Figure 3

Immunohistochemistry on BLM. (A–C) Blank, negative (liver) and positive (placenta) controls respectively at × 10 objective magnification. (D) SW48 with weak staining ( × 20 objective magnification). (E) HT29 with moderate staining ( × 20 objective magnification). (F) Strong staining on Colo205 ( × 20 objective magnification).