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粘膜透的聚合物微粒配方,用于向呼吸道输送胰岛素
Ji-Hyun Kang1,2, Jin-Hyuk Jeong1, Yong-Bin Kwon1
1College of Pharmacy, Chungbuk National University, Cheongju, 28160, Republic of Korea.
International journal of nanomedicine
|September 13, 2024
概括
新的粘液透菌根有效地将胰岛素输送到呼吸道. 这些纳米载体显示出增强的粘液透和持续的血糖降低,为吸入疗法提供了一个有希望的替代方案.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术 纳米技术
- 药理学 药理学是指药理学的学科.
背景情况:
- 呼吸道粘液是有效药物输送的重要障碍.
- 微粒的表面特性对于穿透这种粘液层至关重要.
- 制定有效的肺部药物输送策略至关重要.
研究的目的:
- 开发和评估可透粘液的聚合物微粒,以加强向呼吸道输送胰岛素.
- 为了比较聚乙烯糖醇 (PEG) 涂层小粒与细胞透 (CPP) 结合小粒的疗效.
- 评估这些微粒配方的物理化学,气溶和生物性能.
主要方法:
- 用PEG涂层和CPP结合的聚合物微粒制备,加载胰岛素.
- 物理化学性质和气溶性能的表征.
- 在体外评估药物释放,粘液透和细胞透.
- 在动物模型中进行体内药理动力学/药理动力学 (PK/PD) 研究.
主要成果:
- 纳米微粒 (<100nm) 显示持续释放胰岛素.
- 被PEG覆盖的菌体显示出优异的扩散和通过粘液透.
- 经CPP修饰的菌体在体外表现出增强的细胞透.
- 在体内研究显示,与皮下胰岛素相比,细胞配方的Cmax和AUC0-8h更高,具有持续的降糖效果.
结论:
- 穿透粘液的微粒配方是有效的吸入纳米载体,用于递送.
- 这些菌根可以克服呼吸道粘液屏障,以有效运输药物.
- 开发的配方有望改善肺部药物输送系统.
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