Diabetic NeuropathiesDiabetes Mellitus, ExperimentalVasa NervorumNeural ConductionSciatic NerveDiabetic AngiopathiesDiabetic NephropathiesDiabetic RetinopathyStreptozocinSural NerveDiabetic FootBlood GlucoseRats, Sprague-DawleyPeripheral Nervous System DiseasesThioctic AcidDiabetes Mellitus, Type 1AlbuminuriaKidney GlomerulusDiabetes Mellitus, Type 2KidneyBlood-Retinal BarrierRats, WistarGanglia, SpinalGlycosylation End Products, AdvancedAldehyde ReductaseRetinal VesselsPeripheral NervesOxidative StressRhodaninePregnancy in DiabeticsPolyneuropathiesInsulinAutonomic Nervous System DiseasesTransforming Growth Factor beta1Hereditary Sensory and Motor NeuropathyGlucoseDiabetes MellitusGlomerular MesangiumHyperglycemiaDisease Models, AnimalGuanidinesDiabetes ComplicationsFoot UlcerBody WeightAIDS-Associated NephropathyRetinaHemoglobin A, GlycosylatedCardiomyopathiesSorbitolNerve FibersPlant ExtractsTransforming Growth Factor betaGlomerulonephritis, MembranousProteinuriaFootKidney DiseasesRats, Inbred BBHereditary Sensory and Autonomic NeuropathiesPeroneal NerveImmunohistochemistryOptic Neuropathy, IschemicTibial NerveDiagnostic Techniques, NeurologicalHypoglycemic AgentsElectrodiagnosisSensory Receptor CellsNeuralgia