Cancer remains one of the leading causes of the death of individuals globally. Conventional treatment techniques like chemotherapy and radiation often suffer various drawbacks like toxicity and drug resistance. The study of cell death has been predominantly focused on classical forms like apoptosis, but the role of metal ions in governing controlled cell death is a fascinating and less explored area. Metal-mediated controlled cell death is a process where metal triggers cell death via a unique mechanism. Nanomaterial-based strategies have gained attention for their ability to deliver precise therapeutic agents while also triggering Regulated Cell Death (RCD) mechanisms in cancer cells. The recently discovered metal-mediated controlled cell death techniques like cuproptosis and ferroptosis can be used in cancer treatment as they can be used selectively for the treatment of drug-resistant cancer. Nano material-based delivery system can also be used for the precise delivery of the drug to the targeted sites. In this review, we have given some idea about the mechanism of metal-mediated controlled cell death techniques (ferroptosis and cuproptosis) and how we can initiate controlled cell deaths using nanomaterials for cancer treatment.
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