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A bacterial duo linked to colon cancer

Scientists have identified a combination of bacteria that appears to increase the risk of colon cancer. Through a series of experiments in mice, they were able to pinpoint ways in which the two species of bacteria promote inflammation and break down the mucus layer of the colon. Christine M. Dejea and colleagues began by analyzing tissue samples from patients with a genetic condition associated with increased risk of developing precancerous polyps in the colon, called familial adenomatous polyposis (FAP).
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