Aliment Pharmacol Ther 30, 791–815 Summary Background Helicobacter pylori infection
rates in duodenal ulcer (DU) patients may be lower than previously estimated. Aim To …

AIM To correlate Helicobacter pylori (H. pylori), Epstein-Barr virus (EBV) and human
papillomavirus (HPV) with gastric cancer (GC) cases in Pará State, Brazil. METHODS Tissue …

In the populations of Western countries, particular genotypes of the vacuolating cytotoxin
gene, vacA (vacA s, signal region variants; vacA m, middle region variants) of Helicobacter …

Virulence factors of Helicobacter pylori can predict the development of different
gastroduodenal diseases. There are scarce reports in Cuba about H. pylori isolates …

Aim. The aim of this study was to identify the presence of H. pylori in biopsy specimens from
symptomatic patients by PCR. In addition, the rate of cagA, vacA, iceA1, and iceA2 virulence …

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

AIM: To study the association between Interleukin-1 (IL-1) and tumor necrosis factor (TNF)-α
polymorphisms, infection by Helicobacter pylori (H pylori) and the development of …

Epidemiological studies have reported the relationship between vacuolating cytotoxin A
(vacA) s-/m-region genotypes and duodenal ulcer (DU), but the results remained …

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

AIM: To investigate age, sex, histopathology and Helicobacter pylori (H. pylori) status, as risk
factors for gastroduodenal disease outcome in Brazilian dyspeptic patients. METHODS …