Monobutyrin can alleviate hepatic lipid dysmetabolism and improve liver mitochondrial ultrastructure and autophagy in high-fat diet mice

Abstract The incidence of non-alcoholic fatty liver disease has proportionally escalated alongside the global epidemic of obesity. Monobutyrin (MB), a food additive found in butter and cod liver oil, possesses lipid-regulating properties. This study aimed to explore the alleviating effect of MB on l...

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Bibliographic Details
Main Authors: Yuqing Zhang, Xiaoteng Li, Haidong Wang, Kexin Zhang, Ji Qiu, Minyao Zhou, Minqi Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:npj Science of Food
Online Access:https://doi.org/10.1038/s41538-025-00524-6
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Summary:Abstract The incidence of non-alcoholic fatty liver disease has proportionally escalated alongside the global epidemic of obesity. Monobutyrin (MB), a food additive found in butter and cod liver oil, possesses lipid-regulating properties. This study aimed to explore the alleviating effect of MB on liver oxidative injury and lipid metabolism in obese mice induced by a high-fat diet (HFD). The results showed that MB administration (1 or 2 g/kg body weight (BW)) for 8 weeks significantly reduced body weight, improved hepatic lipid metabolism via activation of the peroxisome proliferator-activated receptor α (PPARα) signaling pathway, and stabilized liver mitochondrial ultrastructure to alleviate oxidative liver injury by triggering mitochondrial autophagy through regulation of microtubule-associated protein 1A/1B-light chain 3 (LC3) and ubiquitin-binding protein (P62) in mice. Moreover, MB might increase the abundance of beneficial bacteria, promote short-chain fatty acid levels, and alleviate high-fat induced obesity via the gut-liver axis. These findings provide a novel insight into MB as an intervention strategy for hepatic metabolic disorders.
ISSN:2396-8370