Table 3.

Serum concentrations of glucose, insulin, IGF-1, and BDNF in the SAMP8 mice

Groups	Glucose (mmol/l)	Insulin (mIU/l)	IGF-1 (ng/ml)	BDNF (pg/ml)
Old control	8.6 ± 0.4	10.0 ± 0.4	57.6 ± 2.0	1228.5 ± 30.6
Young control	8.3 ± 0.5	13.7 ± 0.7*	57.1 ± 1.4	1209.1 ± 26.5
HD-DNJ group	8.1 ± 0.6	13.0 ± 0.7*	69.4 ± 1.5*	1433.0 ± 51.2*
LD-DNJ group	8.5 ± 0.7	11.8 ± 0.5*	67.5 ± 3.1*	1417.1 ± 46.4*

Data are expressed as mean ± SEM

*P < 0.05 denotes significant difference compared to the old controls