Cited by 623Exercise and Physiological ResponsesAntioxidant Activity and Oxidative StressRedox biology and oxidative stress

Systemic adaptation to oxidative challenge induced by regular exercise

Radak, Zsolt, Chung, Hae Young, Goto, Sataro·2008·Free Radical Biology and Medicine

Abstract

Exercise is associated with increased ATP need and an enhanced aerobic and/or anaerobic metabolism, which results in an increased formation of reactive oxygen species (ROS). Regular exercise seems to decrease the incidence of a wide range of ROS-associated diseases, including heart disease, type II diabetes, rheumatic arthritis, Alzheimer and Parkinson diseases, and certain cancers. The preventive effect of regular exercise, at least in part, is due to oxidative stress-induced adaptation. The oxidative challenge-related adaptive process of exercise is probably not just dependent upon the generated level of ROS but primarily on the increase in antioxidant and housekeeping enzyme activities, which involves the oxidative damage repair enzymes. Therefore, the effects of exercise resemble the characteristics of hormesis. In addition, it seems that the oxidative challenge-related effects of exercise are systemic. Skeletal muscle, liver, and brain have very different metabolic rates and functions during exercise, but the adaptive response is very similar: increased antioxidant/damage repair enzyme activity, lower oxidative damage, and increased resistance to oxidative stress, due to the changes in redox homeostasis. Hence, it is highly possible that the well-known beneficial effects of exercise are due to the capability of exercise to produce increased levels of ROS. Or in other words, it seems that the vulnerability of the body to oxidative stress and diseases is significantly enhanced in a sedentary compared to a physically active lifestyle.

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Crossref · 10.1016/j.freeradbiomed.2007.01.029

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Authors
Radak, Z., Chung, H. Y., & Goto, S.
Affiliations
  • Semmelweis University (HU)
  • Pusan National University (KR)
  • Toho University (JP)
Corresponding author
Radak, Zsolt
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2008-01
Volume
44
Issue
2
Pages
153-159
ISSN
0891-5849 (ISSN-L)
OpenAlex
W2076515148
Cited by
623
References
86
Citations by year
2026: 21 · 2025: 19 · 2024: 17 · 2023: 11 · 2022: 66 · 2021: 30 · 2020: 29 · 2019: 31 · 2018: 39 · 2017: 39 · 2016: 35 · 2015: 40 · 2014: 43 · 2013: 50 · 2012: 43
FWCI
3.20
Type
journal article
Language
en
Open access
closed
Locations
  • Free Radical Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
Hungarian Science Foundation
Topics
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
physical activity, oxidative stress, reactive oxygen species, hormesis, antioxidant enzymes, redox homeostasis, oxidative damage repair, exercise adaptation, sedentary lifestyle, disease prevention, skeletal muscle, liver, brain
MeSH terms
Adaptation, Physiological, Animals, Brain, Humans, Liver, Models, Biological, Periodicity, Physical Conditioning, Animal, Exercise, Oxidative Stress, Muscle, Skeletal

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