Expression of FBP1 and FBP3 in normal prostate and prostate cancer. A) Normal prostatic epithelium with a strong nuclear expression of FBP1, basal cells are mostly devoid of FBP1 expression (40×). B) Prostatic intraepithelial neoplasia (PIN) also shows a strong nuclear signal for FBP1 (40×). C) Prostate cancer with weak FBP1 expression (20×). D) Prostate cancer with strong FBP1 expression (20×). E) Normal prostatic epithelium also reveals a strong nuclear expression of FBP3, basal cells are again mostly negative for FBP3 (40×). F) Normal gland (central), surrounded by invasive carcinoma with equal FBP3 expression (20×). G) Prostate cancer with low FBP3 expression (20×). H) Prostate cancer with high FBP3 expression (20×).