基于蒂奥芬的 styrene 衍生物通过 AhR 介导的肠道屏障功能和炎症反应改善了 DSS 诱导的 BALB/C 小鼠的结肠炎症状
Ang-Kun Yang1, Yong-Liang Li1, Yan-Ying Chen1
1School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, PR China.
Toxicology and applied pharmacology
|February 4, 2026
概括
一种新的基于烯的烯衍生物 (TBSD) 显示出治疗性结肠炎 (UC) 的前景. 这种阿里碳化合物受体 (AhR) 激动剂有助于降低炎症,并在临床前模型中改善肠道屏障功能.
科学领域:
- 胃肠道学和免疫学
- 药理学和药物发现
背景情况:
- 性结肠炎 (UC) 发病率在全球范围内不断上升,影响着各种年龄组.
- 基碳化合物受体 (AhR) 途径对于控制肠道炎症和恒温至关重要.
- 现有的UC治疗有局限性,需要新的治疗方法.
研究的目的:
- 评估一种基于硫的新型 styrene 衍生物 (TBSD) 作为性结肠炎 (UC) 的阿里碳水化合物受体 (AhR) 激动剂的治疗潜力.
- 为了研究TBSD对肠道屏障功能和炎症反应的作用,在体外和体内.
主要方法:
- 使用Caco-2/RAW264.7共同培养系统来评估TBSD对肠道透性和炎症介质的影响.
- 采用硫酸 (DSS) 诱导的UC小鼠模型来评估TBSD的体内疗效.
- 测量了FITC-dextran超透性,紧结 (TJ) 相关蛋白质表达,以及关键炎症媒介体 (TNF-α,IL-6,IL-22,COX-2) 的水平.
主要成果:
- 在体外和体内,TBSD显著降低了肠道的超透性.
- 治疗TBSD导致紧张结 (TJ) 相关蛋白质的上调,增强肠道屏障的完整性.
- TBSD有效调节炎症媒介,降低TNF-α,IL-6和COX-2的水平,同时影响IL-22.
结论:
- 新的AhR激动剂TBSD显示了性结肠炎 (UC) 的显著治疗潜力.
- 通过减少炎症,保持肠粘膜平衡,并加强肠道屏障,TBSD可以减轻UC的严重程度.
- 作为对UC的治疗方法,TBSD代表了未来发展的有希望的候选人.
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