Cited by 191Circadian rhythm and melatoninPancreatic function and diabetesHypothalamic control of reproductive hormones

The suprachiasmatic nucleus controls the daily variation of plasma glucose via the autonomic output to the liver: are the clock genes involved?

Cailotto, Cathy, La Fleur, Susanne E., Van Heijningen, Caroline, Wortel, Joke, Kalsbeek, Andries, Feenstra, Matthijs, Pévet, Paul, Buijs, Ruud M.·2005·European Journal of Neuroscience

Abstract

In order to drive tissue-specific rhythmic outputs, the master clock, located in the suprachiasmatic nucleus (SCN), is thought to reset peripheral oscillators via either chemical and hormonal cues or neural connections. Recently, the daily rhythm of plasma glucose (characterized by a peak before the onset of the activity period) has been shown to be directly driven by the SCN, independently of the SCN control of rhythmic feeding behaviour. Indeed, the daily variation in glucose was not impaired unless the scheduled feeding regimen (six-meal schedule) was associated with an SCN lesion. Here we show that the rhythmicity of both clock-gene mRNA expression in the liver and plasma glucose is not abolished under such a regular feeding schedule. Because the onset of the activity period and hyperglycemia are correlated with an increased sympathetic tonus, we investigated whether this autonomic branch is involved in the SCN control of plasma glucose rhythm and liver rhythmicity. Interestingly, hepatic sympathectomy combined with a six-meal feeding schedule resulted in a disruption of the plasma glucose rhythmicity without affecting the daily variation in clock-gene mRNA expression in the liver. Taking all these data together, we conclude that (i) the SCN needs the sympathetic pathway to the liver to generate the 24-h rhythm in plasma glucose concentrations, (ii) rhythmic clock-gene expression in the liver is not dependent on the sympathetic liver innervation and (iii) clock-gene rhythmicity in liver cells is not sufficient for sustaining a circadian rhythm in plasma glucose concentrations.

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Crossref · 10.1111/j.1460-9568.2005.04439.x

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  • The SCN needs an intact sympathetic innervation of the liver to generate a daily rhythm in plasma glucose concentrations.

    “From these studies it became clear that the SCN does indeed need an intact sympathetic innervation of the liver to generate a daily rhythm in plasma glucose concentrations [63,66].”

    From Circadian control of glucose metabolism (2014) · cites this paper as [66]

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Authors
Cailotto, C., La Fleur, S. E., Van Heijningen, C., Wortel, J., Kalsbeek, A., Feenstra, M., Pévet, P., & Buijs, R. M.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Cailotto, Cathy
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2005-11
Volume
22
Issue
10
Pages
2531-2540
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2020343018
Cited by
191
References
44
Citations by year
2026: 2 · 2025: 4 · 2024: 6 · 2023: 3 · 2022: 7 · 2021: 12 · 2020: 8 · 2019: 7 · 2018: 9 · 2017: 10 · 2016: 11 · 2015: 13 · 2014: 10 · 2013: 13 · 2012: 18
FWCI
3.31
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • HAL (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
suprachiasmatic nucleus, circadian rhythm, plasma glucose, clock genes, hyperglycemia
MeSH terms
Animals, Autonomic Nervous System, Blood Glucose, Chromatography, High Pressure Liquid, Corticosterone, Eating, Electrophysiology, Growth, Insulin, Liver, Male, Motor Activity, Periodicity, RNA, Suprachiasmatic Nucleus, Sympathectomy, Rats, Wistar, DNA, Complementary, Reverse Transcriptase Polymerase Chain Reaction, Rats

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