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Oral, Gastric Bacteria May Help Pinpoint Stomach Cancer

May 24, 2018
by Diana Swift, Medpage Today


Microbial markers could prove useful for diagnosing stomach cancer and its precursors earlier and less invasively, according to a study that identified stomach and oral bacteria that may be involved in gastric tumorigenesis.

There were negative changes in microbial composition and interactions across various steps in the path to gastric carcinogenesis (GC), reported Jun Yu, MD, PhD, MBBS, of the Chinese University of Hong Kong, and colleagues.

The authors found a significant abundance of five species: Peptostreptococcus stomatis, Parvimonas micra, Streptococcus anginosus, Slackia exigua, and Dialister pneumosintes. The first two are oral bacteria, and may have important roles in GC progression, they wrote in Gut.

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