Angiopoietin-like 4 dictates the day-night rhythm of metabolic brown adipose tissue activity

Robin van Eenige, W. in het Panhuis, Milena Schönke, Céline Jouffe, Thomas H. Devilee, R. Siebeler, Trea C.M. Streefland, Hetty C.M. Sips, Amanda C.M. Pronk, Ruben Vorderman, Haillang Mei, Jan Bert van Klinken, Michel van Weeghel, Nina H. Uhlenhaut, A.H. Kersten, Patrick Rensen, Sander Kooijman

Research output: Other contributionPamphlet

Abstract

Brown adipose tissue (BAT) burns fatty acids (FAs) to produce heat, and interestingly shows a strong day-night rhythm in glucose and triglyceride (TG)-derived FA-uptake (Van den Berg, Cell Rep 2018), peaking around wakening. Here we aimed to gain insight in the diurnal regulation of metabolic BAT activity. BAT was collected from chow-fed male C57BL/6J mice at 3-hour intervals throughout the day, and RNA-sequencing, chromatin immunoprecipitation (ChIP)-sequencing, and lipidomics analyses were performed. Knockout and overexpression models were used to study causal relationships in diurnal lipid handling by BAT. Our findings highlight involvement of PPARγ and a crucial role of angiopoietin-like 4 (ANGPTL4) in mediating the day-night rhythm of TG-derived FA-uptake by BAT, and implicate that time of day should be considered when studying the metabolic benefits of targeting brown fat.
Original languageEnglish
PublisherUniversiteit Leiden
Number of pages1
DOIs
Publication statusPublished - 24 Jun 2023

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