منابع مشابه
H. pylori Virulence Factors: Influence on Immune System and Pathology
Helicobacter pylori is the most widespread chronic bacterial agent in humans and is well recognized for its association with ulcer disease and gastric cancer, with both representing major global health and socioeconomic issues. Given the high level of adaptation and the coevolution of this bacterium with its human host, a thorough and multidirectional view of the specific microbiological charac...
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Introduction: Gastrointestinal (GI) cancers are considered among the most important causes of mortality and morbidity. Helicobacter pylori infection has been proven to be highly associated with the development of a variety of gastric diseases such as chronic gastritis, peptic ulcer disease (PUD), mucosa-associated lymphoid tissue (MALT), and gastric cancer (GC). To date, the exact role of the v...
متن کاملCampylobacter pylori virulence factors in gnotobiotic piglets.
Thirty-three gnotobiotic piglets from four litters were challenged with motile and nonmotile strains of Campylobacter pylori. The most motile strain, 26695, was the most virulent, with a 100% infection rate. The least motile strain, Tx30a, was the least virulent, with an infection rate of only 17%. Strain 60190 was weakly motile and had intermediate virulence, with an infection rate of 40%. Str...
متن کاملVirulence Factors of Helicobacter pylori: A Review
Helicobacter pylori is a spiral-shaped Gram-negative bacterium that colonizes the human stomach and can establish a long-term infection of the gastric mucosa, a condition that affects the relative risk of developing various clinical disorders of the upper gastrointestinal tract, such as chronic gastritis, peptic ulcer disease, mucosa-associated lymphoid tissue (MALT) lymphoma, and gastric adeno...
متن کاملThe relationship between H. pylori virulence genotypes and gastric diseases.
There have been no reports on the relationship between virulence genes and gastric diseases based on the same bacterial colonization density. Our results indicated that Helicobacter pylori virulence genes were more relevant than colonization density as a pathogenic mechanism of gastric diseases, which helps elucidate the pathogenic mechanisms of bacteria and aids in the development of improved ...
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ژورنال
عنوان ژورنال: British Medical Bulletin
سال: 1998
ISSN: 0007-1420,1471-8391
DOI: 10.1093/oxfordjournals.bmb.a011662