Abstract
After massive intestinal resection, physiological compensatory events occur in the remnant small bowel and in the colon. The aim of our work was to study the propensity of the colon to evolve after a massive small bowel resection in rats. The resected group, where 80% of the small bowel length was removed, was compared with sham-operated rats (transected). During the 7 postoperative days, rats were fed orally or they received an elemental nutrition through a gastric catheter. PepT1 and NHE3 mRNAs encoding apical membrane transporters were not modified in the present experiment. However, two unexpected genes (I-FABP and UroR) were up-regulated in the colon following intestinal resection. These modifications occurred without an imbalance of cell cycle protein content and in a context of low short-chain fatty acid production.
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