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Figure 4. Immunofluorescence staining for PanCK, KLF4, SNAI2 and, β-catenin in mouse colonic tissues after AOM/DSS treatment. (A) Representative images of PanCK, KLF4, and SNAI2 in normal adjacent mucosa (top panel) and tumor sections (bottom panel). (B) Representative images of PanCK, KLF4, and β-catenin in normal adjacent mucosa (top panel) and tumor sections (bottom panel). Scale bar: 50 μm. AOM/DSS: azoxymethane and dextran sodium sulfate