口服库尔库明和素纳米颗粒可以通过调节肠道微生物来改善性结肠炎
Yingxi Li1, Zhiyue Xu1, Shiyang Zhao2
1College of Food Science and Technology, Hebei Agricultural University, Baoding, China.
新的纳米粒子 (Zein-CS-Cur-Que) 有效地将黄素输送到结肠,减少炎症并恢复肠道屏障,用于治疗性结肠炎 (UC).
科学领域:
- 生物医学工程 生物医学工程
- 胃肠病学 胃肠病学
- 纳米技术 纳米技术
背景情况:
- 黄素对性结肠炎 (UC) 有希望,但由于过早的胃肠道释放,其结肠积累不良.
- 开发有针对性的输送系统对于提高黄素在结肠中的治疗效果至关重要.
研究的目的:
- 开发新的口服纳米颗粒 (Zein-CS-Cur-Que) 用于针对性地将黄素输送到结肠.
- 在性结肠炎的小鼠模型上研究这些纳米颗粒的治疗效果.
主要方法:
- 性结肠炎被诱导在小鼠使用德克斯酸硫酸盐.
- 通过评估临床分数,炎症标志物,氧化应激,肠道菌群和基因表达来评估Zain-CS-Cur-Que的疗效.
- 分析的关键途径包括TLR4/NF-κB和JAK2/STAT3,以及紧结蛋白 (ZO-1,Claudin-1,Occludin).
主要成果:
- 齐恩-CS-Cur-Que显著降低了促炎性细胞因子 (INF-γ,IL-6,IL-1β,TNF-α) 和增加了抗炎性IL-10.
- 纳米粒子通过对紧密结蛋白进行上调和对TLR4/NF-κB和JAK2/STAT3通路进行下调来恢复了肠道屏障的完整性.
- 治疗调节了Firmicutes/Bacteroidetes比率,促进了短链脂肪酸的产生,并逆转了UC诱导的损伤.
结论:
- Zein-CS-Cur-Que纳米颗粒通过增强黄素的结肠向和抗炎作用,为治疗性结肠炎提供了一个有希望的策略.
- 这种方法恢复了肠道屏障功能,并调节了关键的炎症信号通路.
- 开发的纳米颗粒为改善黄素生物可用性和治疗UC的疗效提供了科学基础.
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