In an experiment on rats, European researchers have proved that eating strawberries reduces the harm that alcohol can cause to the stomach mucous membrane. Published in the open access journal Plos One, the study may contribute ...
Oct 25, 2011
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Most people don't think about their blood type unless they need surgery or are planning to donate blood. But we can learn more from our blood types than simply whether or not we can safely accept a transfusion from a donor. ...
Jan 25, 2023
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The bacterium Helicobacter pylori is strongly associated with gastric ulcers and cancer. To combat the infection, researchers at University of California, San Diego School of Medicine and Jacobs School of Engineering developed ...
Nov 25, 2014
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One of the many wonders—and mysteries—of human biology is the complex response of the innate immune system, which is known for its swiftness in annihilating invading pathogens and capacity to mount an explosive inflammatory ...
Over 66% of Bhutan's population may be harbouring Helicobacter pylori bacteria, which is responsible for ulcers of the gastro-intestinal tract that, left untreated, may lead to cancer, a new study suggests.
Jun 11, 2020
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Gastric carcinoma is one of the most common causes of cancer-related deaths, primarily because most patients present at an advanced stage of the disease. The main cause of this cancer is the bacterium Helicobacter pylori, ...
Aug 17, 2017
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(Medical Xpress) -- The debate over the bacteria Helicobacter pylori continues as a new study published in Clinical Infectious Diseases shows that people carrying H. pylori have a reduced risk of diarrhea from other bacterial ...
Esophageal cancer is the seventh most common cancer world-wide and a lethal malignancy causing a considerably high number of deaths. There is currently no promising method for prevention, early detection, or screening of ...
Aug 30, 2022
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Researchers report that a common bacterium infecting the human stomach has significant links with worsened symptoms of Parkinson's disease.
Jun 6, 2016
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A large case-control study by international researchers at the RIKEN Center for Integrative Medical Sciences (IMS) in Japan has found that people who carry certain genetic risk factors for gastric (stomach) cancer have a ...
Mar 29, 2023
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Helicobacter pylori (pronounced /ˌhɛlɪkɵˈbæktər pɪˈlɔəraɪ/) is a Gram-negative, microaerophilic bacterium that inhabits various areas of the stomach and duodenum. It causes a chronic low-level inflammation of the stomach lining and is strongly linked to the development of duodenal and gastric ulcers and stomach cancer. Over 80% of individuals infected with the bacterium are asymptomatic.
The bacterium was initially named Campylobacter pyloridis, then renamed C. pylori to correct a Latin grammar error. When 16S rRNA gene sequencing and other research showed in 1989 that the bacterium did not belong in the genus Campylobacter, it was placed in its own genus, Helicobacter. The genus derived from the Ancient Greek hělix/έλιξ "spiral" or "coil". The specific epithet pylōri means "of the pylorus" or pyloric valve (the circular opening leading from the stomach into the duodenum), from the Ancient Greek word πυλωρός, which means gatekeeper.
More than 50% of the world's population harbour H. pylori in their upper gastrointestinal tract. Infection is more prevalent in developing countries, although incidence is decreasing in western countries. The route of transmission is unknown, although individuals become infected in childhood. H. pylori's helix shape (from which the generic name is derived) is thought to have evolved to penetrate the mucoid lining of the stomach.
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