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一个一般的"双锁"策略,以提高药物负载和溶酶体逃逸在智能酸聚合物纳米颗粒中,以改善化疗

Wanyue Xiao¹, Shaoxing Sun², Rui Geng¹

¹Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.

ACS applied materials & interfaces

|December 6, 2024

概括

使用-协调的新"双锁"策略创建了先进的聚合物纳米粒子. 这些纳米颗粒显示了药物加载,释放和溶酶体逃逸的改善,增强了抗瘤功效.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
纳米技术纳米技术

背景情况:

传统的酸聚合物纳米粒子 (B-O NPs) 在药物加载和溶酶体逃逸方面存在局限性,限制了它们的抗癌有效性.
"单锁"策略依赖酸和二醇,导致性能低于最佳.

研究的目的:

开发一种新的"双锁"策略,用于制备具有增强性能的聚合物纳米粒子.
提高药物加载能力,响应性药物释放和溶酶体逃逸,以获得更好的抗瘤疗效.

主要方法:

开发了一种"双锁"策略,通过- (B ← N) 协调结合多德卡纳胺和酸.
两性德克斯和聚乙烯酒精) 通过使用酸 (PBA) /多德卡纳胺复合物进行合成.
帕克利塔塞尔 (PTX) 被封装成B-N-O NPs,并将其特性与B-O NPs进行比较.

主要成果:

与B-O NPs相比,新的B-N-O NPs表现出明显更高的药物载荷能力和改善的疏水性药物聚合物相互作用.
在酸性条件下,B-N-O NPs表现出增强的帕克利塔塞尔释放,以及优越的溶酶体逃脱能力.
成功合成了八种不同的聚合物前药物B-N-O NPs,显示出增强的药物加载和释放效率.

结论:

"双锁"策略提供了一种多功能方法,用于创建具有卓越抗癌性能的响应性聚合物纳米颗粒.
增强的药物加载,响应性释放和B-N-O NPs的溶酶体逃逸有助于改善体内抗瘤功效.
这种方法为开发先进的纳米药物提供了一个通用和方便的平台.

关键词:

酸的 Ester 是一种酸的.化学疗法化疗化疗毒品装载能力毒品装载能力溶酶体逃脱的方法聚合物纳米粒子的聚合物纳米粒子.响应式释放响应式释放

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