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. 2009 May;58(Pt 5):535–545. doi: 10.1099/jmm.0.005801-0

Fig. 6.

Fig. 6.

Representative photographs of immunohistochemical expression of TNF-α, IL-8, NF-κB p65 and phosphor-NF-κB p65 in semiserial sections of inflamed epithelium featuring cryptitis or crypt abscesses. (a) TNF-α expression in a crypt abscess. Note positive granules in the epithelial cytoplasm (arrows) (bar, 25 μm). (b) IL-8 expression in a crypt abscess. Note the positive reaction in the epithelial cytoplasm. (c) NF-κB p65 expression in epithelial nuclei in a crypt abscess (arrows). (d) Phosphor-NF-κB p65 expression in epithelial nuclei in a crypt abscess (arrows).