fig2

Figure 2. Immunofluorescence staining for PanCK, KLF4, claudin-1, and N-cadherin in human colonic tissues. Representative images of normal adjacent mucosa and tumor sections from two different human specimens: (A) claudin-1 (SB474N and SB474T); and (B) N-cadherin (SB378N and SB378T). White boxes mark insets. Scale bar: 50 μm