罗素通过PPARγ/NF-κB信号通路减少炎症,缓解睡眠剥夺引起的认知障碍
Wenjun Chen1, Mei Liu2, Ziming Li3
1Research Experimental Center, Meizhou People's Hospital (Huangtang Hospital), Meizhou 514031, China; Meizhou Clinical Medical College of Guangdong Medical University, Meizhou 514000, China; Guangdong Provincial Engineering and Technology Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou 514000, China.
Experimental neurology
|September 16, 2024
概括
在小鼠中,施用Phloretin (PHL) 显著改善了因睡眠不足 (SD) 引起的认知障碍. PHL减少神经炎症和突触损失,为睡眠相关的认知缺陷提供了潜在的治疗候选者.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 免疫学 免疫学 免疫学
背景情况:
- 睡眠不足会导致显著的认知障碍,神经炎症在病变发生中发挥着关键作用.
- 素 (PHL),一种水果衍生化合物,具有已知的抗炎性质,但其对睡眠剥夺引起的认知缺陷的影响尚不清楚.
研究的目的:
- 调查佛罗素 (PHL) 在改善睡眠剥夺 (SD) 导致的认知障碍方面的疗效.
- 阐明PHL发挥其保护作用的潜在机制,包括神经炎症和突触可塑性.
主要方法:
- 小鼠接受睡眠剥夺 (SD) 模式,然后给予不同剂量的PHL.
- 评估了认知功能,突触完整性,神经元活动,微质激活和海马中的细胞因子概况.
- 在体外和体内研究中探索了PPARγ/NF-κB通路的参与.
主要成果:
- 剂量取决于PHL的管理,缓解了SD引起的认知障碍.
- PHL减轻了突触损失,增强了树突脊柱密度,并改善了海马中的神经元活动.
- PHL治疗调节了微质激活,恢复了M1/M2平衡,并调节了亲/抗炎细胞因子的产生,可能通过PPARγ/NF-κB通路.
结论:
- 罗素 (PHL) 通过抑制微质介导的神经炎症,有效地防止睡眠不足引起的认知障碍.
- 保护机制包括恢复突触可塑性和调节炎症通路,特别是通过PPAR-γ.
- PHL代表了一个有前途的治疗候选人,用于开发与睡眠丧失相关的认知缺陷的治疗方法.
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