Teaching the immune system to fight back against cancer

December 11, 2014 12:00 PM

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“The idea of immunotherapy is that your immune system has evolved not just to fight infectious disease [like a cold virus or the measles], but it’s also evolved to recognize tumor cells— cells that have changed and transformed into dangerous cells— and eliminate them,” Paterson said.

Since our immune system does not recognize cancer cells as abnormal, Paterson discovered that the powerful bacterium called listeria could help.

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