Drug delivery and triggered release in tumor cells would realize the ultimate goal of precise cancer treatment. An APE1 triggered DNA nanoprism was designed, aiming at the applications of both drug delivery and precise triggered drug release in cancer cell. We demonstrate that the AP-Prism was successfully used as a vehicle based on the intracellular endogenous enzyme APE1 triggered for controlled drug delivery and triggered release. The box like DNA prism was self-assembled by annealing...