由捐赠者-受体协调相互作用驱动的聚合菌体的高药物负荷和次量负荷效率
Shixian Lv1,2, Yuchen Wu1, Kaimin Cai2
1Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Collaborative Innovation Center of Suzhou Nano Science and Technology, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University , Suzhou 215123, China.
Journal of the American Chemical Society
|January 16, 2018
概括
研究人员开发了先进的聚合物微粒来增强药物输送. 这种新方法实现了超高的药物载荷和向性癌细胞释放,提高了疗效和降低了毒性.
科学领域:
- 生物材料科学
- 纳米技术
- 药物输送系统
背景情况:
- 聚合物微粒对于疏水性药物输送至关重要,但在药物载荷,均性,稳定性和释放方面面临挑战.
- 现有的方法往往难以实现高缩效率和可控释放.
研究的目的:
- 开发一种具有超高药物载荷能力的聚合物微粒制备的新策略.
- 在癌细胞中增强体稳定性,均大小和向性药物释放.
主要方法:
- 一种两性共聚物与悬挂酸单位的合成.
- 使用聚合物-药物协调相互作用 (捐赠者-接受者) 进行药物封装.
- 包括药物载荷,大小和稳定性在内的细胞特性.
- 对反应性氧物种 (ROS) 的药物释放动力学的评估.
主要成果:
- 达到了极高的药物负荷 (约50%) 和近量化负荷效率 (> 95%).
- 配制的片具有均的尺寸和优异的体稳定性.
- 在癌细胞中高ROS水平引发的有效和选择性药物释放.
- 显示了与其他电子捐赠药物如epirubicin和irinotecan的应用潜力.
结论:
- 开发的聚合物 - 药物协调策略为聚合物微粒中高药载荷提供了一个简单而强大的方法.
- 通过向药物输送和降低全身毒性,改造的细胞增强了抗癌效果.
- 这种平台对改善疏水抗癌药物的治疗结果具有显著的前景.
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