News tagged with helicobacter pylori
Study offers comprehensive look at chemical, genetic changes that occur as inflammation progresses to cancer
One of the biggest risk factors for liver, colon or stomach cancer is chronic inflammation of those organs, often caused by viral or bacterial infections. A new study from MIT offers the most comprehensive look yet at how ...
Inflammatory disorders Jun 11, 2012 | 5 / 5 (1) | 0 |
Without the ability to swim to their targets in the stomach, ulcer-causing bacteria do not cause the inflammation of the stomach lining that leads to ulcers and stomach cancer, according to a new study by researchers at the ...
Medical research Nov 21, 2011 | 5 / 5 (2) | 0 |
The virus that causes cold sores, along with other viral or bacterial infections, may be associated with cognitive problems, according to a new study published in the March 26, 2013, print issue of Neurology.
Neuroscience Mar 25, 2013 | 3.7 / 5 (3) | 0 |
Mice with different naturally occurring stomach bacteria have distinct susceptibilities to disease caused by Helicobacter pylori, the well-known cause of ulcers in humans, according to a study published online ahead of pri ...
Immunology Mar 25, 2013 | 5 / 5 (1) | 0 |
Half of the world's human population is infected with the stomach bacteria called Helicobacter pylori, yet it causes disease in only about 10 percent of those infected. Other bacteria living in the stomach may be a key fa ...
Immunology Mar 12, 2013 | 5 / 5 (4) | 0 |
A new study by NYU School of Medicine researchers reveals that an especially virulent strain of the gut bacterium Helicobacter pylori (H. pylori) isn't implicated in the overall death rate of the U.S. population, and may even ...
Diseases, Conditions, Syndromes Jan 09, 2013 | 5 / 5 (2) | 0 |
(Medical Xpress)—Scientists at Karolinska Institutet in Sweden have presented a new principle for fighting bacterial infections, in other words, a new type of antibiotic, in the FASEB Journal. The new antibiotic mechan ...
Medical research Dec 18, 2012 | 5 / 5 (6) | 0 |
(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 ...
Medical research Dec 27, 2011 | 4.6 / 5 (5) | 0 |
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 st ...
Other Oct 25, 2011 | 4.4 / 5 (21) | 2
If you were the size of a bacterium, the lining of a stomach would seem like a rugged, hilly landscape filled with acid-spewing geysers, said Manuel Amieva, MD, PhD, assistant professor of pediatrics and of ...
Cancer Aug 08, 2011 | 5 / 5 (3) | 1 |
Helicobacter pylori, the bacterium known to cause peptic ulcers, is also the primary cause of gastric cancer, which is a leading cancer killer globally.
Medications Jul 20, 2011 | not rated yet | 0 |
Infection with the gastric bacterium Helicobacter pylori provides reliable protection against allergy-induced asthma, immunologists from the University of Zurich have demonstrated in an animal model together with allergy specia ...
Medical research Jul 01, 2011 | not rated yet | 3 |
The stomach bacteria responsible for ulcers could also play a role in the development of Parkinson's disease according to research presented today at the 111th General Meeting of the American Society for Microbiology.
Diseases, Conditions, Syndromes May 22, 2011 | 4.7 / 5 (3) | 0 |
DNA from Helicobacter pylori, a common stomach bacteria, minimizes the effects of colitis in mice, according to a new study by University of Michigan Medical School scientists.
Diseases, Conditions, Syndromes May 05, 2011 | not rated yet | 0 |
A potential vaccine against bacteria that cause serious gastric disorders including stomach cancer may be a step closer following a pioneering study by a University of Guelph chemist.
Medical research Apr 19, 2011 | not rated yet | 0
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.
For more information about Helicobacter pylori, read the full article at
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