News: Helicobacter pylori

Gut Germs Govern Growth

Friday, March 30th, 2012

Nearly half the world’s population is colonized by the gut bacterium Helicobacter pylori. Not only can this infection cause stomach ulcers and increase one’s risk of gastric cancer, colonization can also significantly slow growth in children. Antibiotic treatment to clear H. pyloriinfection causes growth to rebound in the short term, but it is unclear whether […]

DNA ‘Marks’ Gastric Cancer Risk

Tuesday, January 25th, 2011

Infection with the stomach-dwelling bacterium Helicobacter pylori is a strong risk factor for gastric cancer. But since about half of the world’s population is infected, and less than 1 percent of infected individuals develop cancer, other factors must contribute to gastric cancer risk. Barbara Schneider, Ph.D., and colleagues are examining the role of epigenetic factors […]

New Approach to Stifle Stomach Bug

Friday, September 3rd, 2010

The bacterium Helicobacter pylori infects about half of the world’s population. It induces immune responses, but these responses do not eliminate the bug. H. pylori persists in the human stomach for decades, leading to chronic inflammation, peptic ulcers, lymphoma and stomach cancer. Keith Wilson, M.D., and colleagues are exploring the failure of the immune response […]