However, normoglycemia persisted in VTN (BG = 81 ± 5 mg/dL) and CN, but 10 days after STZ injection, severe hyperglycemia (BG = 395 ± 9 mg/dL) with low level of insulin (0.75 ± 0.01 ng/dL) was observed in diabetic rats. Here, INS is linked to Hyperglycemia.