Figure 4From: Ambient particulate air pollution induces oxidative stress and alterations of mitochondria and gene expression in brown and white adipose tissues Immunohistochemical examination of uncoupling protein 1 (UCP1) in the iBAT. A. iBAT was stained by antibody against UCP1 and counterstained with hematoxylin. B. Quantification of UCP1 in iBAT. n = 8 *P < 0.05 vs. FA. Arrows show UCP1-positive brown adipocyte staining.Back to article page