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  • Title: Age-related response of the small intestine to severe starvation and refeeding in rats.
    Author: Ortega MA, Núñez MC, Suárez MD, Gil A, Sánchez-Pozo A.
    Journal: Ann Nutr Metab; 1996; 40(6):351-8. PubMed ID: 9087314.
    Abstract:
    The impact of severe starvation and refeeding on the intestinal mucosa of rats of different ages has been studied in a diet-controlled model. Structural and functional alterations of the small intestinal mucosa were assessed by standard parameters including mucosal protein, DNA content as well as maltase, sucrase and leucine aminopeptidase enzymatic activities. Decreases in mucosal mass, DNA, protein and leucine aminopeptidase activity in both the jejunum and ileum caused by starvation, diminished with age. The depression of disaccharidase activities increased with age in the jejunum but not in the ileum. Except for jejunal protein and leucine aminopeptidase activity, the recovery from starvation, after refeeding, was complete for the other parameters studied, regardless of age.
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