gastric microbiome

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Gastric cancer: Beyond Helicobacter pylori infection

Gastric cancer is one of the most incident and deadly in the world. Helicobacter pylori infection plays a key role in the early stages of the process leading to the development of cancer. In this study, the authors show that there is a shift in the profile of the gastric microbiome from patients with chronic gastritis to patients with gastric cancer. The gastric microbiome of cancer patients is dysbiotic, presenting reduced microbial diversity, decreased abundance of H. pylori, and increased abundance of other species of bacteria.