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Characterizing the metabolic perturbations induced by activity-based anorexia in the C57Bl/6 mouse using 1H NMR spectroscopy.

Author information

Affiliations

  • 1. Division of Computational and Systems Medicine, Imperial College London, London, SW7 2AZ, UK.
      Authors
    • Breton J 1
    • Giallourou N 1
    • Swann J 1
    (3 authors)
  • 2. Normandie univ, UNIROUEN, INSERM UMR 1073, Nutrition, Gut and Brain Laboratory, Rouen, France; Normandie univ, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France; Normandie univ, UNIROUEN, Animal Behavioral Platform SCAC, Rouen, France.
      Authors
    • Nobis S 2
    (1 author)
  • 3. Normandie univ, UNIROUEN, INSERM UMR 1073, Nutrition, Gut and Brain Laboratory, Rouen, France; Normandie univ, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.
      Authors
    • Morin A 3
    • Achamrah N 3
    • Goichon A 3
    • Belmonte L 3
    (4 authors)
  • 4. Normandie univ, UNIROUEN, INSERM UMR 1073, Nutrition, Gut and Brain Laboratory, Rouen, France; Normandie univ, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France; Nutrition Department, Rouen University Hospital, Rouen, France.
      Authors
    • Dechelotte P 4
    • Coëffier M 4
    (2 authors)
  • 5. Normandie univ, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France; Normandie univ, UNIROUEN, Animal Behavioral Platform SCAC, Rouen, France.
      Authors
    • Rego JD 5
    (1 author)

ORCIDs linked to this article

Show all (6)

Clinical Nutrition (Edinburgh, Scotland), 06 Dec 2019, 39(8):2428-2434
https://doi.org/10.1016/j.clnu.2019.10.026 PMID: 31870654 

Abstract 

Background & aims

Anorexia nervosa (AN) is a severe psychological and potentially life-threatening eating disorder. The activity-based anorexia (ABA) mouse model is commonly used to investigate physiological abnormalities associated with this disorder. Characterizing the holistic biochemical alterations induced by anorexia is essential to understanding AN pathophysiology as well as to define biomarkers for prognosis.

Methods

To unravel the adaptive biochemical mechanisms occurring in this model in response to self-starvation, the urinary, plasma and fecal metabolic phenotypes of mice under different experimental conditions were compared. This included control mice with and without physical activity (CT and CTPA mice), a group with limited food access (LFA), and a group with both limited food access and physical activity (ABA). Using 1H nuclear magnetic resonance (NMR) spectroscopy, several biochemical perturbations were observed.

Results

Physical activity altered the abundance of 14 fecal metabolites, including those involved in gut microbial metabolism and proteolysis. Food restriction disrupted a wide range of metabolic pathways including gut microbial metabolism, proteolysis and fatty acid breakdown (24 urinary and 6 plasma metabolites). The combined impact of food restriction and physical activity resulted in the same pattern of metabolic disruption (24 urine, 6 plasma).

Conclusions

This work defined the metabolic signatures of ABA mice and provides novel insights into biological adaptations of mice in response to both food restriction and physical activity. These results should be further confirmed in AN patients.

Full text links 

Read article at publisher's site: https://doi.org/10.1016/j.clnu.2019.10.026

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Funding 

Funders who supported this work.

Biotechnology and Biological Sciences Research Council (3)

Medical Research Council (1)