Rats, ZuckerDiabetes Mellitus, Type 2Blood GlucoseObesityDiabetes Mellitus, ExperimentalInsulinHypoglycemic AgentsHyperglycemiaThiazolidinedionesDiabetes MellitusHeterocyclic Compounds, 3-RingThiazolesGlucoseIslets of LangerhansFatty Acids, NonesterifiedBody WeightGlucokinaseInsulin ResistanceLiverFatty AcidsTriglyceridesHyperinsulinismEatingGlucose Tolerance TestDisease Models, AnimalMuscle, SkeletalDiabetic NephropathiesLipidsChromansReceptors, LeptinGlucagon-Like Peptide 1Rats, Inbred OLETFDiabetic NeuropathiesDipeptidyl-Peptidase IV InhibitorsGlycogenAdipose TissueLeptinGlucosidesDiabetic RetinopathyGlucose Clamp TechniquePancreasThinnessGlucagonInsulin-Secreting CellsKidneyMyocardiumRNA, MessengerOxidative StressReceptors, Cytoplasmic and NuclearRats, Sprague-DawleyGene Expression RegulationRats, Mutant StrainsDiabetic AngiopathiesGene ExpressionImmunohistochemistryTime FactorsFatty Acid SynthasesDose-Response Relationship, DrugFatty Liver