克洛斯特里斯辛登斯通过产生英多尔-3-酸来减轻急性损伤
Yi-Zhi Cao1,2, Jiang-Yi Li1, Jun-Ming Hu1
1Key Laboratory of Tropical Biological Resources of Ministry of Education and One Health Institute, School of Pharmaceutical Sciences, Hainan University, Haikou, China.
NPJ biofilms and microbiomes
|December 15, 2025
概括
肠道微生物群中的Clostridium scindens (CS) 可以通过产生-3-酸 (IAA) 来防止急性损伤 (AKI). 这种代谢物减少炎症并增强肠道屏障功能,为AKI提供了一种新的治疗策略.
科学领域:
- 微生物学 微生物学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
背景情况:
- 肠道微生物群在急性损伤中的作用是一个新兴的研究领域.
- 了解将肠道失调与损伤联系在一起的机制对于开发有效治疗至关重要.
研究的目的:
- 研究肠道微生物群,特别是Clostridium scindens (CS) 对AKI的保护作用.
- 阐明涉及CS介导损伤和炎症改善的分子途径.
主要方法:
- 在动物模型中诱导AKI (缺血/再输血,叶酸).
- 施用Clostridium scindens (CS) 和评估功能,氧化应激和炎症.
- 分析肠道微生物群组成和代谢物生产,包括英多尔-3酸 (IAA).
- 研究烯碳化合物受体 (AhR) 途径和干扰素-γ水平.
主要成果:
- 在AKI模型中,CS的使用显著改善了功能障碍,氧化应激和炎症.
- CS通过托代谢途径促进了印醇-3-酸 (IAA) 的产生.
- 增加的IAA激活了基碳化合物受体 (AhR),恢复了肠道屏障的完整性,并减少了全身干扰素-γ.
- 天然产品Nobiletin增强了CS的生长,进一步减轻了AKI.
结论:
- 螺旋 (Clostridium scindens,CS) 通过调节肠道微生物群的代谢物,在AKI中起着保护作用.
- CS-IAA-AhR轴是减少炎和损伤的关键途径.
- 准CS代表了管理AKI的潜在治疗策略.
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