Fig. 2

Association of UCP1 expression with clinicopathological features of breast cancer patients. a Representative immunohistochemical images of UCP1 expression in normal mammary ducts and paired invasive cancer. Images in the gray boxes are displayed in the lower row with higher magnification. The arrow heads indicate ductal cells and cancer cells. Scale bars; 200 μm (upper row) and 50 μm (lower row). b Immunohistochemistry of UCP1 expression patterns in normal mammary grands and paired invasive cancer cells (n = 34). c Immunohistochemistry of UCP1 expression in invasive cancer cells with histological grade, tumor size, estrogen receptor (ER) status, and tumor subtypes (n = 34). Digits in the bars represent number of cases. The vertical axis represents proportion of cases with a given characteristic to sum of all cases (%)