in THRs but also induce hypoxia in tumors by themselves. Moreover, inspired by the oxygen metabolism of anaerobes, we construct a light‐induced hypoxia‐responsive modality to promote dissociation of vehicles and activation of bioreductive prodrugs simultaneously. In vitro and in vivo experiments indicate that this anaerobe‐inspired nanovesicle can efficiently induce apoptotic cell death and significantly
厌氧菌,如梭菌和沙门氏菌可以选择性地侵入并在肿瘤低氧区域(THRs)定居,并提供治疗性产品来破坏癌细胞。在本文中,我们提出了一种厌氧菌纳米囊模拟物,它不仅可以在THRs中被激活,而且还可以自身诱导肿瘤缺氧。此外,受厌氧菌氧代谢的启发,我们构建了一种光诱导的低氧反应性模式,以同时促进媒介物的解离和
生物还原性前药的激活。体外和体内实验表明,这种厌氧菌激发的纳米囊泡可有效诱导凋亡
细胞死亡并显着抑制肿瘤生长。我们的工作为以
生物启发和协同方式设计刺激响应性药物递送系统提供了新的策略。