金属有机框架-edaravone纳米颗粒用于放射治疗引起的脑损伤治疗
Xuejiao Li1, Shiyuan Hua2, Danni Zhong2
1Department of Radiology, Affiliated Hangzhou First People's Hospital, Westlake University School of Medicine, Hangzhou 310006, China; Zhejiang University-Ordos City Etuoke Banner Joint Research Center, Zhejiang University, Haining, 314400, China.
Biomaterials
|October 16, 2024
概括
这项研究开发了新型纳米颗粒 (EDA@MIL-53(Cr) -P/A) 来输送埃达拉,通过减少氧化应激和炎症,有效地防止放射治疗引起的脑损伤和认知功能障碍.
科学领域:
- 纳米医学是一种纳米医学.
- 神经科学是一个神经科学.
- 辐射疗法 辐射疗法
背景情况:
- 部放射治疗可能会损害大脑组织,导致认知功能障碍.
- 制定有效的辐射保护策略对于预防脑损伤至关重要.
研究的目的:
- 创建一种新的药物输送系统,用于神经保护,防止放射治疗引起的脑损伤.
- 为了增强神经保护药物edaravone的输送和有效性.
主要方法:
- 合成的MIL-53 (((Cr) 纳米颗粒装有埃达拉.
- 表面修饰的纳米颗粒 (EDA@MIL-53(Cr) -P/A) 与聚乙烯糖醇和安吉奥佩普-2用于改善血脑屏障 (BBB) 的透.
- 在体外评估了对神经元和质细胞的辐射保护作用.
- 在对整个大脑辐射的小鼠模型中评估治疗疗效.
主要成果:
- EDA@MIL-53(Cr) -P/A纳米颗粒证明了持续的埃达拉释放和增强的BBB交叉.
- 在体外研究表明,HT22和BV2细胞具有显著的辐射保护作用.
- 在体内实验中,辐射小鼠的脑损伤和认知缺陷得到了缓解.
- 这种机制涉及抑制氧化应激,DNA损伤,亡和炎症.
结论:
- EDA@MIL-53(Cr) -P/A纳米粒子是预防放射治疗引起的脑损伤的一个有希望的策略.
- 这种纳米输送系统通过提高药物的生物可用性和向性来增强神经保护.
- 这些发现为接受骨放射治疗的患者提供了一种新的治疗方法.
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