PMID: 2494365Jan 1, 1989Paper

Imbalance between jejunum and ileum in the response of brush border hydrolases to oral feeding after intravenous alimentation in rats

JPEN. Journal of Parenteral and Enteral Nutrition
M GalluserF Raul

Abstract

The effect of oral refeeding after total parenteral nutrition (TPN) on brush border hydrolases was measured in the proximal jejunum and ileum of adult rats. The animals received intravenously for 4 days a mixture of Intralipid 10% and Vamine-Glucose. At the end of TPN, oral feeding was reinstituted and the rats were fed with an isocaloric standard diet (60% carbohydrate, 17% protein, 3% lipid). Sucrase, isomaltase, lactase, and aminopeptidase N activities were measured at the end of TPN and at 1, 3, and 5 days after TPN. Sham-operated rats nourished orally with the standard diet were used as controls. In both intestinal segments, lactase activity showed no significant changes at the end of TPN or during oral realimentation. Isomaltase, and especially sucrase activities, exhibited an important drop at the end of TPN. After TPN, a complete restoration of isomaltase and sucrase activities was obtained in the jejunum only. During oral refeeding a 40% deficit in sucrase activity persisted in the ileum throughout the experimental period, whereas normal isomaltase activity was restored in this segment. Aminopeptidase N activity was lowered by TPN and recovered normal values within a few hours after oral realimentation. Thus, reinstitu...Continue Reading

References

Jun 1, 1975·The Journal of Nutrition·G A CastroL R Johnson
Jul 1, 1987·JPEN. Journal of Parenteral and Enteral Nutrition·F RaulM Doffoel
Aug 1, 1985·The Biochemical Journal·T Goda, O Koldovský
Mar 1, 1972·Archives of Surgery·E SteigerS J Dudrick
Sep 15, 1973·Biochimica Et Biophysica Acta·S MarouxJ Baratti
Mar 1, 1966·Analytical Biochemistry·M Messer, A Dahlqvist
Jan 1, 1980·Journal of Nutritional Science and Vitaminology·M Kawamura, S Kimura

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Citations

Nov 1, 1990·JPEN. Journal of Parenteral and Enteral Nutrition·M C NuñezA Gil
May 1, 1992·JPEN. Journal of Parenteral and Enteral Nutrition·B CzernichowF Raul
May 1, 1990·JPEN. Journal of Parenteral and Enteral Nutrition·M M GottschlichJ W Alexander
Mar 11, 2000·American Journal of Physiology. Gastrointestinal and Liver Physiology·P A KitchenA Forbes

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