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- Title
Dietary omega 3 fatty acids and skeletal muscle metabolism: a review of clinical and preclinical studies.
- Authors
Doussat, Camille; Brioche, Thomas; Casas, François; Capel, Fréderic; Feillet-Coudray, Christine
- Abstract
Background: There is a myriad of metabolic roles of omega-3 fatty acids. More recently, studies have looked at omega-3 fatty acids effects on skeletal muscle. Objectives: The objective was to determine their effects in situations such as physical activity, obesity, sarcopenia and cachexia. Methods: Bibliographic searches focused on the PubMed database, looking in priority at systematic reviews, until November 2023. Twenty-seven papers were finally included. Results: Omega-3 fatty acids could increase protein anabolism, reduce protein catabolism in the context of exercise-related muscle damages, and could induce beneficial mitochondrial modifications. In obesity, omega-3 fatty acids participate in weight loss and its maintenance, and can help decrease insulin resistance. In sarcopenia atrophic conditions, omega 3 fatty acids allow muscle mass and function maintenance. In cancer cachexia, omega 3 fatty acids are more efficient at the pre-cachectic stage, as they can reduce protein catabolism and increase protein anabolism, but cannot reverse energy imbalance. Conclusions: Omega 3 fatty acids have multiple beneficial effects on skeletal muscle in physical activity, obesity, sarcopenia and cachexia. Yet, these effects are mediated by EPA and DHA, whose sources are solely of marine origins. As marine resources are overexploited, finding diverse sources of omega-3 fatty acids is crucial.
- Subjects
OMEGA-3 fatty acids; WEIGHT loss; MUSCLE mass; FATTY acids; SKELETAL muscle; BIBLIOGRAPHIC databases
- Publication
Oilseeds & Fats, Crops & Lipids (OCL), 2024, Vol 31, p1
- ISSN
2272-6977
- Publication type
Academic Journal
- DOI
10.1051/ocl/2024011