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Harvard University

Implants mimic infection to rally immune system against tumors

Published in Cancer Weekly, February 10th, 2009

Bioengineers at Harvard University have shown that small plastic disks impregnated with tumor-specific antigens and implanted under the skin can reprogram the mammalian immune system to attack tumors.

The research -- which ridded 90 percent of mice of an aggressive form of melanoma that would usually kill the rodents within 25 days -- represents the most effective demonstration to date of a cancer vaccine.

Harvard's David J. Mooney and colleagues describe the research in the current issue of the journal Nature Materials.

"Our immune systems work by recognizing and attacking foreign invaders, allowing most cancer cells -- which...

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