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Accidental innovation and cancer research

University_of_rochester_medical_1 Through a process of serendipitous innovation, a team of biomedical researchers at the University of Rochester Medical Center in New York may have discovered a new way to attack cancerous tumor growths. It turns out that what researchers originally thought was a "lab disaster" may actually be a new compound that breaks down the cell walls of tumors. The researchers will test the new compound for safety in the hope of developing it to treat cancers such as colon cancer, esophageal cancer, liver and skin cancers. It all started when the researchers decided to use cancer cells instead of normal human cells:

Normal human cells are difficult to grow and study in the lab, because they tend to die. But cancer cells live much longer and are harder to kill, so scientists often use them. [Katherine] Schaefer was looking for drugs to treat the inflammation seen in Crohn's disease and ulcerative colitis, both of which cause pain and diarrhea.

She was testing a compound called a PPAR-gamma modulator. It would never normally have been thought of as a cancer drug, or in fact a drug of any kind. "I made a calculation error and used a lot more than I should have. And my cells died," Schaefer said. A colleague overheard her complaining. "The co-author on my paper said,' Did I hear you say you killed some cancer?' I said 'Oh', and took a closer look." They ran several tests and found the compound killed "pretty much every epithelial tumor cell lines we have seen," Schaefer said. Epithelial cells line organs such as the colon, and also make up skin. It also killed colon tumors in mice without making the mice sick, they reported in the journal International Cancer Research.

[image: University of Rochester medical researchers]

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