期刊
GUT MICROBES
卷 4, 期 6, 页码 482-493出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/gmic.26262
关键词
gastric cancer; gastric adenocarcinoma; diet; salt; iron; CagA; cag pathogenicity island; VacA; BabA
资金
- National Institutes of Health [CA-116087, DK-58587, DK-77955, DK-058404, AI-039657, AI-068009]
- Department of Veterans Affairs
Gastric adenocarcinoma is a leading cause of cancer-related death worldwide, and Helicobacter pylori infection is one of the strongest known risk factors for this malignancy. H. pylori strains exhibit a high level of genetic diversity, and the risk of gastric cancer is higher in persons carrying certain strain types (for example, those that contain a cag pathogenicity island or type s1 vacA alleles) than in persons carrying other strain types. Additional risk factors for gastric cancer include specific human genetic polymorphisms and specific dietary preferences (for example, a high-salt diet or a diet deficient in fruits and vegetables). Finally, iron-deficiency anemia is a risk factor for gastric cancer. Recent studies have provided evidence that several dietary risk factors for gastric cancer directly impact H. pylori virulence. In this review article, we discuss mechanisms by which diet can modulate H. pylori virulence and thereby influence gastric cancer risk.
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