A 'Pacman strategy' to boost the immune system to fight cancer

A molecule that lies dormant until it encounters a cancer cell, then suddenly activates and rouses the body's immune system to fight cancer cells directly, marks the latest step in scientists' efforts to tap the body's own resources to fight the disease. The developers of the technology dub it the "Pacman strategy" because it hinges upon molecular machines produced in abundance by tumors to chew through and gobble up particular chains of molecules.

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