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Gene ; 926: 148606, 2024 Oct 30.
Article in English | MEDLINE | ID: mdl-38788813

ABSTRACT

Obesity and overweight are multifactorial diseases affecting more than one-third of the world's population. Physical inactivity contributes to a positive energy balance and the onset of obesity. Exercise combined with a balanced diet is an effective non-pharmacological strategy to improve obesity-related disorders. Gallic acid (GA), is a natural endogenous polyphenol found in a variety of fruits, vegetables, and wines, with beneficial effects on energetic homeostasis. The present study aims to investigate the effects of exercise training on obese mice supplemented with GA. Animal experimentation was performed with male Swiss mice divided into five groups: ST (standard control), HFD (obese control), HFD + GA (GA supplement), HFD + Trained (training), and HFD + GA + Trained (GA and training). The groups are treated for eight weeks with 200 mg/kg/body weight of the feed compound and, if applicable, physical training. The main findings of the present study show that GA supplementation improves liver fat, body weight, adiposity, and plasma insulin levels. In addition, animals treated with the GA and a physical training program demonstrate reduced levels of anxiety. Gene expression analyses show that Sesn2 is activated via PGC-1α independent of the GATOR2 protein, which is activated by GA in the context of physical activity. These data are corroborated by molecular docking analysis, demonstrating the interaction of GA with GATOR2. The present study contributes to understanding the metabolic effects of GA and physical training and demonstrates a new hepatic mechanism of action via Sestrin 2 and PGC-1α.


Subject(s)
Gallic Acid , Liver , Mice, Obese , Obesity , Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha , Physical Conditioning, Animal , Animals , Mice , Gallic Acid/pharmacology , Male , Liver/metabolism , Liver/drug effects , Obesity/metabolism , Obesity/genetics , Obesity/drug therapy , Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha/metabolism , Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha/genetics , Anxiety/drug therapy , Nuclear Proteins/metabolism , Nuclear Proteins/genetics , Diet, High-Fat/adverse effects , Gene Expression Regulation/drug effects , Sestrins
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