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Making Cancer Cells Glow

Researchers at AntiCancer Incorporated in San Diego, California and at Okayama University in Japan are developing a virus that makes cancer cells permanently glow. A fluorescence gene derived from jellyfish is integrated into tumors using a modified cold virus. The gene is designed to replicate in the presence of an enzyme only seen in cancer cells. As cancer cells further divide, the new gene is retained, creating a genetic marker that identifies those cells.