Fig. 5From: Hepatoprotective effects of N-acetylcysteine on liver injury by irisin upregulation and oxidative stress reduction in diabetic ratsRepresentative micrographs showing caspase-3 expression for all experimental groups. Control and NAC group (a, b) showing caspase-3 immune negativity. DM group (c) showing severe caspase-3 expression (black arrow) compared to the control group. DM + NAC group (d) showing moderately caspase-3 expression (black arrow) compared to control and NAC groups. ×20, immunohistochemical stainingBack to article page