylarginineNeutrophilsPerfusionHeme Oxygenase-1Onium CompoundsHemodynamicsPeroxynitrous AcidVasodilationCoronary CirculationLiverGlutathione PeroxidaseCold IschemiaTumor Necrosis Factor-alphaIschemic Attack, TransientCell LineCell HypoxiaOxidesVasodilator AgentsCyclic GMPPhosphorylationUp-Regulation