Fig. 5From: Antioxidative defense and mitochondrial thermogenic response in brown adipose tissueImmunohistochemical detection of NF-κB in IBAT sections of untreated, l-arginine- and l-NAME-treated rats acclimated to cold for different time periods. Immunohistochemical detection of NF-κB was performed using specific antibody against NF-κB. Magnification: ×40, orig. Scale bars—20 μmBack to article page