Cheng, C., Hou, S., An, H., Du, C., Wang, Z., Ran, H., Zhou, Z., Jiang, W., Ren, J. (2026). Igniting Endogenous Calcipoptosis via ER‐Mitochondrial Calcium Shuttle Hijacking for Potent Antitumor Immunity. Advanced Materials. https://doi.org/10.1002/adma.202518631