Investigation of relationship between gastric carcinogenesis in the young patients and intracellular oxidative stress induced by H. pylori infection

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Although Helicobacter pylori(H. pylori)-i nfected chronic gastritis is described as accumulating reactive oxygen species(thinthe gastric epithelial cells and as relatingto the carcimgenesis, the further relationshiprenaiins to be conpletely elucidated. Inthis study, ve i nvesti gated the expression of RE relating substances in the gastric cancer and noncancerous gastric nuacosa, and conpared the expressi on i n gastritis, to difference young that patients, under 30 years of age, innot-young pat i ents, nmre than between the two groups. coexisting 40 years of H. age. pyrol 1-i of eat ed W found son