Helicobacter pylori infection leaves a fingerprint in gastric cancer

Helicobacter pylori infection leaves a fingerprint in gastric cancer

Several bacterial infections are now suspected to play a role in the development of cancer but for none is the link so conclusively proven as for H. pylori, which can induce chronic gastritis and ulcer disease, and ultimately lead to the development of cancer. After an infection with Helicobacter pylori, gene activity in the gastric cells resembles the activity of cancer cells, scientists report.