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Article Abstract
Synthetic polymer vesicles spur novel strategies for producing intelligent nanodevices with precise and specific functions. Engineering vesicular nanodevices with tunable permeability by a general platform without involving trade-offs between structural integrity, flexibility, and functionality remains challenging. Herein, we present a general strategy to construct responsive nanoreactors based on polyion complex vesicles by integrating stimuli-responsive linkers into a crosslinking membrane network. The formulated ROS-responsive nanoreactor with self-boosting catalytic glucose oxidation could protect glucose oxidase (GOD) to achieve cytocidal function by oxidative stress induction and glucose starvation, which is ascribed to stimuli-responsive vesicle expansion without fracture and size-selective cargo release behavior. The GOD-loaded therapeutic nanoreactor induced an immunostimulatory form of cell death by pyroptosis, which has the great potential to prime anti-tumor immune responses.
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