Fig. 4From: Cold exposure induced oxidative stress and apoptosis in the myocardium by inhibiting the Nrf2-Keap1 signaling pathwayAntioxidant enzymes changes in myocardium under cold exposure. a Western blot of SOD-1 and SOD-2. b Real time PCR of SOD-1 and SOD-2. Data are mean ± SD. * p < 0.05, compared to control group, ** p < 0.01, compared to control groupBack to article page