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肠道FFA2通过改变西方饮食养小鼠的食物摄入量来促进肥胖

Kristen R Lednovich¹, Sophie Gough¹, Medha Priyadarshini¹

¹Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA.

The Journal of endocrinology

|November 30, 2023

概括

自由脂肪酸受体2 (FFA2) 的肠特异性淘汰,暂时保护小鼠免受饮食诱导的肥胖. 这突显了肠道FFA2在调节代谢平衡和能量平衡方面的新作用.

科学领域:

代谢生理学代谢生理学
肠道微生物组研究研究
肥胖研究的研究.

背景情况:

短链脂肪酸 (SCFA) 对于代谢平衡至关重要.
自由脂肪酸受体2 (FFA2) 调解SCFA效应,但其肠道作用尚不清楚.
现有的研究经常使用全球淘汰模式,限制了肠道特定的见解.

研究的目的:

为了研究FFA2.2的肠特异性功能.
描述肠道FFA2删除对肥胖发展的生理影响.
了解FFA2在对西方饮食的代谢反应中的作用.

主要方法:

使用Villin-Cre.Cre生成一个肠道特异性的FFA2淘汰赛小鼠模型 (Vil-FFA2).
对Vil-FFA2和对照小鼠 (FFA2fl/fl) 进行了西方饮食 (WD) 和对照饮食 (CD).
估计的体重,脂肪量,葡萄糖平衡,呼吸交换率,能量消耗和食物摄入量.

主要成果:

用WD养的Vil-FFA2小鼠对肥胖产生了暂时的保护,脂肪质量降低,葡萄糖平衡改善.
在Vil-FFA2小鼠中观察到呼吸交换率和能量消耗的显著差异.
在WD挑战期间,在Vil-FFA2小鼠的多个时间点观察到食物摄入量减少.

结论:

肠道FFA2在调解肥胖发展方面发挥着新的作用.
准肠道FFA2可能为代谢疾病干预提供一种策略.
这项研究提供了关于FFA2在代谢调节中的肠特异性功能的关键见解.

关键词:

FFA2 FFA2 FFA2 FFA2 FFA2 FFA2 FFA2 FFA2 食物摄入量食物摄入量自由脂肪酸受体2的作用我们的肠道微生物群.代谢的恒常化是代谢的恒常化.肥胖肥胖肥胖肥胖肥胖肥胖肥胖肥胖短链脂肪酸受体短链脂肪酸受体

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