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BACKGROUND Helicobacter pylori CagA protein is considered to be one of the virulence factors associated with gastric cancer. CagA is injected into gastric epithelial cells, undergoes tyrosine phosphorylation, and binds to Src homology 2 domain-containing protein-tyrosine phosphatase (SHP-2). Two major subtypes of CagA have been observed in the SHP-2-binding(More)
BACKGROUND Interleukin-1beta (IL-1beta) gene polymorphisms are related to hypochlorhydria and increase the risk of gastric cancer in the presence of Helicobacter pylori infection. However, little information is available about the genetic risk factors of reflux esophagitis. In this study we investigated its association with the IL-1beta polymorphisms. (More)
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