Researchers find association between oral bacteria and esophageal cancer

LOUISVILLE, Ky., USA: University of Louisville School of Dentistry researchers have found a bacterial species responsible for gum disease, Porphyromonas gingivalis, is present in 61 percent of patients with esophageal squamous cell carcinoma (ESCC). The findings, published recently in “Infectious Agents and Cancer,” only detected P. gingivalis in 12 percent of tissues adjacent to the cancerous cells, while this organism was undetected in normal esophageal tissue.

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