细胞决定因素影响了聚胺-协同-) 纳米颗粒的红细胞吸附效率
Thomas C Binns1,2, David A Eaton2,3, Dana V Akiki2
1Department of Laboratory Medicine, Yale University, New Haven, CT 06520, USA.
Science advances
|May 2, 2025
概括
红细胞 (RBC) 搭车改善了纳米粒子向肺部等器官的药物输送. 优化RBC属性可以增强纳米粒子吸附和货物传递,克服传统方法的局限性.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 药物运输 药物运输 药物运输
背景情况:
- 聚胺联合 (PACE) 纳米颗粒用于药物输送,但通常会在肝脏和脏中积累.
- 这限制了它们在治疗非肝腺组织方面的有效性.
- 红细胞 (RBC) 旅行是一种改变纳米粒子生物分布的策略.
研究的目的:
- 研究影响PACE纳米颗粒对红细胞吸附的细胞决定因素.
- 为了优化RBC的车协议,以提高纳米粒子的传递.
- 用PACE纳米颗粒通过RBC车来证明核酸输送.
主要方法:
- 评估红细胞储存时间,膜硬度和酸量对纳米粒子吸附的影响.
- 开发一个优化的协议,用于RBC的车.
- 评估纳米粒子货物输送到肺部和其他组织后RBC车.
主要成果:
- 红细胞储存时间,膜硬度和酸量显著影响PACE纳米粒子吸附效率.
- 一个优化的协议增强了PACE纳米粒子货物传递到肺组织.
- 红细胞上车也增加了其他评估器官的暴露.
结论:
- 细胞变量是红细胞车效率和临床翻译的关键因素.
- 用PACE纳米颗粒优化红细胞上车可以改善药物输送到目标器官.
- 这一策略使核酸的输送成为可能,扩大了治疗的可能性.
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