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In mouse models, chronic\n                    <jats:italic>H. pylori<\/jats:italic>\n                    infection stimulates Lrig1\n                    <jats:sup>+<\/jats:sup>\n                    progenitor cells in a\n                    <jats:italic>cag<\/jats:italic>\n                    -dependent manner, and these stem cells give rise to differentiated gastric cells. 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