可注射的等级生物活性水凝与纤维细胞生长因子21/埃达拉/咖啡酸异步输送用于治疗帕金森病
Junpeng Xu1,2,3, Peng Dai2,3, Chen Zhang4
1Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, Zhejiang, 315300, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|December 4, 2024
概括
一种新的生物活性水凝 (OACDP) 不同步输送三种药物,用于治疗大鼠帕金森病 (PD). 这种智能水凝疗法改善了行为,并提供了多维的神经保护,为神经退行性疾病提供了一种新方法.
科学领域:
- 生物材料科学 生物材料科学
- 神经科学是一个神经科学.
- 药物输送系统 药物输送系统
背景情况:
- 帕金森病 (PD) 是一种常见的神经退行性疾病,与精神病相关疾病有关.
- 目前的治疗方法在有效地针对各种PD症状方面面临挑战.
- 从智能水凝中异步释放药物是一个有前途的治疗策略.
研究的目的:
- 设计和开发一个分层的生物活性水凝 (OACDP) 异步释放药物,以适应PD病理.
- 在帕金森病的小鼠模型中评估OACDP水凝的治疗疗效.
主要方法:
- 制造一种咖啡酸移植的聚合物水凝,与一个微粒纳米交叉连接器交叉连接.
- 将三种药物 (咖啡酸,FGF21,埃达拉) 纳入用于差异释放动力学.
- 在PD大鼠大脑中注入三重装载水凝的脑内注射,随后进行行为和组织学评估.
主要成果:
- 该OACDP水凝证明了合适的模量,抗氧化活性,可注射性和形状适应性.
- 负载药物实现了异步释放概况 (第一阶段,零阶段,Korsmeyer-Peppas).
- 注射的OACDP水凝显著改善了PD老鼠的行为,并提供神经保护,减少神经元损失,氧化应激和神经炎症.
- 治疗刺激了AMPK/PGC-1α轴,增强了线粒体功能.
结论:
- 通过精确控制的异步药物释放,OACDP水凝使帕金森病的多维治疗成为可能.
- 这种创新的水凝系统为帕金森病和其他神经退行性疾病提供了一个新的治疗概念.
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