Helicobacter pylori (H. pylori) is a type of bacteria that lives in people's stomachs. To survive the harsh environment these bacteria can neutralize stomach acid. H. pylori is the leading cause of stomach cancer, one of the most common types of cancer which can have a low survival rate. The bacteria cause inflammation by injecting a toxin-like substance into mucosal cells that line the stomach. This destruction and regeneration of these cells can lead to the development of stomach cancer.
In this study Professor Kazuaki Chayama, from Hiroshima University Hospital, and his team found the origins of a strange layer of cells that was present on stomach cancer sites after treatment of H. pylori. This layer, called ELA (epithelium with low-grade atypia), resembled normal mucosal cells that line the stomach and acted like a mask to hide stomach cancer. Up to now, researchers were not sure where this layer came from.
Cancer - Causal - Chayama
"It was very interesting scientifically to find that that cancer reoccurs even after eradicating causal bacteria." says Chayama.
A H. pylori infection is cured after a course of antibiotics that leave reddish depression...
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