具有英多尔-3-乳酸生产能力的双杆菌通过减少神经炎症来表现出精神生物的潜力
Xin Qian1, Qing Li1, Huiyue Zhu1
1State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
Cell reports. Medicine
|October 29, 2024
概括
像Bifidobacterium breve这样的精神病菌可以通过产生英多尔-3-乳酸 (ILA) 来帮助治疗抑郁症. 这种化合物通过Aldh基因生成,恢复ILA水平并产生抗抑郁作用,可能通过AhR信号传递.
科学领域:
- 微生物学 微生物学
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
背景情况:
- 全球抑郁症的增加需要新的治疗方法.
- 精神生物药物看起来有前途,但其潜在的分子机制尚未完全理解.
- 在抑郁症中观察到海马体的英多尔-3-乳酸 (ILA) 减少.
研究的目的:
- 阐明心理生物抗抑郁药效应的分子机制.
- 为了确定产生神经活性化合物的细菌途径.
- 为了研究英多尔-3-乳酸 (ILA) 在精神病治疗中的作用.
主要方法:
- 使用了小鼠抑郁症模型.
- 施用了Bifidobacterium breve及其Aldh突变体. 这是一个很好的方法.
- 在海马和血液循环中测量ILA水平.
- 分析了芳香乳酸脱酶 (Aldh) 基因的作用.
- 评估神经行为变化和阿里碳化合物受体 (AhR) 信号传递.
主要成果:
- 患有抑郁症的小鼠显示海马体ILA减少,而Bifidobacterium breve补充剂恢复了这种情况.
- 双菌补充剂增加了小鼠和人类的循环ILA.
- 双胞胎细菌中的Aldh基因对于ILA的产生和抗抑郁药物的作用至关重要.
- 拥有Aldh的双杆菌物种表现出更强的抗抑郁活性.
- 精神病源性ILA可能通过AhR信号产生抗抑郁作用,减少神经炎症.
结论:
- 精神病菌衍生的英多尔-3-乳酸 (ILA) 具有显著的抗抑郁药疗效.
- 双细菌中的Aldh基因和通路是ILA生产和治疗效益的关键.
- ILA的机制可能涉及激活基受体 (AhR) 信号,以对抗神经炎症.
- 这项研究为在治疗情绪障碍时使用精神病生物制剂提供了分子基础.
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