Prediabetic StateGlucose Tolerance TestMice, Inbred NODDiabetes Mellitus, Type 1Rats, ZuckerIslets of LangerhansDiabetes Mellitus, Type 2InsulinBlood GlucoseRats, Inbred OLETFRats, Inbred BBInsulin ResistanceInsulin-Secreting CellsGlutamate DecarboxylaseHyperglycemiaRats, Mutant StrainsGlucose IntoleranceInsulin AntibodiesDiabetes Mellitus, ExperimentalPancreas