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在体内有效的mRNA输送的帕西克洛芬基离子化脂质

Shiqi Wu¹, Kexin Su¹, Xinxin Yan¹

¹College of Pharmaceutical Sciences, Liangzhu Laboratory, Eye Center of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310058, China.

Journal of controlled release : official journal of the Controlled Release Society

|October 18, 2024

概括

研究人员开发了基于帕西克洛芬的新型电离性脂质 (PILs) 用于脂质纳米粒子 (LNP) 传递mRNA疗法. 这些PIL-LNP显示在体外和体内增强的mRNA输送,优于针对性疗法和疫苗的现有LNP配方.

科学领域:

生物技术是生物技术.
药物输送系统药物输送系统
分子医学是分子医学.

背景情况:

使者RNA (mRNA) 疗法利用脂质纳米粒子 (LNP) 传递来治疗各种疾病.
可电离的阴离子脂对于LNP配方至关重要,氨基核显著影响输送效率.
优化LNP性能需要重新设计脂胺核以改善mRNA传递.

研究的目的:

理性地设计和合成一个基于偏旋的电离性脂质 (PILs) 的库.
为了评估基于PIL的LNP在mRNA输送中的有效性,在体外和体内.
为了比较优化的 PIL-LNP 与已建立的 LNP 配方的性能.

主要方法:

合成了198种基于帕西克洛芬的电离性脂质 (PIL).
将PILs制成脂质纳米颗粒 (LNP) 用于mRNA输送.
在体外和体内对LNP特征,mRNA输送和治疗疗效的评估.

主要成果:

PIL-LNP表现出最佳的颗粒大小,泽塔潜力,mRNA结合,内分体逃逸和体外输送.
量身定制的PIL结构在肝脏或体内多器官表达中促进了向的mRNA表达.
与FDA批准的DLin-MC3-DMA LNP和COVID-19疫苗LNP (SM-102,ALC-0315) 相比,优化的PIL-LNP显示出更高的疗效.

结论:

基于偏旋的电离性脂质代表了推动mRNA治疗的有希望的平台.
PIL-LNP为开发有效的向肝脏的mRNA药物和疫苗提供了潜力.
这项研究强调了可电离性脂质结构对mRNA传递性能的影响.

关键词:

高效率高效率的高效率.可离子化脂质是可以离子化的脂质.脂质纳米颗粒的使用方法帕拉西克洛法尼 (Paracyclophane) 是一种气旋.提供mRNA的交付.

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