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洋紫片通过减轻系统性炎症和调节肠道微生物群来对抗硫酸德克斯诱导的性结肠炎
Yilin Li1, Tingting Wang2, Beibei Ma2
1School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, People's Republic of China.
香紫溪片 (XLZXT) 通过修复肠道屏障和减少炎症,有效治疗小鼠的性结肠炎 (UC). 这种传统中医药恢复了肠道微生物群的平衡,并调节了关键的炎症通路.
科学领域:
- 药理学 药理学是指药理学的学科.
- 胃肠病学 胃肠病学
- 微生物学 微生物学
背景情况:
- 性结肠炎 (UC) 是一种具有复杂病原性的慢性炎症性肠病.
- 传统中医药 (TCM) 配方,如西安治xie片 (XLZXT),用于管理UC,但它们的机制需要阐明.
研究的目的:
- 在UC的小鼠模型中研究XLZXT的治疗疗效.
- 阐明XLZXT对UC作用的潜在机制,重点关注肠道屏障完整性,炎症通路和微生物群调节.
主要方法:
- 建立了一个甲 (DSS) 诱导的UC小鼠模型.
- 通过测量临床得分,结肠长度,脏指数和组织病理学来评估治疗效果.
- 通过分析炎症性细胞因子水平,肠粘膜蛋白表达 (MUC-2,Occludin,ZO-1),TLR4/MyD88/NF-κB信号通路激活,以及通过16SrRNA测序来分析肠道微生物群组成,探索了机制.
主要成果:
- XLZXT显著缓解了UC症状,包括体重减轻,腹和直肠出血,并减少了结肠病理性损伤.
- 通过调节下调的促炎性细胞因子 (TNF-α,IL-1β,IL-6) 和调节上调的抗炎性细胞因子 (IL-10) 来调节 XLZXT 的炎症反应.
- 通过增加MUC-2,Occludin和ZO-1表达,XLZXT增强了肠道屏障功能,同时抑制TLR4/MyD88/NF-κB通路并恢复肠道微生物群平衡.
结论:
- 在小鼠中,XLZXT对DSS诱导的UC具有显著的治疗益处.
- 这些机制包括修复肠道粘膜屏障,调节TLR4/MyD88/NF-κB信号通路,恢复肠道微生物群的稳定.
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