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Active IBD tissue displays spatially adjacent NF-κB and caspase-3 activation in intestinal epithelial cells. Human control (A), CD and UC colon sections (B) were stained with antibodies to cC-3 and p65(RelA). Magnification bars: 50 μm. Arrows show positive cells. Results are representative for 15 healthy, 14 CD, and 10 UC specimens.
