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<p>Sugar preference is a key contributor to the overconsumption of sugar and the concomitant increase in the incidence of diabetes. However, the exact mechanism of its development remains ambiguous. Here we show that the expression of free fatty acid receptor Ffar4, a receptor for long-chain fatty acids, is decreased in patients and mouse models with diabetes, which is associated with high sugar intake. Deletion of intestinal Ffar4 in mice resulted in reduced gut <i>Bacteroides vulgatus</i> and its metabolite pantothenate, leading to dietary sugar preference. Pantothenate promoted the secretion of GLP-1 which inhibited sugar preference by stimulating hepatic FGF21 release, which in turn regulates energy metabolism. These findings uncover a previously unappreciated role of Ffar4 in negatively regulating sugar preference and suggest <i>B. vulgatus</i>-derived pantothenate as a potential therapeutic target for diabetes.</p>

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Free fatty acid receptor 4 modulates dietary sugar preference via the gut microbiota

  • 期刊论文

  • 发表日期：

    2025年1月13日

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  • Tingting Zhang,
  • Wei Wang,
  • Jiayu Li,
  • Xianlong Ye,
  • Zhe Wang,
  • Siyuan Cui,
  • Shiwei Shen,
  • Xinmiao Liang,
  • Yong Q. Chen,
  • Shenglong Zhu

摘要

Sugar preference is a key contributor to the overconsumption of sugar and the concomitant increase in the incidence of diabetes. However, the exact mechanism of its development remains ambiguous. Here we show that the expression of free fatty acid receptor Ffar4, a receptor for long-chain fatty acids, is decreased in patients and mouse models with diabetes, which is associated with high sugar intake. Deletion of intestinal Ffar4 in mice resulted in reduced gut Bacteroides vulgatus and its metabolite pantothenate, leading to dietary sugar preference. Pantothenate promoted the secretion of GLP-1 which inhibited sugar preference by stimulating hepatic FGF21 release, which in turn regulates energy metabolism. These findings uncover a previously unappreciated role of Ffar4 in negatively regulating sugar preference and suggest B. vulgatus-derived pantothenate as a potential therapeutic target for diabetes.