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Aim: to study the immunological characteristics of patients with H. pylori-unassociated chronic gastritis with its comorbidity with allergic rhinitis.Materials and methods. The study included patients aged 18 to 40 years: 47 healthy individuals (comparison group) and 140 people, of which 66 people had chronic gastritis, 43 people had seasonal allergic rhinitis in remission, 31 people had a combination of both. Conducted a clinical examination, determination of serum concentrations of IL-4, IL-5, IL-6, IL-8, IL-10, IL-18, MCP-1, total IgE, detection of IgG to the nuclear antigen of the Epstein-Barr virus.Results: During the study, we showed that H. pylori-non-associated chronic gastritis is characterized by a decrease in the level of monocyte-macrophage cytokines (IL-6 and IL-18, but not IL-8), but an increase in the production of Th2-dependent cytokines (IL-5 and IL-4), as well as total Ig E. In addition, H. pylori-non-associated chronic gastritis in patients without allergic rhinitis is associated with an increased frequency of detection of IgG to the nuclear antigen of the Epstein-Barr virus in blood serum (80.0% vs 48–55% of cases in other groups, pConclusion. Thus, H. pylori-non-associated chronic gastritis is a multidisciplinary problem, which, from an immunopathogenetic point of view, is characterized by a Th2-phenotype of the immune response in such patients, including in the absence of allergic pathology, which determines the need for a wider involvement of data in the examination. patients of specialists of other profiles (allergists, infectious disease specialists, etc.). |
