Cited by 46Exercise and Physiological ResponsesMitochondrial Function and PathologyGenetics and Physical Performance

Mitochondrial DNA and Exercise: Implications for Health and Injuries in Sports

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Zanini, Giada, De Gaetano, Anna, Selleri, Valentina, Savino, Gustavo, Cossarizza, Andrea, Pinti, Marcello, Mattioli, Anna Vittoria, Nasi, Milena·2021·Cells

Abstract

Recently, several studies have highlighted the tight connection between mitochondria and physical activity. Mitochondrial functions are important in high-demanding metabolic activities, such as endurance sports. Moreover, regular training positively affects metabolic health by increasing mitochondrial oxidative capacity and regulating glucose metabolism. Exercise could have multiple effects, also on the mitochondrial DNA (mtDNA) and vice versa; some studies have investigated how mtDNA polymorphisms can affect the performance of general athletes and mtDNA haplogroups seem to be related to the performance of elite endurance athletes. Along with several stimuli, including pathogens, stress, trauma, and reactive oxygen species, acute and intense exercise also seem to be responsible for mtDNA release into the cytoplasm and extracellular space, leading to the activation of the innate immune response. In addition, several sports are characterized by a higher frequency of injuries, including cranial trauma, associated with neurological consequences. However, with regular exercise, circulating cell-free mtDNA levels are kept low, perhaps promoting cf-mtDNA removal, acting as a protective factor against inflammation.

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  • Regular physical activity or exercise training enhances mitochondrial homeostasis in individuals with sarcopenia and regulates mitophagy, mitochondrial biogenesis, mitochondrial dynamics, and mitochondrial redox biology.

    “Engaging in regular physical activity or exercise training, which proves beneficial for enhancing mitochondrial homeostasis in individuals with sarcopenia, significantly regulates mitophagy, mitochondrial biogenesis, mitochondrial dynamics, and mitochondrial redox biology [9,10,11].”

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Authors
Zanini, G., De Gaetano, A., Selleri, V., Savino, G., Cossarizza, A., Pinti, M., Mattioli, A. V., & Nasi, M.
Affiliations
  • University of Modena and Reggio Emilia (IT)
  • Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
  • Department of Public Healthcare, Sports Medicine Service, Azienda USL of Modena, 41121 Modena, Italy
Corresponding author
Nasi, Milena
Venue
Cells
Publisher
MDPI AG
Published
2021-09-28
Volume
10
Issue
10
Pages
2575
ISSN
2073-4409 (ISSN-L)
OpenAlex
W3202334265
Cited by
46
References
117
Citations by year
2026: 8 · 2025: 9 · 2024: 3 · 2023: 22 · 2022: 4
FWCI
0.84
Type
journal article
Language
en
Open access
Locations
  • Cells (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, cc-by)
  • IRIS UNIMORE (University of Modena and Reggio Emilia) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Physical Performance
Keywords
mitochondrial DNA, physical activity, endurance athletes, mtDNA polymorphisms, mtDNA haplogroups, oxidative capacity, glucose metabolism, innate immune response, reactive oxygen species, sports injuries, cranial trauma, neuroinflammation, inflammation
MeSH terms
Athletic Injuries, DNA, Mitochondrial, Humans, Exercise

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