苏辛酸调节作为与肥胖中间歇性禁食相关的代谢和神经行为变化的生化相关
Andrea Tognozzi1,2, Fabrizia Carli3, Sherif Abdelkarim4
1Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
间歇性禁食 (IF) 通过减少肥胖和神经炎症来改善大脑健康. 这项研究表明,IF改变了糖酸代谢,为治疗代谢和神经系统疾病提供了新的点.
科学领域:
- 神经科学是一个神经科学.
- 代谢研究的研究.
- 肥胖研究的研究.
背景情况:
- 肥胖会对中枢神经系统 (CNS) 产生负面影响,增加神经精神疾病和痴呆症的风险.
- 间歇性禁食 (IF) 显示出增强外周和中枢神经系统健康的潜力,但潜在的机制需要进一步阐明.
研究的目的:
- 在饮食诱导的肥胖小鼠模型中,研究间歇性禁食 (IF) 对代谢和神经健康的影响.
- 确定IF对中枢神经系统产生有益影响的生物化学机制.
主要方法:
- 使用一种饮食诱导的肥胖小鼠模型,涉及为期10周的高脂肪饮食 (HFD),随后进行为期4周的干预期.
- 组包括HFD,HFD与IF (HFD-IF),随意控制 (CC) 和控制与IF (CC-IF).
- 进行了转录组和代谢组分析,以及行为评估和简单补充实验.
主要成果:
- IF干预,特别是在CC-IF组中,导致体重减轻,脂肪量减少,葡萄糖耐受性改善.
- CC-IF组表现出增强的探索性行为和减少类似焦虑的行为.
- 转录组学表明HFD诱导的海马神经炎症,而代谢组学揭示了CC-IF小鼠中独特的酸盐特征 (血减少,肝脏增加和棕色脂肪组织).
- 苏酸补充剂复制了IF的代谢,行为和抗神经炎症作用.
结论:
- 调节血糖酸及其在肝脏和棕色脂肪组织 (BAT) 中的代谢,呈现出一种新的生化途径.
- 这些与酸盐相关的代谢转变与IF之后的代谢功能,神经炎症和行为观察到的改善有关.
- 准糖酸代谢可能为解决与肥胖相关的中枢神经系统疾病提供新的治疗策略.
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