INS and cerebral infarction: Plasma glucose and insulin levels in diabetic rats were 508 ± 43 mg/dl and 0.61 ± 0.10 μg/l compared with values of 194 ± 7 mg/dl and 3.07 ± 0.36 μg/l in age-matched non-diabetic controls, respectively (P < 0.001 and P < 0.05; Table 1) 24 hr after cerebral infarction.