Fig. 4From: Possible predisposition for colorectal carcinogenesis due to altered gene expressions in normal appearing mucosa from patients with colorectal neoplasiaImmunohistochemical analysis of 15-PGDH, COX-1 and β-catenin. Representative confocal images demonstrating the cellular and subcellular localization of 15-PGDH (a) and COX-1 (b) and β-catenin (c) in human colonic biopsies. Staining for Na-K-ATPase and DAPI was included to locate the plasma membrane and nuclei, respectively. To the left: CTRL; Control group. To the right: CRN; colorectal neoplasia groupBack to article page