申请人:University of Florida Research Foundation, Incorporated
公开号:US11000597B2
公开(公告)日:2021-05-11
Provided herein are compositions and methods related to targeted delivery of a therapeutic or diagnostic agent to a subject utilizing an engineered receptor-ligand system, such as an engineered dockerin-cohesin system. As described herein, previously-developed targeted delivery systems for delivering therapeutic and diagnostic agents to a tissue of interest have drawbacks that have not been addressed to date. For example, with respect to the blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier (BCSFB), both of which hamper delivery of agents to the brain, others have relied on the use of endogenously expressed receptors, like the transferrin receptor, to assist the agent across the barriers.
本文提供了与利用工程受体-配体系统(如工程 dockerin-cohesin系统)向受试者靶向递送治疗剂或诊断剂有关的组合物和方法。如本文所述,以前开发的将治疗剂和诊断剂靶向输送到相关组织的靶向输送系统存在迄今尚未解决的缺点。例如,血脑屏障(BBB)和血-脑脊液屏障(BCSFB)都会阻碍将药剂输送到大脑,因此其他药物依赖于使用内源性表达的受体(如转铁蛋白受体)来帮助药剂穿过屏障。