Cited by 410Circadian rhythm and melatoninDietary Effects on HealthLipid metabolism and biosynthesis

Circadian Clocks and Feeding Time Regulate the Oscillations and Levels of Hepatic Triglycerides

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Adamovich, Yaarit, Rousso-Noori, Liat, Zwighaft, Ziv, Neufeld-Cohen, Adi, Golik, Marina, Kraut-Cohen, Judith, Wang, Miao, Han, Xianlin +1 more·2014·Cell Metabolism

Abstract

Circadian clocks play a major role in orchestrating daily physiology, and their disruption can evoke metabolic diseases such as fatty liver and obesity. To study the role of circadian clocks in lipid homeostasis, we performed an extensive lipidomic analysis of liver tissues from wild-type and clock-disrupted mice either fed ad libitum or night fed. To our surprise, a similar fraction of lipids (∼17%) oscillated in both mouse strains, most notably triglycerides, but with completely different phases. Moreover, several master lipid regulators (e.g., PPARα) and enzymes involved in triglyceride metabolism retained their circadian expression in clock-disrupted mice. Nighttime restricted feeding shifted the phase of triglyceride accumulation and resulted in ∼50% decrease in hepatic triglyceride levels in wild-type mice. Our findings suggest that circadian clocks and feeding time dictate the phase and levels of hepatic triglyceride accumulation; however, oscillations in triglycerides can persist in the absence of a functional clock.

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  • Circadian clocks play a major role in lipid homeostasis in humans and animals, particularly in relation to CVD but also nutrition and other body functions.

    “As a result, mounting evidence now suggests that circadian clocks play a major role in lipid homeostasis both in humans and animals, particularly in relation to CVD but also nutrition and other body functions.”

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Authors
Adamovich, Y., Rousso-Noori, L., Zwighaft, Z., Neufeld-Cohen, A., Golik, M., Kraut-Cohen, J., Wang, M., Han, X., & Asher, G.
Affiliations
  • Weizmann Institute of Science (IL)
  • Sanford Burnham Prebys Medical Discovery Institute (US)
Corresponding author
Asher, Gad
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2014-02
Volume
19
Issue
2
Pages
319-330
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2080019362
Cited by
410
References
43
Citations by year
2026: 19 · 2025: 34 · 2024: 32 · 2023: 32 · 2022: 38 · 2021: 47 · 2020: 45 · 2019: 36 · 2018: 30 · 2017: 28 · 2016: 30 · 2015: 26 · 2014: 10 · 2012: 1
FWCI
15.28
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Aging (R01AG031675, R01AG-31675)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
circadian clock, hepatic triglycerides, meal timing, nocturnal feeding, lipidomics, PPARα, triglyceride metabolism, lipid homeostasis, hepatic steatosis, obesity
MeSH terms
Animals, Liver, Male, Models, Biological, Triglycerides, Mice, Circadian Clocks, Real-Time Polymerase Chain Reaction

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