多酶级联Fe/Mo双金属纳米酶具有粘膜修复功能和免疫调节能力,用于性结肠炎的向治疗
Lixiao Xu1, Liling Wang1, Qingliang Chen1
1College of Science, Sichuan Agricultural University, Xin Kang Road, Ya'an 625014, PR China.
一种新型纳米酶Fe/Mo@CM模仿天然抗氧化酶,对抗氧化应激和炎症. 这种创新材料有效地保护肠道屏障,显示出治疗炎症状况的前景.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术 纳米技术
- 免疫学 免疫学 免疫学
背景情况:
- 氧化应激和炎症是胃肠道疾病的关键因素.
- 自然抗氧化剂防御系统是复杂的,可以被压倒.
- 开发有效的纳米酶来模仿这些系统是一个重大挑战.
研究的目的:
- 合成和表征一种新型纳米酶,Fe/Mo@CM,具有多种酶模仿活动.
- 评估Fe/Mo@CM在临床前模型中的抗氧化,抗炎和肠道屏障保护作用.
- 探索Fe/Mo@CM在治疗炎症疾病中的治疗潜力.
主要方法:
- 合成 FeMoO4/MoO3 纳米颗粒,涂上曼诺斯改性奇托 (Fe/Mo@CM).
- 在体外评估抗氧化酶模仿活性 (SOD,GPx,POD).
- 在体内对抗炎症作用,肠道屏障蛋白表达和DSS诱导的大肠炎模型的评估.
主要成果:
- Fe/Mo@CM表现出强大的级联抗氧化剂酶模仿活动,清除活性氧和物种.
- Fe/Mo@CM显著降低了炎症损伤,抑制了免疫细胞的透,并降低了结肠中的促炎细胞因子.
- 用Fe/Mo@CM治疗增强了肠道屏障的完整性,减轻了结肠缩短和组织病理损伤.
结论:
- Fe/Mo@CM纳米酶有效地防止氧化应激,炎症和肠道屏障破坏.
- Fe/Mo@CM显示出调节炎性微环境和免疫反应的潜力.
- 该纳米酶表现出良好的胃肠道耐受性和强大的治疗疗效,用于炎症条件.
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