Helicobacter pylori is a major cause of gastrointestinal disorders such as chronic gastritis,
peptic ulcers, mucosa-associated lymphoid tissue (MALT) lymphoma, and gastric cancer. It …

Prevalence of H. pylori infection was determined using cultures of gastric biopsy samples of
patients attended at the academic hospital of the Federal University of Paraná, Curitiba …

Geographical differences in the prevalence of Helicobacter pylori genes and their
association with disease severity have been identified. This study analyzes the prevalences …

Helicobacter pylori causes chronic gastric inflammation and significantly increases the risk
of duodenal and gastric ulcer disease and distal gastric carcinoma. In this study, we …

Helicobacter pylori is a bacterium associated with upper gastrointestinal diseases in
humans. However, only a small proportion of infected people become sick. Although several …

This PCR-based analysis is the first molecular epidemiological study in Brazil testing
Helicobacter pylori cagA and vacA distribution in adults with gastric complaints, that includes …

Background-The mechanisms whereby Helicobacter pylori produces different pathological
manifestations in the stomach and duodenum are not fully understood. Considering the …

Gastric diseases such as chronic gastritis and gastric cancer are most commonly caused by
virulence factors of Helicobacter pylori (H. pylori), such as the vacA, cagA, dupA and oipA …

ABSTRACT BACKGROUND: Helicobacter pylori colonizes approximately half of the world's
human population. Its presence in the gastric mucosa is associated with an increased risk of …

Helicobacter pylori is an important human pathogen that causes chronic gastritis and is
associated with development of peptic ulcer disease and gastric malignancies. The …