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Treatment with pomegranate-protected intestinal cells from infection-induced apoptosis. (A) Intestinal tissue from uninfected animals with no expression of caspase-3. (B) Intestinal tissue from G. lamblia-infected untreated animals showing marked expression of caspase-3 (arrows). (C) and (D). Minimal expression of caspase-3 in intestinal tissues of infected animals treated with pomegranate extract or metronidazole respectively (arrows). Magnification is 400×.
