A 90% jejunoileal bypass induces in the rat a protein malnutrition state which is characterized (1) by the decreased level of plasma proteins and albumins and (2) by the reduced level of most essential and non-essential plasma amino acids. In the exocrine pancreas there was a decreased content of digestive enzymes, especially of amylase, while the secretion of enzymes studied in vitro was reduced. In the ileum left in one piece, the specific activities of maltase and sucrase increased significantly while aminopeptidase was unaffected. It is suggested that exocrine pancreatic insufficiency observed after small bowel bypass in the rat might contribute to protein malnutrition (1) by producing maldigestion and (2) by inducing an imbalance in intestinal enzymes favouring a preferential absorption of carbohydrates compared to proteins, thus emphasizing the protein malnutrition state.
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http://dx.doi.org/10.1159/000128386 | DOI Listing |
BMJ Nutr Prev Health
November 2024
Centre for Global Child Health, The Hospital for Sick Children, Toronto, Ontario, Canada.
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J Ren Nutr
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View Article and Find Full Text PDFCurr Obes Rep
January 2025
Department of Nutrition Sciences, School of Health Sciences, Ariel University, Ariel, Israel.
Purpose Of Review: Protein intake is recognized as a key nutritional factor crucial for optimizing Metabolic Bariatric Surgery (MBS) outcomes by preventing protein malnutrition, preserving fat-free mass, and inducing satiety. This paper discusses the current evidence regarding protein intake and its impact on clinical outcomes following MBS.
Recent Findings: There are considerable gaps in the understanding of protein requirements following MBS, as existing guidelines are based on limited and inconsistent reports.
Cureus
December 2024
Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences, Lahore, PAK.
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View Article and Find Full Text PDFPlant Foods Hum Nutr
January 2025
Facultad de Ciencias Químicas, Dirección de Investigaciones, Universidad Nacional de Asunción, P.O. 1055, San Lorenzo, Paraguay.
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