Research Article

The GLP-1 Analogue Exenatide Improves Hepatic and Muscle Insulin Sensitivity in Diabetic Rats: Tracer Studies in the Basal State and during Hyperinsulinemic-Euglycemic Clamp

Table 1

Characteristics of rats in the four groups at the end of study.

C
()
C + E
()
D
()
D + E
()

Body weight (g)531.9 ± 37.6474.3 ± 24.9468.2 ± 29.0397.6 ±
FBG (mmol/L)5.57 ± 0.314.25 ± 0.55#15.10 ± 1.739.48 ± 1.61
FINS (μIu/mL)12.84 ± 5.2615.00 ± 5.5529.09 ± 3.6118.86 ± 2.48
HOMA-IR3.19 ± 1.382.79 ± 0.9418.40 ± 3.847.54 ± 1.58
ISI−4.15 ± 0.61−4.09 ± 0.35−6.01 ± 0.21−5.12 ± 0.21
TC (mmol/L)1.19 ± 0.231.02 ± 0.141.85 ± 0.161.61 ± 0.11
TG (mmol/L)0.12 ± 0.040.19 ± 0.060.63 ± 0.080.44 ± 0.07
LDL (mmol/L)0.23 ± 0.040.20 ± 0.050.61 ± 0.110.43 ± 0.13

C: nondiabetic control; C + E: nondiabetic + exenatide; D: diabetic; D + E, diabetic + exenatide.
FBG: fasting blood glucose; FINS: fasting plasma insulin; ISI: insulin sensitivity index.
Data are presented as mean ± SD.
, compared with normal rats (C).
compared with normal rats treated with exenatide (C + E).
, compared with diabetic rats treated with vehicle (D).