Oxidative StressAngiotensin IIReceptor, Angiotensin, Type 1Receptors, AngiotensinReceptor, Angiotensin, Type 2Angiotensin IAngiotensin II Type 1 Receptor BlockersAngiotensin Receptor AntagonistsAngiotensin IIIAntioxidantsLosartanTetrazolesReactive Oxygen SpeciesAngiotensin II Type 2 Receptor BlockersPeptidyl-Dipeptidase AAngiotensin-Converting Enzyme InhibitorsHydrogen PeroxideRenin-Angiotensin SystemAngiotensinsBlood PressureBiphenyl CompoundsLipid PeroxidationSuperoxide DismutaseReninImidazoles1-Sarcosine-8-Isoleucine Angiotensin IIRats, Sprague-DawleyVasoconstrictor AgentsBenzimidazolesObesityGlutathioneSaralasinKidneyMalondialdehydeOxidantsHypertensionCells, CulturedCatalaseDisease Models, AnimalAntihypertensive AgentsThiobarbituric Acid Reactive SubstancesNADPH OxidaseRats, WistarOxidation-ReductionDose-Response Relationship, DrugRNA, MessengerProtein CarbonylationAldosteroneAngiotensinogenSuperoxidesBody WeightGlutathione PeroxidaseSignal TransductionMyocardiumF2-IsoprostanesEnalaprilPyridinesNitric OxideTime FactorsMuscle, Smooth, VascularCyclic N-OxidesRats, Inbred SHRDeoxyguanosineParaquatInsulinLiverAngiotensin AmideAortaAcetylcysteineRats, Inbred WKYMice, Inbred C57BLVasoconstrictionAldehydesBlood GlucoseMitochondriaDiabetes Mellitus, ExperimentalApoptosisEndothelium, VascularThinnessBlotting, WesternFree Radical ScavengersGlutathione Disulfidetert-ButylhydroperoxideInsulin ResistanceBiological MarkersIsoprostanesAscorbic AcidGene Expression RegulationMice, KnockoutNF-E2-Related Factor 2Enzyme InhibitorsRenal CirculationHypertension, RenalTeprotideEnalaprilatGlucoseDiabetes Mellitus, Type 2ValineOrgan SizeFibrosis