Abstract
AbstractActivation of the cyclic GMP‐AMP synthase‐stimulator of the interferon gene (cGAS‐STING) pathway is a potent anticancer immunotherapeutic strategy, and the induction of pyroptosis is a feasible way to stimulate the anticancer immune responses. Herein, two PtIIcomplexes (Pt1andPt2) were designed as photoactivators of the cGAS‐STING pathway. In response to light irradiation,Pt1andPt2could damage mitochondrial/nuclear DNA and the nuclear envelope to activate the cGAS‐STING pathway, and concurrently induce pyroptosis in cancer cells, which evoked an intense anticancer immune response in vitro and in vivo. Overall, we present the first photoactivator of the cGAS‐STING pathway, which may provide an innovative design strategy for anticancer immunotherapy.
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