Cited by 482Circadian rhythm and melatoninGenetics, Aging, and Longevity in Model OrganismsSleep and Wakefulness Research

The circadian clock and pathology of the ageing brain

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Kondratova, Anna A., Kondratov, Roman V.·2012·Nature Reviews Neuroscience

Abstract

Ageing leads to a functional deterioration of many brain systems, including the circadian clock--an internal time-keeping system that generates ∼24-hour rhythms in physiology and behaviour. Numerous clinical studies have established a direct correlation between abnormal circadian clock functions and the severity of neurodegenerative and sleep disorders. Latest data from experiments in model organisms, gene expression studies and clinical trials imply that dysfunctions of the circadian clock contribute to ageing and age-associated pathologies, thereby suggesting a functional link between the circadian clock and age-associated decline of brain functions. Potential molecular mechanisms underlying this link include the circadian control of physiological processes such as brain metabolism, reactive oxygen species homeostasis, hormone secretion, autophagy and stem cell proliferation.

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Authors
Kondratova, A. A., & Kondratov, R. V.
Affiliations
  • Cleveland Clinic (US)
  • Cleveland State University (US)
Corresponding author
Kondratov, Roman V.
Venue
Nature Reviews Neuroscience
Published
2012-03-07
Volume
13
Issue
5
Pages
325-335
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2077676121
Cited by
482
References
143
Citations by year
2026: 23 · 2025: 29 · 2024: 28 · 2023: 24 · 2022: 49 · 2021: 44 · 2020: 41 · 2019: 24 · 2018: 30 · 2017: 48 · 2016: 36 · 2015: 40 · 2014: 26 · 2013: 32 · 2012: 8
FWCI
3.83
Type
journal article
Language
en
Open access
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Aging (R03AG033881, R01AG039547)
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
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
circadian clock, brain aging, neurodegeneration, sleep disorders, brain metabolism, reactive oxygen species, hormone secretion, autophagy, stem cell proliferation, circadian rhythm
MeSH terms
Aging, Animals, Brain, Circadian Rhythm, Cognition Disorders, Humans, Circadian Clocks

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