Table 1.

Effect of PGB on histopathological changes in skeletal muscle tissue of mice after 21 days treatment. Results shown as mean±SEM

Histopathological findings	Control	PGB 20 mg/kg	PGB 40 mg/kg	PGB 80 mg/kg
Atrophy	0.16±0.16	0.66±0.21	1.16±0.75*	2±0.25***
Infiltration of inflammatory cells	0.00±0.00	0.66±0.21	0.66±0.33	1.66±0.42**
Cell degeneration	0.00±0.00	0.50±0.22	0.66±0.21	1.16±0.30**
Total lesion	0.16±0.16	1.57±0.42	2.14±0.50	4.14±0.79***

^*P<0.05,

^**P<0.01,

^***P<0.001 compared to control group