超分子宿主-客组件用于可调和和模块化色素向蛋白质降解
Xuetao Chen1,2, Tingting Wu1,2, Yali Chen1,2
1Jiang Su Key Laboratory of Drug Design and Optimization and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
Angewandte Chemie (International ed. in English)
|June 10, 2025
概括
我们开发了宿主-客人桥梁 lysosome-targeting 嵌合体 (HGTACs),用于可调节的蛋白质降解. 这种超分子平台提供了精确的降解控制,显示了治疗应用的前景.
科学领域:
- 超分子化学 超分子化学
- 化学生物学 化学生物学
- 药物发现 药物发现 药物发现
背景情况:
- 目前的异构功能药物中固定的共价链接限制了适应性.
- lysosome-targeting 嵌合体 (PROTACs) 在向蛋白质降解方面是有效的.
- 对蛋白质降解的动态控制仍然是一个挑战.
研究的目的:
- 引入一种新的超分子双功能平台,HGTACs,用于可调和模块化蛋白质降解.
- 证明HGTACs能够促进各种蛋白质的溶酶体降解的能力.
- 探索HGTACs的时空控制和持续活动.
主要方法:
- 用于非共价组件的β-cyclodextrin-adamantane主机-客户互动.
- 设计HGTAC以准EGFR等细胞外和膜外蛋白.
- 通过调整成分比率和使用竞争性连接剂,研究了降解效率.
- 评估主机模块对持续活动的可回收性.
- 在异种移植模型中评估了体内疗效.
主要成果:
- HGTACs成功诱导了NS-650,EGFR和HER2.2的溶酶体降解.
- 通过非共价桥梁实现了对蛋白质降解的时空控制.
- 降解效率是微调通过变化的组件固体测量和竞争性连接体.
- 可回收的主机模块提供了持续的降解活动.
- 在体内研究表明,EGFR显著减少并抑制瘤生长.
结论:
- 高GTACs代表了一个灵活和高效的超分子平台,用于蛋白质降解.
- 这种非共价方法提供了动态适应性和时空控制,而不是化学诱导的近距离.
- HGTACs具有显著的潜力,可以推进基于向蛋白质降解的治疗策略.
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