特里洛巴丁通过调节HMGB1介导的TLR4/NF-κB信号通路来减少炎症并增强肠道屏障功能来改善性结肠炎
1Department of Gastroenterology, Wujin Hospital Affiliated with Jiangsu University, Changzhou, Jiangsu 21300, China.
Pathology, research and practice
|February 4, 2026
概括
三巴丁 (TLB) 通过减少肠道炎症和损伤,有效治疗性结肠炎 (UC). 它保护肠道屏障的完整性,并抑制关键的炎症途径,为UC提供了潜在的治疗策略.
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:
- 性结肠炎 (UC) 是一种慢性炎症性肠病,影响胃肠道.
- 目前对UC的治疗有局限性,需要探索新型治疗剂.
- 了解UC病原体背后的分子机制对于开发有效干预措施至关重要.
研究的目的:
- 为了研究特里洛巴 (TLB) 在硫酸 (DSS) 诱导的性结肠炎的治疗潜力和作用机制.
- 在UC模型中评估TLB对肠道屏障功能,炎症,氧化应激和亡的影响.
主要方法:
- 使用DSS诱导的小鼠和NCM460细胞系作为UC的模型.
- 评估了肠道结构完整性,紧结蛋白表达 (ZO-1,Occludin,Claudin-1),以及与亡相关的蛋白质 (Bcl-2,Bax).
- 测量了抗氧化酶活性 (SOD),脂质过氧化 (MDA) 和炎症性细胞因子 (IL-6,TNF-α,IL-1β).
- 研究了TLR4/NF-κB信号传递和HMGB1在TLB的作用机制中的作用.
主要成果:
- 在接受DSS治疗的小鼠中,TLB改善了肠道损伤并提高了紧结蛋白水平.
- TLB治疗增加了SOD活性,降低了MDA水平,并降低了促炎细胞因子 (IL-6,TNF-α,IL-1β).
- 在NCM460细胞中,TLB提高了细胞活力,抑制了细胞亡,氧化应激和炎症,同时提高了紧结蛋白的调节.
- 在DSS诱导的UC模型中,TLB抑制了HMGB1介导的TLR4/NF-κB信号传递.
结论:
- 三巴丁 (TLB) 显示出对DSS诱导的大肠炎的显著保护作用.
- 通过加强肠道屏障,减少炎症和氧化应激,TLB的功能.
- TLB的机制涉及到HMGB1介导的TLR4/NF-κB信号的失活,为UC提供了一个新的治疗策略.
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