Fig. 9

ERα immunoreactivity. a, b and c Quantification of ERα epithelial (cytoplasmic and nuclear) and stromal ERα, respectively. Negative control. e T8 group (inset: negative control). f TC12 group. g TN12 group. h TC16 group. i TN16 group. j TC22(8–12) group. k TN22(8–12) group. l TC22(12–16) group. j TN22(12–16) group. ERα-positive staining is indicated by an asterisk (cytoplasmic), arrow (nuclear) and arrowhead (stromal). Values expressed as media or maximum media values and compared between treated and its respective control group. Ep = epithelium; St = stroma; L = lumen. Counter-stain: Harris Hematoxylin. 400x, bar = 100 μm