Helicobacter pylori infection and inflammation
1Dept. of Medicine, St. James's University Hospital, Leeds, U.K.
Helicobacter pylori infection causes acute and chronic gastritis, leading to inflammation in the gastroduodenal mucosa. Immune responses, including cytokines, are involved, but the link to symptoms requires further study.
Area of Science:
- Gastroenterology
- Immunology
- Microbiology
Background:
- Helicobacter pylori infection is strongly associated with chronic active gastritis.
- The organism is implicated in acute and chronic gastritis, and duodenitis.
- The precise relationship between H. pylori-induced inflammation and clinical symptoms remains unclear.
Purpose of the Study:
- To summarize the understanding of H. pylori's role in gastroduodenal inflammation.
- To review the associated immune responses, including mucosal and systemic antibody production.
- To discuss the potential role of cytokines and NSAIDs in H. pylori-induced gastritis.
Main Methods:
- Review of existing literature on H. pylori infection and gastritis.
- Analysis of acute ingestion studies and progression to chronic gastritis.
- Examination of concurrent duodenitis and H. pylori colonization patterns.
Main Results:
- H. pylori infection consistently induces acute and chronic gastritis.
- Mucosal and systemic antibody responses are observed.
- Local cytokine production suggests significant pathophysiologic effects.
Conclusions:
- H. pylori is a primary driver of gastroduodenal inflammation.
- Immune mediators play a key role in modulating mucosal responses.
- Further research is needed to fully understand H. pylori-induced inflammation and its clinical impact.
More Related Videos
10:44One-step Negative Chromatographic Purification of Helicobacter pylori Neutrophil-activating Protein Overexpressed in Escherichia coli in Batch Mode
Published on: June 18, 2016
08:24Profiling Luminal pH in Three-Dimensional Gastrointestinal Organoids Using Microelectrodes
Published on: July 5, 2024
Related Concept Videos
Pathophysiology of Peptic Ulcer Disease: Injurious Factors
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds to M3...
Gastritis-II: Pathophysiology
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
Peptic Ulcer Disease I: Introduction
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
Peptic Ulcer
Gastritis II: Pathophysiology
Peptic Ulcer Disease II: Pathophysiology
