Cited by 86Mitochondrial Function and PathologyExercise and Physiological ResponsesMuscle Physiology and Disorders

Atorvastatin treatment reduces exercise capacities in rats: involvement of mitochondrial impairments and oxidative stress

Bouitbir, Jamal, Charles, Anne-Laure, Rasseneur, Laurence, Dufour, Stéphane, Piquard, François, Geny, Bernard, Zoll, Joffrey·2011·Journal of Applied Physiology

Abstract

Physical exercise exacerbates the cytotoxic effects of statins in skeletal muscle. Mitochondrial impairments may play an important role in the development of muscular symptoms following statin treatment. Our objective was to characterize mitochondrial function and reactive oxygen species (ROS) production in skeletal muscle after exhaustive exercise in atorvastatin-treated rats. The animals were divided into four groups: resting control (CONT; n = 8) and exercise rats (CONT+EXE; n = 8) as well as resting (ATO; n = 10) and exercise (ATO+EXE; n = 8) rats that were treated with atorvastatin (10 mg·kg(-1)·day(-1) for 2 wk). Exhaustive exercise showed that the distance that was covered by treated animals was reduced (P < 0.05). Using dihydroethidium staining, we showed that the ROS level was increased by 60% in the plantaris muscle of ATO compared with CONT rats and was highly increased in ATO+EXE (226%) compared with that in CONT+EXE rats. The maximal mitochondrial respiration (V(max)) was decreased in ATO rats compared with that in CONT rats (P < 0.01). In CONT+EXE rats, V(max) significantly increased compared with those in CONT rats (P < 0.05). V(max) was significantly lower in ATO+EXE rats (-39%) compared with that in CONT+EXE rats (P < 0.001). The distance that was covered by rats significantly correlated with V(max) (r = 0.62, P < 0.01). The glycogen content was decreased in ATO, CONT+EXE, and ATO+EXE rats compared with that in CONT rats (P < 0.05). GLUT-4 mRNA expression was higher after exhaustive exercise in CONT+EXE rats compared with the other groups (P < 0.05). Our results show that exhaustive exercise exacerbated metabolic perturbations and ROS production in skeletal muscle, which may reduce the exercise capacity and promote the muscular symptoms in sedentary atorvastatin-treated animals.

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Crossref · 10.1152/japplphysiol.00107.2011

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  • Other studies have shown increased ROS production and decreased antioxidant capacity with statin treatment.

    “other studies have shown increased ROS production (3,42) and a decreased antioxidant capacity (3) with statin treatment.”

    From Simvastatin Effects on Skeletal Muscle (2013) · cites this paper as [42]

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Authors
Bouitbir, J., Charles, A.-L., Rasseneur, L., Dufour, S., Piquard, F., Geny, B., & Zoll, J.
Affiliations
  • Hôpitaux Universitaires de Strasbourg (FR)
  • Université de Strasbourg (FR)
  • Université de Strasbourg, EA3072, Faculté de Médecine &amp; Faculté des Sciences du Sport, Strasbourg;
Corresponding author
Zoll, Joffrey
Venue
Journal of Applied Physiology
Published
2011-11
Volume
111
Issue
5
Pages
1477-1483
ISSN
  • 0161-7567 (ISSN-L)
  • 8750-7587
  • 1522-1601
OpenAlex
W2110098777
Cited by
86
References
47
Citations by year
2026: 3 · 2025: 2 · 2024: 6 · 2023: 1 · 2022: 3 · 2021: 5 · 2020: 4 · 2019: 9 · 2018: 11 · 2017: 6 · 2016: 8 · 2015: 11 · 2014: 7 · 2013: 3 · 2012: 7
FWCI
2.21
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Applied Physiology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • edoc (University of Basel) (submittedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
atorvastatin, statin-induced myopathy, exercise capacity, skeletal muscle, mitochondrial respiration, reactive oxygen species, oxidative stress, mitochondrial dysfunction, exhaustive exercise, plantaris muscle, glycogen, GLUT4, statin toxicity
MeSH terms
Atorvastatin, Animals, Cholesterol, Creatine Kinase, Glycogen, Heptanoic Acids, Male, Mitochondria, Physical Conditioning, Animal, Physical Endurance, Pyrroles, RNA, Messenger, Rats, Wistar, Reactive Oxygen Species, Oxidative Stress, Muscle, Skeletal, Cell Respiration, Glucose Transporter Type 4, Rats

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