昼夜节律
生物钟
食物摄入量
神经科学
生物
沟通
心理学
内分泌学
作者
Lauren N. Woodie,Lily C. Melink,Mohit K. Midha,Alan de Araujo,Caroline E. Geisler,Ahren J. Alberto,Brianna M. Krusen,Delaine M. Zundell,Guillaume de Lartigue,Matthew R. Hayes,Mitchell A. Lazar
标识
DOI:10.1101/2023.11.30.568080
摘要
Circadian desynchrony induced by shiftwork or jetlag is detrimental to metabolic health, but how synchronous/desynchronous signals are transmitted among tissues is unknown. Here we report that liver molecular clock dysfunction is signaled to the brain via the hepatic vagal afferent nerve (HVAN), leading to altered food intake patterns that are corrected by ablation of the HVAN. Hepatic branch vagotomy also prevents food intake disruptions induced by high-fat diet feeding and reduces body weight gain. Our findings reveal a previously unrecognized homeostatic feedback signal that relies on synchrony between the liver and the brain to control circadian food intake patterns. This identifies the hepatic vagus nerve as a therapeutic target for obesity in the setting of chrono-disruption.
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