Helicobacter pylori Infection and Family History of Gastric Cancer Decrease Expression of FHIT Tumor Suppressor Gene in Gastric Mucosa of Dyspeptic Patients

Background:  The expression of a fragile histidine triad (FHIT) protein is lost in stomach tumors. The study aimed at determining whether FHIT expression is affected by Helicobacter pylori infection, strain virulence (vacA and cagA genes) and histopathological changes in the gastric mucosa of patients with functional dyspepsia having first‐degree relatives with gastric cancer.

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