具有肠道适应性结构的水凝微球,用于有效的益生菌输送和肠道向释放
Yiyan Liu1, Xinyue Wang1, Dongjie Huang1
1College of Food Science and Engineering, Shandong Agricultural University, Shandong Engineering Research Center of Food Nutrition and Precision Health, Tai'an 271018, P. R. China.
ACS applied materials & interfaces
|January 30, 2026
概括
新的水凝微球保护肠道中的益生菌. 这些肠道适应性结构增强了益生菌的生存和殖民,为肠道健康提供了一个有前途的输送系统.
科学领域:
- 生物材料科学 生物材料科学
- 微生物学 微生物学
- 胃肠病学 胃肠病学
背景情况:
- 口服益生菌调节肠道微生物群,但由于恶劣的消化环境而面临挑战.
- 现有的益生菌输送的多糖化水凝具有结构完整性差和过早释放等局限性.
研究的目的:
- 开发新的肠道适应性水凝微球 (GG/GN-TA HMs),以增强益生菌保护和有针对性的口服输送.
- 改善益生菌在胃肠道中的生存和有效性.
主要方法:
- 使用凝糖 (GG) 和β-葡萄糖-酸 (GN-TA) 创建的水凝微球.
- 利用TA-Ca2+金属网络进行结构增强和肠道向特性.
- 评估了低pH的微球完整性,以及它们在肠道环境中的分解.
- 在大肠炎小鼠模型中评估治疗效果.
主要成果:
- GG/GN-TA HM在低pH值和肠特异性拆解下表现出优异的结构完整性.
- 该系统使益生菌能够在恶劣条件下生存,并促进了结肠殖民.
- 含有益生菌的GG/GN-TA HMs显著缓解了肠道炎症,修复了肠道屏障,并在大肠炎小鼠中重塑了肠道微生物群.
结论:
- GG/GN-TA HM提供了一个强大的益生菌保护系统和有针对性的输送,克服了传统方法的局限性.
- 开发的水凝微球促进益生菌-益生菌协同作用,以有效管理肠道健康.
- 这个系统显示出在炎症性肠道疾病和肠道微生物群调节中的治疗应用的巨大潜力.
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