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. 2009 Dec;57(12):1139–1148. doi: 10.1369/jhc.2009.954446

Figure 2.

Figure 2

Apoptosis by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) and related Bax and Bcl-2 by immunohistochemical analysis in normal human small intestine. (A) Hematoxylin-eosin staining of small intestine. (B) Apoptotic cells detected by the in situ cell death kits (red arrows indicate the representative apoptotic cells). (C) Bax was observed in the surface epithelial cells of the villus from the normal small intestine. (D) Bax was observed in both the villus and the crypts in some cases of normal small intestine. (E,F) Bcl-2 expression in the normal small intestine. Bars: B = 80 μm; A,C–F = 40 μm.