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Petrus P, Smith JG, Koronowski KB, Chen S, Sato T, Greco CM, Mortimer T, Welz PS, Zinna VM, Shimaji K, Cervantes M, Punzo D, Baldi P, Muñoz-Cánoves P, Sassone-Corsi P, Aznar Benitah S. The central clock suffices to drive the majority of circulatory metabolic rhythms. Sci Adv 2022; 8:eabo2896. [PMID: 35767612 PMCID: PMC9242453 DOI: 10.1126/sciadv.abo2896] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 05/09/2022] [Indexed: 05/17/2023]
Abstract
Life on Earth anticipates recurring 24-hour environmental cycles via genetically encoded molecular clocks active in all mammalian organs. Communication between these clocks controls circadian homeostasis. Intertissue communication is mediated, in part, by temporal coordination of metabolism. Here, we characterize the extent to which clocks in different organs control systemic metabolic rhythms, an area that remains largely unexplored. We analyzed the metabolome of serum from mice with tissue-specific expression of the clock gene Bmal1. Having functional hepatic and muscle clocks can only drive a minority (13%) of systemic metabolic rhythms. Conversely, limiting Bmal1 expression to the central pacemaker in the brain restores rhythms to 57% of circulatory metabolites. Rhythmic feeding imposed on clockless mice resulted in a similar rescue, indicating that the central clock mainly regulates metabolic rhythms via behavior. These findings explicate the circadian communication between tissues and highlight the importance of the central clock in governing those signals.
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Affiliation(s)
- Paul Petrus
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Jacob G. Smith
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), E-08003 Barcelona, Spain
| | - Kevin B. Koronowski
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Siwei Chen
- Department of Computer Science, University of California, Irvine, Irvine, CA 92697, USA
- Institute for Genomics and Bioinformatics, University of California, Irvine, Irvine, CA 92697, USA
| | - Tomoki Sato
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
- Laboratory of Nutritional Biochemistry, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
| | - Carolina M. Greco
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
- Department of Biomedical Sciences, Humanitas University and Humanitas Research Hospital IRCCS, Via Manzoni 56, 20089 Rozzano (Milan), Italy
| | - Thomas Mortimer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Patrick-Simon Welz
- Hospital del Mar Medical Research Institute (IMIM), Cancer Research Programme, 08003 Barcelona, Spain
| | - Valentina M. Zinna
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Kohei Shimaji
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Marlene Cervantes
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Daniela Punzo
- School of Medicine, Department of Microbiology and Molecular Genetics, INSERMU1233, Center for Epigenetics and Metabolism, University of California, Irvine, Irvine, CA 92697, USA
| | - Pierre Baldi
- Department of Computer Science, University of California, Irvine, Irvine, CA 92697, USA
- Institute for Genomics and Bioinformatics, University of California, Irvine, Irvine, CA 92697, USA
| | - Pura Muñoz-Cánoves
- Department of Experimental and Health Sciences, Pompeu Fabra University (UPF), CIBER on Neurodegenerative Diseases (CIBERNED), E-08003 Barcelona, Spain
- ICREA, Catalan Institution for Research and Advanced Studies, Barcelona, Spain
- Spanish National Center on Cardiovascular Research (CNIC), E-28029 Madrid, Spain
| | - Paolo Sassone-Corsi
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), 08010 Barcelona, Spain
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