New Iron-Based Nanomaterial Developed to Combat Cancer Cells
**Islamabad:** Researchers at **Oregon State University** have developed a novel iron-based nanomaterial designed to destroy cancer cells from within while sparing surrounding healthy tissue.
The material activates two distinct chemical reactions inside tumor cells, causing severe oxidative stress that kills the cancer cells. This breakthrough strengthens the emerging field of **chemodynamic therapy (CDT)**, which exploits the unique chemical environment inside tumors. Cancer cells are more acidic and contain higher levels of hydrogen peroxide than normal cells, making them susceptible to CDT.
Traditional CDT generates **hydroxyl radicals**, highly reactive molecules that damage cell components such as fats, proteins, and DNA. Advanced CDT methods have also achieved the production of **singlet oxygen**, a reactive oxygen species with a unique electron spin state that can further destroy cancer cells.
According to lead researcher **Olivier Teratolake**, existing CDT agents are limited because they typically produce either hydroxyl radicals or singlet oxygen—not both—and often lack sufficient catalytic activity for sustained reactive oxygen species production. As a result, tumors may shrink partially, but long-term therapeutic benefits are limited.
To overcome these limitations, the team created a **metal-organic framework (MOF) based CDT nano-agent**. This nanomaterial simultaneously produces hydroxyl radicals and singlet oxygen, greatly enhancing its anti-cancer potential. Laboratory tests demonstrated strong cytotoxic effects on various cancer cell lines while minimizing damage to non-cancerous cells.
This development represents a promising step toward more effective, targeted cancer therapies.
