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Begemann, K.* ; Heyde, I.* ; Witt, P.* ; Inderhees, J.* ; Leinweber, B.* ; Koch, C.E.* ; Jöhren, O.* ; Oelkrug, R.* ; Liskiewicz, A. ; Müller, T.D. ; Oster, H.*

Rest phase snacking increases energy resorption and weight gain in male mice.

Mol. Metab. 69:101691 (2023)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
OBJECTIVE: Snacking, i.e., the intake of small amounts of palatable food items, is a common behavior in modern societies, promoting overeating and obesity. Shifting food intake into the daily rest phase disrupts circadian rhythms and is also known to stimulate weight gain. We therefore hypothesized that chronic snacking in the inactive phase may promote body weight gain and that this effect is based on disruption of circadian clocks. METHODS: Male mice were fed a daily chocolate snack either during their rest or their active phase and body weight development and metabolic parameters were investigated. Snacking experiments were repeated in constant darkness and in clock-deficient mutant mice to examine the role of external and internal time cues in mediating the metabolic effects of snacking. RESULTS: Chronic snacking in the rest phase increased body weight gain and disrupted metabolic circadian rhythms in energy expenditure, body temperature, and locomotor activity. Additionally, these rest phase snacking mice assimilated more energy during the inactive phase. Body weight remained increased in rest phase snacking wildtype mice in constant darkness as well as in clock-deficient mutant mice under a regular light-dark cycle compared to mice snacking in the active phase. Weight gain effects were abolished in clock-deficient mice in constant darkness. CONCLUSIONS: Our data suggest that mistimed snacking increases energy resorption and promotes body weight gain. This effect requires a functional circadian clock at least under constant darkness conditions.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Body Weight Gain ; Circadian Clock ; Energy Intake ; Energy Resorption ; Light–dark Cycle ; Snacking; Circadian Clock; Caloric-intake; Metabolism; Phosphatidylcholine; Absorption; Secretion; Intestine; Responses; Component; Rhythms
Sprache englisch
Veröffentlichungsjahr 2023
HGF-Berichtsjahr 2023
ISSN (print) / ISBN 2212-8778
e-ISSN 2212-8778
Zeitschrift Molecular Metabolism
Quellenangaben Band: 69, Heft: , Seiten: , Artikelnummer: 101691 Supplement: ,
Verlag Elsevier
Verlagsort Amsterdam
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Diabetes and Obesity (IDO)
POF Topic(s) 30201 - Metabolic Health
90000 - German Center for Diabetes Research
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-502200-001
G-501900-221
Förderungen
European Research Council ERC-CoG Trusted
German Center for Diabetes Research (DZD)
German Research Foundation, DFG
DOI 10.1016/j.molmet.2023.101691
WOS ID 000944390600001
Scopus ID 85149167819
PubMed ID 36746332
Erfassungsdatum 2023-02-23
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