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Iron nanoparticles make immune cells attack cancer

Iron nanoparticles can activate the immune system to attack cancer cells, according to a study. The nanoparticles, which are commercially available as the injectable iron supplement ferumoxytol, are approved by the Food and Drug Administration to treat iron deficiency anemia.
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Stanford researchers accidentally discovered that iron nanoparticles invented for anemia treatment have another use: triggering the immune system's ability to destroy tumor cells.


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