双向的Mn@CeO2纳米酶修饰的益生菌水凝微球重塑炎症性肠道疾病中的肠道平衡
Pinwen Zhou1, Qi Sun2, Longchang Huang1
1Clinical Nutrition Service Center, Department of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, China.
这项研究开发了纳米酶涂层益生菌封装在酸盐微球中,用于改善炎症性肠病 (IBD) 治疗. 这种新型的输送系统增强了益生菌的有效性,
科学领域:
- 生物医学工程
- 微生物学
- 材料科学
背景情况:
- 口服益生菌在炎症性肠道疾病 (IBD) 中表现有前途, 但面临着传递挑战.
- 现有的益生菌与胃肠道的生存,抗氧化剂的稳定性,
研究的目的:
- 开发一种先进的益生菌输送系统,以加强IBD治疗.
- 使用纳米酶涂层和酸盐微球来改善益生菌的存活率,向性传递和治疗效果.
主要方法:
- 合成Mn@CeO2纳米酶以清除反应性氧物种 (ROS).
- 用纳米酶涂层Limosilactobacillus reuteri并通过静电喷雾将其封装在藻酸盐微球 (MnCe@LR/AMs) 中.
- 在大肠炎小鼠模型中评估MnCe@LR/AMs.
主要成果:
- 在酸性环境中,MnCe@LR/AMs表现出增强的ROS吸收和稳定性.
- 该系统通过曼诺酶受体结合,对炎症部位进行双重向.
- 用MnCe@LR/AMs治疗改善了肠道屏障功能,微生物多样性和益生菌的丰富性.
- 治疗效果包括协同抗氧化/ 抗炎活性,增强氨基酸吸收和调节的巨分化.
结论:
- 在晚期IBD治疗中,MnCe@LR/AM是一种有前途的策略.
- 纳米酶酸微球系统显著提高了益生菌的传递精度和有效性.
- 这种方法为开发向性微生物群治疗IBD提供了一个新平台.
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