拉胡多糖调节DSS诱导的肠道炎症和抑郁行为通过微生物群-肠-大脑轴
Lili Chang1, Chendi Wang1, Jing Peng1
1College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
Journal of agricultural and food chemistry
|January 2, 2024
概括
拉胡多糖 (RPP) 通过恢复肠道微生物群平衡并通过微生物群-肠道-大脑轴减少大脑炎症,减轻小鼠的肠道炎症和类似抑郁症的行为.
科学领域:
- 胃肠病学 胃肠病学
- 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.
背景情况:
- 炎症性肠病 (IBD) 与增加的抑郁率有关,其机制尚不清楚.
- 胡多糖 (RPP) 是一种潜在的治疗剂,但其对IBD和抑郁症的影响尚不清楚.
研究的目的:
- 为了研究RPP对硫酸盐 (DSS) 诱导的肠道炎症和类似抑郁的行为的影响.
- 阐明RPP行动的基本机制.
主要方法:
- 用DSS诱导小鼠以模拟IBD和抑郁症.
- 进行了RPP治疗,并评估了其对肠道微生物群,代谢物,免疫平衡和大脑炎症的影响.
- 分析了包括TLR4/NF-κB和CREB/BDNF在内的关键信号通路.
主要成果:
- 通过恢复微生物群平衡和短链脂肪酸 (SCFA) 和胆汁酸代谢,RPP改善了DSS诱导的肠炎症.
- RPP治疗促进了肠道Th17/Treg平衡的恢复.
- 通过抑制TLR4/NF-κB通路并通过CREB/BDNF激活改善突触功能,RPP减轻了大脑炎症.
结论:
- 在IBD相关的抑郁症中,RPP显示出治疗潜力.
- RPP通过微生物群-肠-大脑轴作用,减少肠道炎症和神经炎症.
- RPP可能是一个有前途的天然化合物,用于管理复杂的IBD并发症.
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