Lysine-Derived Charge-Altering Releasable Transporters: Targeted Delivery of mRNA and siRNA to the Lungs
作者:Timothy R. Blake、Ole A. W. Haabeth、Adrienne Sallets、Rebecca L. McClellan、Trevor J. Del Castillo、Jose G. Vilches-Moure、Wilson C. Ho、Paul A. Wender、Ronald Levy、Robert M. Waymouth
DOI:10.1021/acs.bioconjchem.3c00019
日期:——
Targeted delivery of nucleic acid therapeutics to the lungs could transform treatment options for pulmonary disease. We have previously developed oligomeric charge-altering releasable transporters (CARTs) for in vivo mRNA transfection and demonstrated their efficacy for use in mRNA-based cancer vaccination and local immunomodulatory therapies against murine tumors. While our previously reported glycine-based
将核酸治疗药物靶向递送至肺部可能会改变肺部疾病的治疗选择。我们之前已经开发了用于体内 mRNA 转染的寡聚电荷改变可释放转运蛋白 (CART),并证明了它们在基于 mRNA 的癌症疫苗接种和针对小鼠肿瘤的局部免疫调节疗法中的疗效。虽然我们之前报道的基于甘氨酸的 CART-mRNA 复合物 (G-CARTs/mRNA) 在脾脏中显示出选择性蛋白质表达(小鼠,>99%),但在这里,我们报道了一种新的赖氨酸衍生的 CART-mRNA 复合物 (K-CART/mRNA),在没有添加剂或靶向配体的情况下,在全身静脉注射后在肺(小鼠,>90%)中显示出选择性蛋白质表达。我们进一步表明,通过使用 K-CART 递送 siRNA,我们可以显著降低肺定位报告蛋白的表达。血液化学和器官病理学研究表明,K-CART 是安全的,耐受性良好。我们报道了从简单氨基酸和脂质基单体中合成功能化聚酯和寡碳酸酯共α-氨基酯 K-CART