酸铁稳定益生菌银纳米混合体:多目标肠道微生物群调节和肠道屏障恢复
Saisai Gong1, Zhibo Zeng1, Mingjue Liu1
1College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.
Materials today. Bio
|July 29, 2025
概括
一种新的生物纳米复合物,BL@TA-FeIII@AgNPs,通过保护肠道微生物群和减少炎症,有效治疗肠道损伤. 这种创新方法对治疗内毒性病和相关肠道疾病有很大的希望.
科学领域:
- 生物材料科学 生物材料科学
- 微生物学 微生物学
- 纳米技术纳米技术
背景情况:
- 目前的肠道炎症治疗方法的疗效和副作用有限.
- 需要治疗方法来维持肠道微生物群平衡,同时减少炎症.
研究的目的:
- 开发和评估一种新的混合生物纳米复合物,BL@TA-FeIII@AgNPs,对抗肠道损伤具有协同效果.
- 评估其作为急性内毒素诱导肠道损伤的辅助策略的潜力.
主要方法:
- 使用TEM,EDS,XRD和XPS的BL@TA-FeIII@AgNP的制造和表征.
- 功能性测试包括益生菌活力,流体耐受性和杀菌活性.
- 在急性LPS-endotoxemia小鼠模型中的体内评估,使用16SrRNA测序和代谢学.
主要成果:
- BL@TA-FeIII@AgNP表现出结构完整性,体稳定性和低细胞毒性.
- 纳米复合材料恢复了肠道屏障功能,并减少了氧化应激标志物.
- 微生物群组成和代谢物网络得到了有利的调节,增加了Firmicutes: Bacteroidetes比率和短链脂肪酸.
结论:
- BL@TA-FeIII@AgNP在急性内毒素引起的肠损伤方面显示出有前途的治疗潜力.
- 该系统有效地保持肠道微生物群平衡,减轻炎症.
- 这凸显了其作为辅助治疗策略的潜力.
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