奎尔素通过激活基碳水化合物受体来改善肠道屏障的完整性来改善性结肠炎
Xiaojing Wang1,2, Xuting Xie1, Yanyang Li1
1School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
Phytotherapy research : PTR
|October 24, 2023
概括
奎尔素通过激活基碳水化合物受体 (AhR) 来修复性结肠炎 (UC) 中的肠壁功能障碍. 这增强了紧结蛋白,缓解了UC症状,并提供了新的治疗见解.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 药理学 药理学是指药理学的学科.
背景情况:
- 肠上皮质屏障功能障碍是性结肠炎 (UC) 发病的核心原因.
- 治疗UC的治疗策略侧重于修复受损的肠道屏障.
研究的目的:
- 调查奎尔塞丁在UC中的肠壁修复效应是否由烯碳水化合物受体 (AhR) 介导.
主要方法:
- 德克斯硫酸 (DSS) 诱导大肠炎在小鼠中,用奎尔丁 (25-100毫克/公斤) 治疗.
- 在体外研究中使用Caco-2细胞来评估奎尔素对紧结 (TJ) 蛋白和AhR激活的影响.
- 使用AhR抗剂CH223191来确认AhR依赖性.
主要成果:
- 奎尔素通过以AhR-依赖的方式恢复紧密结合的完整性,缓解了小鼠的结肠炎.
- 在体外,奎尔素增加了TJ蛋白 (ZO-1,Claudin1) 并通过CYP1A1诱导和核转位激活了AhR.
- AhR对抗作用逆转了奎尔素的治疗效果和TJ增强.
结论:
- 奎尔素通过激活AhR来修复UC的肠壁功能障碍,从而增强紧密结合蛋白.
- 这项研究为改善UC肠道屏障功能的奎尔丁机制提供了新的见解.
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