Prevalence of Helicobacter pylori infection in Polish shepherds and their families.

Background: Helicobacter pylori infection might, in some instances, be considered as zoonosis.

Aim: The aim of this study was to assess the H. pylori prevalence in Polish shepherds and in their families as compared to controls.

Gastric MALT-lymphoma, gastrin and cyclooxygenases.

Malt-lymphoma, gastrin and COX-2 interaction. Low grade, mucosal associated lymphoid tissue (MALT)-lymphoma is an unique among gastric malignancies where causal involvement of Helicobacter pylori (H. pylori) infection has been proposed based on complete regression of the tumor following the eradication therapy.