Cited by 180Adipose Tissue and MetabolismMetabolism, Diabetes, and CancerMuscle metabolism and nutrition

Tuning fatty acid oxidation in skeletal muscle with dietary fat and exercise

Fritzen, Andreas Mæchel, Lundsgaard, Anne-Marie, Kiens, Bente·2020·Nature Reviews Endocrinology

Abstract

Both the consumption of a diet rich in fatty acids and exercise training result in similar adaptations in several skeletal muscle proteins. These adaptations are involved in fatty acid uptake and activation within the myocyte, the mitochondrial import of fatty acids and further metabolism of fatty acids by β-oxidation. Fatty acid availability is repeatedly increased postprandially during the day, particularly during high dietary fat intake and also increases during, and after, aerobic exercise. As such, fatty acids are possible signalling candidates that regulate transcription of target genes encoding proteins involved in muscle lipid metabolism. The mechanism of signalling might be direct or indirect targeting of peroxisome proliferator-activated receptors by fatty acid ligands, by fatty acid-induced NAD+-stimulated activation of sirtuin 1 and/or fatty acid-mediated activation of AMP-activated protein kinase. Lactate might also have a role in lipid metabolic adaptations. Obesity is characterized by impairments in fatty acid oxidation capacity, and individuals with obesity show some rigidity in increasing fatty acid oxidation in response to high fat intake. However, individuals with obesity retain improvements in fatty acid oxidation capacity in response to exercise training, thereby highlighting exercise training as a potential method to improve lipid metabolic flexibility in obesity.

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Crossref · 10.1038/s41574-020-0405-1

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  • Exercise and nutrition affect the supply and demand aspects of metabolism and have been shown to influence intramyocellular lipid levels in aging and obesity.

    “they affect the supply and demand aspects of metabolism, respectively, and have been shown to influence IMCL levels in both aging and obesity [59, 97, 99, 101, 102].”

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Authors
Fritzen, A. M., Lundsgaard, A.-M., & Kiens, B.
Affiliations
University of Copenhagen (DK)
Corresponding author
Kiens, Bente
Venue
Nature Reviews Endocrinology
Published
2020-09-22
Volume
16
Issue
12
Pages
683-696
ISSN
  • 1759-5029 (ISSN-L)
  • 1759-5037
OpenAlex
W3088447862
Cited by
180
References
189
Citations by year
2026: 31 · 2025: 43 · 2024: 37 · 2023: 25 · 2022: 28 · 2021: 15 · 2020: 1
FWCI
2.20
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Reviews Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
fatty acid oxidation, skeletal muscle, high-fat diet, exercise training, obesity, peroxisome proliferator-activated receptors, SIRT1, AMPK, fatty acid uptake, fatty acid beta-oxidation, lactate
MeSH terms
Animals, Dietary Fats, Fatty Acids, Humans, Oxidation-Reduction, Exercise, Muscle, Skeletal, Muscle Fibers, Skeletal, Lipid Metabolism

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