Pulmonary manifestations and clinical management of echinococcosis in a low-endemic region of Mexico: a 15-year retrospective cohort study at a tertiary hospital.

Background: Cystic echinococcosis has a low incidence even in endemic countries. It is a chronic and complex zoonosis that in many cases presents delay in diagnosis; it typically affects the liver in up to 90% of the cases, being disseminated pulmonary disease the most common in young subjects, while the rate of cases located only in the pulmonary parenchyma is low. In Mexico it is considered a disease of low endemicity.

Differential expression of miRNA-146a and miRNA-155 in gastritis induced by Helicobacter pylori infection in paediatric patients, adults, and an animal model.

Background: Helicobacter pylori is a major aetiologic agent associated with gastritis. H. pylori infections increase the expression of the Toll-like receptor (TLR), which in turn modulates the expression of microRNA (miRNA)-146a and miRNA-155.