Cited by 43Circadian rhythm and melatoninSleep and Wakefulness ResearchSleep and Work-Related Fatigue

The Molecular Clock and Neurodegenerative Disease: A Stressful Time

Open access
Carter, Bethany, Justin, Hannah S., Gulick, Danielle, Gamsby, Joshua J.·2021·Frontiers in Molecular Biosciences

Abstract

Circadian rhythm dysfunction occurs in both common and rare neurodegenerative diseases. This dysfunction manifests as sleep cycle mistiming, alterations in body temperature rhythms, and an increase in symptomatology during the early evening hours known as Sundown Syndrome. Disruption of circadian rhythm homeostasis has also been implicated in the etiology of neurodegenerative disease. Indeed, individuals exposed to a shifting schedule of sleep and activity, such as health care workers, are at a higher risk. Thus, a bidirectional relationship exists between the circadian system and neurodegeneration. At the heart of this crosstalk is the molecular circadian clock, which functions to regulate circadian rhythm homeostasis. Over the past decade, this connection has become a focal point of investigation as the molecular clock offers an attractive target to combat both neurodegenerative disease pathogenesis and circadian rhythm dysfunction, and a pivotal role for neuroinflammation and stress has been established. This review summarizes the contributions of molecular clock dysfunction to neurodegenerative disease etiology, as well as the mechanisms by which neurodegenerative diseases affect the molecular clock.

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Crossref · 10.3389/fmolb.2021.644747

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  • CLOCK, CRY, and BMAL1 can regulate secretion of cytokines and chemokines through many immune mediator genes.

    “It has been reported that circadian locomotor output cycles protein kaput (CLOCK), cryptochrome (CRY) and brain and muscle ARNT-like protein 1 (BMAL1) can regulate the secretion of cytokines and chemokines through many immune mediator genes.121”

    From Role of neuroinflammation in neurodegeneration development (2023) · cites this paper as [121]

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  1. Trenkwalder C. Arnulf I. Postuma R. (2017). Principles and Practice of Sleep Medicine. Amsterdam: Elsevier Inc.,.

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Authors
Carter, B., Justin, H. S., Gulick, D., & Gamsby, J. J.
Affiliations
University of South Florida (US)
Corresponding author
Gamsby, Joshua J.
Venue
Frontiers in Molecular Biosciences
Published
2021-03-26
Volume
8
Pages
644747-644747
ISSN
2296-889X (ISSN-L)
OpenAlex
W3151775086
Cited by
42
References
164
Citations by year
2026: 4 · 2025: 8 · 2024: 5 · 2023: 11 · 2022: 12 · 2021: 2
FWCI
0.99
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Molecular Biosciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Florida Department of Health (9AZ31, 7AZ13)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
circadian clock, neurodegenerative diseases, body temperature rhythm, neuroinflammation, stress, shift work

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