Tetrahedral DNA Nanostructure with Interferon Stimulatory DNA Delivers Highly Potent Toxins and Activates the cGAS‐STING Pathway for Robust Chemotherapy and Immunotherapy

can work as not only a drug delivery carrier for highly potent toxins, but also an immunostimulant agent that can activate the STING pathway for antitumor immune responses. In a mouse breast cancer model, the DNA nanostructure is found to nearly fully eradicate primary as well as secondary/metastatic tumors, hence demonstrating its potential clinical translational value.