Cited by 43Diabetes, Cardiovascular Risks, and LipoproteinsAdipose Tissue and MetabolismAdipokines, Inflammation, and Metabolic Diseases

Metabolic flexibility and obesity in children and youth

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Aucouturier, J., Duché, P., Timmons, B. W.·2011·Obesity Reviews

Abstract

The concept of metabolic flexibility describes the ability of skeletal muscle to switch between the oxidation of lipid as a fuel during fasting periods to the oxidation of carbohydrate during insulin stimulated period. Alterations in energy metabolism in adults with obesity, insulin resistance and/or type 2 diabetes induce a state of impaired metabolic flexibility, or metabolic inflexibility. Despite the increase in the prevalence of type 2 diabetes in obese children and youth, less is known about the factors involved in the development of metabolic inflexibility in the paediatric population. Metabolic flexibility is conditioned by nutrient partitioning in response to feeding, substrate mobilization and delivery to skeletal muscle during fasting or exercising condition, and skeletal muscle oxidative capacity. Our aim in this review was to identify among these factors those making obese children at risk of metabolic inflexibility. The development of ectopic rather than peripheral fat storage appears to be a factor strongly linked with a reduced metabolic flexibility. Tissue growth and maturation are determinants of impaired energy metabolism later in life but also as a promising way to reverse metabolic inflexibility given the plasticity of many tissues in youth. Finally, we have attempted to identify perspectives for future investigations of metabolic flexibility in obese children that will improve our understanding of the genesis of metabolic diseases associated with obesity.

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Crossref · 10.1111/j.1467-789x.2010.00812.x

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Authors
Aucouturier, J., Duché, P., & Timmons, B. W.
Affiliations
  • McMaster University (CA)
  • Université Blaise Pascal (FR)
Corresponding author
Aucouturier, J.
Venue
Obesity Reviews
Publisher
Wiley
Published
2011-04-27
Volume
12
Issue
5
Pages
e44-53
ISSN
  • 1467-7881 (ISSN-L)
  • 1467-789X
OpenAlex
W1568848466
Cited by
43
References
62
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 3 · 2022: 2 · 2021: 7 · 2020: 2 · 2019: 2 · 2018: 3 · 2017: 2 · 2016: 4 · 2015: 3 · 2013: 1 · 2012: 5
FWCI
0.50
Type
journal article
Language
en
Open access
Locations
  • Obesity Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
McMaster University
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
metabolic flexibility, metabolic inflexibility, childhood obesity, skeletal muscle, substrate oxidation, insulin resistance, type 2 diabetes, nutrient partitioning, energy metabolism, substrate mobilization
MeSH terms
Adipose Tissue, Blood Glucose, Child, Diabetes Mellitus, Type 2, Energy Metabolism, Humans, Obesity, Oxidation-Reduction, Muscle, Skeletal, Adipogenesis

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