循环节的时间,而不是水分状态,决定了在饮食诱导的肥胖大鼠中对像斋月般的禁食的代谢适应
Noof M Alshahrani1, Maha H Alhussain1, Mohammed F Alahmed2
1Department of Food Sciences and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia.
Nutrients
|February 27, 2026
概括
斋月禁食时间,而不是水分补充,显著影响肥胖大鼠的代谢健康. 在不活跃的昼夜阶段禁食改善了胰岛素敏感性和减轻体重增加,这表明昼夜调整是代谢适应的关键.
科学领域:
- 代谢调节 代谢调节 代谢调节
- 循环生物学的日间运行时间.
- 肥胖研究的研究.
背景情况:
- 斋月禁食包括每日禁食,但人类研究很难分离时间,昼夜调整和水分对新陈代谢的影响.
- 了解这些因素对于新陈代谢健康至关重要,特别是在肥胖方面.
研究的目的:
- 调查禁食时间或水分状态是否对饮食诱导的肥胖大鼠的代谢结果产生更大的影响.
- 在受控的实验室环境中模拟斋月式的禁食条件.
主要方法:
- 40只肥胖的老鼠被分为四个斋月式的禁食组 (干/湿,早/夜) 和两个对照组 (健康/肥胖).
- 禁食组在不活跃 (早晨) 或活跃 (晚上) 阶段经历了受限制的食,模仿夜间的老鼠行为.
- 关键的代谢标志物包括体重,葡萄糖,胰岛素,脂质样本,阿迪波金和电解质在四周后被测量.
主要成果:
- 清晨禁食 (不活跃期) 显著减少体重增加和改善胰岛素敏感性 (降低胰岛素和HOMA-IR),而不管水分.
- 血清葡萄糖水平在不同组之间有所不同.
- 虽然禁食降低了胆固醇和甘油三,但水合主要影响了液体和电解质平衡,对核心代谢参数的影响最小.
结论:
- 在这个模型中,禁食时间是代谢调节的更重要的决定因素,而不是水分状态.
- 与不活跃的昼夜阶段一致的禁食产生了更好的代谢结果.
- 循环节调整是与禁食相关的代谢适应的一个关键因素,特别是对于肥胖的人来说.
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