Cited by 176Exercise and Physiological ResponsesMitochondrial Function and PathologyAdipose Tissue and Metabolism

Mitohormesis in exercise training

Open access
Merry, Troy L., Ristow, Michael·2016·Free Radical Biology and Medicine

Abstract

Hormesis is a process whereby exposure to a low dose of a potentially harmful stressor promotes adaptive changes to the cell that enables it to better tolerate subsequent stress. In recent years this concept has been applied specifically to the mitochondria (mitohormesis), suggesting that in response to a perturbation the mitochondria can initiate and transduce a signal to the nucleus that coordinates a transcriptional response resulting in both mitochondrial and non-mitochondrial adaptations that return and maintain cellular homeostasis. In this review we summarize the evidence that mitohormesis is a significant adaptive-response signaling pathway, and suggest that it plays a role in mediating exercise-induced adaptations. We discuss potential mitochondrial emitters of retrograde signals that may activate known exercise-sensitive transcription factors to modulate transcription responses to exercise, and draw on evidence from mitochondrial dysfunction animal models to support a role for mitohormesis in mitochondrial biogenesis. Studies directly linking mitohormesis to the exercise training response are lacking, however mounting evidence suggests numerous signals are emitted from the mitochondria during exercise and have the potential to induce a nuclear transcription response, with reactive oxygen species (ROS) being the primary candidate.

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Crossref · 10.1016/j.freeradbiomed.2015.11.032

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Authors
Merry, T. L., & Ristow, M.
Affiliations
ETH Zurich (CH)
Corresponding author
Merry, Troy L.
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2016-09
Volume
98
Pages
123-130
ISSN
0891-5849 (ISSN-L)
OpenAlex
W2182825530
Cited by
176
References
144
Citations by year
2026: 19 · 2025: 14 · 2024: 21 · 2023: 11 · 2022: 22 · 2021: 19 · 2020: 24 · 2019: 14 · 2018: 11 · 2017: 13 · 2016: 8
FWCI
10.77
Type
journal article
Language
en
Open access
Locations
  • Free Radical Biology and Medicine (acceptedVersion)
  • PubMed (publishedVersion)
  • ResearchSpace (University of Auckland) (submittedVersion)
Funders
  • German Ministry for Education and Research (Bundesministerium für Bildung und Forschung (BMBF 0315581)
  • German Research Association (Deutsche Forschungsgemeinschaft, DFG)
  • Swiss National Science Foundation (Schweizerischer Nationalfonds (SNF 31003A_156031)
  • Novartis Foundation for Medical-Biological Research (14C149)
  • European Foundation for the Study of Diabetes
Topics
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
mitohormesis, hormesis, exercise training, mitochondrial biogenesis, retrograde signaling, mitochondrial stress response, exercise-induced adaptations, transcription factors, reactive oxygen species, mitochondrial dysfunction, cellular homeostasis
MeSH terms
Animals, Humans, Mitochondria, Peptides, Physical Conditioning, Animal, Signal Transduction, Exercise, Reactive Oxygen Species, Hormesis

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