释放CO的多氧甲酸纳米酶具有肠粘膜免疫和微生物群平衡重塑效应,用于恢复肠道屏障完整性
Hongyang Lu1, Qiang Zhou2, Jiayu Li1
1School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|March 13, 2025
概括
一种新型纳米酶,CO释放聚氧甲酸盐 (PMC),通过减少炎症和恢复肠道微生物平衡,有效地修复肠道屏障,为炎症性肠病 (IBD) 提供了有希望的治疗方法.
科学领域:
- 胃肠病学 胃肠病学
- 纳米医学是一种纳米医学.
- 免疫学 免疫学 免疫学
背景情况:
- 炎症性肠病 (IBD) 的发病包括肠上皮质屏障的破坏,免疫调节失调和微生物失衡.
- 目前的IBD治疗在有效性和副作用方面面临挑战.
研究的目的:
- 开发和评估一种用于IBD治疗的新型CO释放聚氧甲酸盐 (POMs) 纳米酶 (PMC).
- 研究PMC的治疗机制,包括屏障修复,抗氧化,抗炎和免疫调节作用.
主要方法:
- 通过协调五碳基化与基于的POM纳米集群来合成PMC.
- 使用性结肠炎的细胞模型和动物模型进行体外和体内研究.
- 评估肠道屏障完整性,反应性氧物种 (ROS) 清除,CO释放,肠道微生物群组成 (16S rRNA测序) 和免疫细胞概况 (单细胞RNA测序).
主要成果:
- 在受IBD影响的部位,PMC展示了有针对性的积累,高效的ROS清理和响应性CO释放.
- PMC显著修复了肠道屏障,表现出强大的抗氧化和抗炎性质.
- PMC重塑了肠道微生物群,减少了亲炎性M1巨细胞,并抑制了炎症途径.
- PMC促进了M2巨细胞和肠干细胞种群,激活了VEGF和NOTCH信号通路.
结论:
- PMC是一种有前途的IBD多功能治疗剂,有效地恢复肠道屏障功能和免疫平衡.
- 纳米酶调节肠道微生物群和促进组织修复的能力突显了它对性结肠炎的治疗潜力.
关键词:
有机氧化物疗法 CO治疗.抗氧化剂是一种抗氧化剂.这是一种抗炎药,是一种抗炎药.我们的肠道微生物群.肠道上皮质屏障 肠道上皮质屏障聚氧甲酸盐纳米酶是一种多氧甲酸盐纳米酶.一个单细胞RNA测序.更多相关视频
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