Cited by 51Circadian rhythm and melatoninRedox biology and oxidative stressSleep and Work-Related Fatigue

Circadian Redox and Metabolic Oscillations in Mammalian Systems

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O'Neill, John S., Feeney, Kevin A.·2014·Antioxidants & Redox Signaling

Abstract

Significance: A substantial proportion of mammalian physiology is organized around the day/night cycle, being regulated by the co-ordinated action of numerous cell-autonomous circadian oscillators throughout the body. Disruption of internal timekeeping, by genetic or environmental perturbation, leads to metabolic dysregulation, whereas changes in metabolism affect timekeeping. Recent Advances: While gene expression cycles are essential for the temporal coordination of normal physiology, it has become clear that rhythms in metabolism and redox balance are cell-intrinsic phenomena, which may regulate gene expression cycles reciprocally, but persist in their absence. For example, a circadian rhythm in peroxiredoxin oxidation was recently observed in isolated human erythrocytes, fibroblast cell lines in vitro , and mouse liver in vivo . Critical Issues: Mammalian timekeeping is a cellular phenomenon. While we understand many of the cellular systems that contribute to this biological oscillation's fidelity and robustness, a comprehensive mechanistic understanding remains elusive. Moreover, the formerly clear distinction between “core clock components” and rhythmic cellular outputs is blurred since several outputs, for example, redox balance, can feed back to regulate timekeeping. As with any cyclical system, establishing causality becomes problematic. Future Directions: A detailed molecular understanding of the temporal crosstalk between cellular systems, and the coincidence detection mechanisms that allow a cell to discriminate clock-relevant from irrelevant stimuli, will be essential as we move toward an integrated model of how this daily biological oscillation works. Such knowledge will highlight new avenues by which the functional consequences of circadian timekeeping can be explored in the context of human health and disease. Antioxid. Redox Signal. 20, 2966–2981.

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  • Elements of the molecular circadian clock directly regulate cellular metabolism and mitochondrial function in the liver and other tissues.

    “Recent studies have demonstrated that elements of the molecular circadian clock directly regulate cellular metabolism and mitochondrial function in the liver and other tissues316–318.”

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Research works printed but not linked: 2

  1. [100]100. O'Neill JS, Maywood ES, and Hastings MH. Cellular circadian pacemaking and the role of cytosolic rhythms. In: Handbook of Experimental Pharmacology: Circadian Clocks , edited by Kramer A and Merrow M, Berlin, Heidelberg: Springer, 2013, pp. 67-103.
  2. [117]117. Salway JG. Metabolism at a Glance . Malden, MA; Oxford: Blackwell, 2004.

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Authors
O'Neill, J. S., & Feeney, K. A.
Affiliations
MRC Laboratory of Molecular Biology (GB)
Venue
Antioxidants & Redox Signaling
Published
2014-06
Volume
20
Issue
18
Pages
2966-2981
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W2030605788
Cited by
51
References
145
Citations by year
2026: 5 · 2025: 2 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 4 · 2020: 7 · 2019: 3 · 2018: 9 · 2017: 2 · 2016: 4 · 2015: 6 · 2014: 1
FWCI
0.44
Type
journal article
Language
en
Open access
Locations
  • Antioxidants and Redox Signaling (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Wellcome Trust (093734/Z/10/Z)
  • Medical Research Council (MC_UP_1201/4)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
circadian clock, redox oscillations, metabolic oscillations, circadian gene expression, metabolic dysfunction, coincidence detection, redox signaling
MeSH terms
Animals, Biological Clocks, Circadian Rhythm, Gene Expression Regulation, Humans, Mammals, Metabolism, Oxidation-Reduction, Mice, Circadian Clocks

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