A positive feedback loop between STAT3 and cyclooxygenase‐2 gene may contribute to Helicobacter pylori‐associated human gastric tumorigenesis

Abstract excerpt

Persistent infection with Helicobacter pylori (H. pylori) contributes to gastric diseases including chronic gastritis and gastric cancer. However, the pathogenesis of this carcinogenic bacterium has not been completely elucidated. Here, we report that H. pylori rapidly triggers STAT3 signaling and induces STAT3-dependent COX-2 expression both in vitro and in vivo. STAT3 upregulates COX-2 by binding to and...

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