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Epithelial cell apoptosis results and contributing apoptotic pathways. A–C) Factors are measured by RT-PCR of jejunal mucosal scrapings, corrected to expression of 18S. They represent Bcl-2, Bax, and the Bax/Bcl-2 ratio, respectively. D, E) Fas ligand and Fas mRNA expression adjusted as a ratio to β-actin expression. F) Representative Western blot of phosphorylated Iκβα to Iκβα and ratio of these factors. Results represent means ± sd, n = 6/group. *P < 0.05.
