Cited by 136Circadian rhythm and melatoninAdrenal Hormones and DisordersStress Responses and Cortisol

The adrenal peripheral clock: Glucocorticoid and the circadian timing system

Son, Gi Hoon, Chung, Sooyoung, Kim, Kyungjin·2011·Frontiers in Neuroendocrinology

Abstract

The mammalian circadian timing system is organized in a hierarchy, with the master clock residing in the suprachiasmatic nucleus (SCN) of the hypothalamus and subsidiary peripheral clocks in other brain regions as well as peripheral tissues. Since the local oscillators in most cells contain a similar molecular makeup to that in the central pacemaker, determining the role of the peripheral clocks in the regulation of rhythmic physiology and behavior is an important issue. Glucocorticoids (GCs) are a class of multi-functional adrenal steroid hormones, which exhibit a robust circadian rhythm, with a peak linked with the onset of the daily activity phase. It has long been believed that the production and secretion of GC is primarily governed through the hypothalamus-pituitary-adrenal (HPA) neuroendocrine axis in mammals. Growing evidence, however, strongly supports the notion that the periodicity of GC involves the integrated activity of multiple regulatory mechanisms related to circadian timing system along with the classical HPA neuroendocrine regulation. The adrenal-intrinsic oscillator as well as the central pacemaker plays a pivotal role in its rhythmicity. GC influences numerous biological processes, such as metabolic, cardiovascular, immune and even higher brain functions, and also acts as a resetting signal for the ubiquitous peripheral clocks, suggesting its importance in harmonizing circadian physiology and behavior. In this review, we will therefore focus on the recent advances in our understanding of the circadian regulation of adrenal GC and its functional relevance.

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Crossref · 10.1016/j.yfrne.2011.07.003

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  • The circadian system regulates glucocorticoid secretion from the adrenal glands, such that concentrations tend to peak in the morning just before awakening and decrease throughout the day in diurnal animals, including humans.

    “the circadian system regulates glucocorticoid secretion from the adrenal glands, such that concentrations tend to peak in the morning just before awakening and decrease throughout the day in diurnal animals, including humans52,53.”

    From Circadian rhythm disruption and mental health (2020) · cites this paper as [52]

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Authors
Son, G. H., Chung, S., & Kim, K.
Affiliations
Seoul National University (KR)
Corresponding author
Kim, Kyungjin
Venue
Frontiers in Neuroendocrinology
Publisher
Elsevier BV
Published
2011-10
Volume
32
Issue
4
Pages
451-465
ISSN
0091-3022 (ISSN-L)
OpenAlex
W1971407944
Cited by
136
References
221
Citations by year
2026: 3 · 2025: 6 · 2024: 9 · 2023: 6 · 2022: 6 · 2021: 8 · 2020: 7 · 2019: 8 · 2018: 10 · 2017: 16 · 2016: 8 · 2015: 12 · 2014: 12 · 2013: 12 · 2012: 13
FWCI
1.24
Type
journal article
Language
en
Open access
closed
Locations
  • Frontiers in Neuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
glucocorticoids, circadian system, peripheral clocks, adrenal gland, suprachiasmatic nucleus, hypothalamic-pituitary-adrenal axis, circadian rhythm, glucocorticoid secretion, clock resetting, circadian physiology
MeSH terms
Adrenal Glands, Animals, Biological Clocks, Glucocorticoids, Humans, Models, Biological, Signal Transduction, Neuroendocrine Cells, Circadian Clocks

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