ArticleNutrients2020
Influence of Glutamine and Branched-Chain Amino Acids Supplementation during Refeeding in Activity-Based Anorectic Mice.
Article in Nutrients, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Comparative Analysis of Hypothalamic Responses to Stress and Glutamine Supplementation in Diet-Induced Obese Mice: A Study of Sex Differences.Inflammation · 2026Article
- Exploring the Impact of Extended Amino Acid Supplementation on Body Composition and Psychopathology in Patients with Eating Disorders Undergoing Psycho-Nutritional RehabilitationEndocrine, metabolic & immune disorders drug targets · 2026Article
- Changes in muscle strength and moderators of protein turnover in a rodent model of anorexia nervosa and recovery.bioRxiv : the preprint server for biology · 2025Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundOptimizing the refeeding of patients with anorexia nervosa remains important to limit somatic complications of malnutrition, as well as to avoid disease relapses by targeting persistent mood and intestinal disorders. We aimed to evaluate the effects of glutamine (Gln) and branched-chain amino acids (BCAA) supplementation during refeeding in activity-based anorectic (ABA) mice.
methodMale C57Bl/6 mice were randomized in control and ABA groups. Once ABA-induced malnutrition was established, mice were progressively refed or not. Refed mice had free access to drinking water supplemented or not with 1% Gln or 2.5% BCAA for 10 days.
resultsA progressive refeeding was associated with a partial restoration of body weight and lean mass, while a fat mass rebound was observed. In addition, refeeding restored glucose and leptin. Gln did not affect these parameters, while BCAA tended to increase body weight, fat mass, and glycaemia. In the colon, refeeding improved total protein synthesis and restored the LC3II/LC3I ratio, a marker of autophagy. Gln supplementation enhanced colonic protein synthesis, which was associated with an increased p-p70S6kinase/p70S6kinase ratio, whereas these effects were blunted by BCCA supplementation.
conclusionsIn ABA mice, Gln and BCAA supplementations during a progressive refeeding fail to restore body weight and lean mass. However, Gln supplementation improves total colonic protein synthesis conversely to BCAA. Further studies are needed to decipher the underlying mechanisms involved in these opposite results.
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