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益生菌的生物对等结合和响应性纳米涂层用于炎症性肠道疾病
Pandi Peng1, Tao Feng1, Xue Yang1
1Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering (IBME), Ningbo Institute, Northwestern Polytechnical University (NPU), Xi'an 710072, China.
新的多功能益生菌为治疗炎症性肠病 (IBD) 提供了一种协同方法. 这种口服治疗增强了肠道屏障功能,调节了免疫反应,有效地改善了IBD症状.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
背景情况:
- 炎症性肠道疾病 (IBD) 涉及免疫失调,肠道屏障受损,以及改变的微生物群.
- 目前的IBD治疗方法在生物可用性和疗效方面存在局限性.
研究的目的:
- 开发一种用于IBD的协同治疗策略,使用口服的多功能益生菌.
- 增强肠道中的益生菌输送和免疫调节活性.
主要方法:
- 免疫调节剂与益生菌的生物对等结合 (埃舍里希亚大肠杆菌尼斯尔1917).
- 改性益生菌的封装,用肠道涂层,用于有针对性的肠道释放.
- 在小鼠结肠炎模型中进行评估,以评估治疗效果.
主要成果:
- 修改后的益生菌保持了生命力和生物活性,抵抗胃酸并释放肠道中的有效载荷.
- 口服多功能益生菌显著缓解了小鼠的IBD症状.
- 治疗导致体重增加,疾病活动减少,抑制促炎性细胞因子,恢复肠道屏障完整性,改善微生物群组成.
结论:
- 功能化益生菌代表了协同IBD治疗的可行和有效方法.
- 这一策略增强了口服输送和向免疫调节,以改善IBD管理.
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