Cited by 96Circadian rhythm and melatoninGenetics, Aging, and Longevity in Model OrganismsSleep and Work-Related Fatigue

Chronobiology of Aging: A Mini-Review

Cornelissen, Germaine, Otsuka, Kuniaki·2017·Gerontology

Abstract

Aging is generally associated with weakening of the circadian system. The circadian amplitude is reduced and the circadian acrophase becomes more labile, tending to occur earlier with advancing age. As originally noted by Franz Halberg, similar features are observed in the experimental laboratory after bilateral lesioning of the suprachiasmatic nuclei, suggesting the involvement of clock genes in the aging process as they are in various disease conditions. Recent work has been shedding light on underlying pathways involved in the aging process, with the promise of interventions to extend healthy life spans. Caloric restriction, which is consistently and reproducibly associated with prolonging life in different animal models, is associated with an increased circadian amplitude. These results indicate the critical importance of chronobiology in dealing with problems of aging, from the circadian clock machinery orchestrating metabolism to the development of geroprotectors. The quantitative estimation of circadian rhythm characteristics interpreted in the light of time-specified reference values helps (1) to distinguish effects of natural healthy aging from those associated with disease and predisease; (2) to detect alterations in rhythm characteristics as markers of increased risk before there is overt disease; and (3) to individually optimize by timing prophylactic and/or therapeutic interventions aimed at restoring a disturbed circadian system and/or enhancing a healthy life span. Mapping changes in amplitude and/or acrophase that may overshadow any change in average value also avoids drawing spurious conclusions resulting from data collected at a fixed clock hour. Timely risk detection combined with treatment optimization by timing (chronotherapy) is the goal of several ongoing comprehensive community-based studies focusing on the well-being of the elderly, so that longevity is not achieved at the cost of a reduced quality of life.

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Crossref · 10.1159/000450945

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  • In older adults, rhythms often return to being substantially earlier, and this shift may be accompanied by a weakening of circadian rhythms.

    “In older adults, rhythms often return to being substantially earlier, and this shift may be accompanied by a weakening of circadian rhythms11,12.”

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Authors
Cornelissen, G., & Otsuka, K.
Affiliations
Tokyo Women's Medical University (JP)
Venue
Gerontology
Publisher
S. Karger AG
Published
2016-10-22
Volume
63
Issue
2
Pages
118-128
ISSN
  • 0304-324X (ISSN-L)
  • 1423-0003
OpenAlex
W2535649952
Cited by
96
References
38
Citations by year
2026: 6 · 2025: 5 · 2024: 15 · 2023: 9 · 2022: 5 · 2021: 19 · 2020: 13 · 2019: 13 · 2018: 6 · 2017: 5
FWCI
0.84
Type
journal article
Language
en
Open access
closed
Locations
  • Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of Minnesota
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
aging, circadian rhythm, circadian amplitude, suprachiasmatic nucleus, clock genes, caloric restriction, healthspan, geroprotectors, chronotherapy, quality of life in old age
MeSH terms
Aging, Animals, Chronobiology Phenomena, Circadian Rhythm, Humans, Longevity, Suprachiasmatic Nucleus, Signal Transduction, Caloric Restriction, Metabolic Networks and Pathways, Circadian Clocks

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