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Polymorphism of the Helicobacter pylori feoB Gene in Korea: a Possible Relation with Iron‐Deficiency Anemia?

Background.  Helicobacter pylori is a causative agent of gastritis, and H. pylori infection is thought to be correlated with iron‐deficiency anemia (IDA) at puberty. The H. pylori feoB gene product, a high‐affinity ferrous iron transporter, plays a central role in iron acquisition and virulence. This study was undertaken to analyze H. pylori feoB status according to clinical data, including antral gastritis with or without IDA.