Fig. 2From: Activins and their related proteins in colon carcinogenesis: insights from early and advanced azoxymethane rat models of colon cancerImmunohistochemical expression of activin βA-subunit (left column), βB-subunit (middle column) and type IIA receptor (right column) in normal colonic mucosa from control (a, b & c), pre-neoplastic lesions from S-AOM group (d to i), adenocarcinoma (j, k & l) and serosal metastatic foci (m, n & o) from the L-AOM group. (Red star = large dysplastic ACF and yellow star = MDF; ×200 magnification, scale bar = 8 μm)Back to article page