Seasonal allergic rhinitis shows a constant upward trend not only among the adults but also in the children's population. A significant percentage of patients have a moderate and severe course of the disease, which leads to a significant deterioration in their quality of life. Since the pathogenesis of allergic rhinitis is represented by a complex cascade of immunological reactions involving a number of cytokines that play a role in the development of allergic inflammation of the upper respiratory tract, the priority direction of our work was an in-depth study of the pathogenetic mechanisms of this disease. The purpose was to investigate the levels of interleukin-33 (IL-33) and its suppression of tumorigenicity 2 (ST2) receptor in the blood serum of children with hay fever, depending on the age and severity of the disease, followed by the determination of correlations of these indicators with various clinical and immunological parameters of seasonal allergic rhinitis. Forty-two patients aged 6 - 17 years with seasonal allergic rhinitis and 26 healthy children (controls) took part in the study. Severity of nasal and extra-nasal symptoms of allergic rhinitis was determined using a visual analog scale. Skin prick testing was performed according to generally accepted standards during remission using a standard pollen panel. Quantitative measurement of serum indicators of interleukin-33 and ST2 was carried out by the method of solid-phase enzyme immunoassay. A mandatory condition for conducting the study was the presence of written informed consent from the parents. The obtained results of the immunological study made it possible to emphasize the diagnostic significance of IL-33 and its receptor ST2 as potential biomarkers in the development of allergic inflammation in pediatric patients with seasonal manifestations of rhinitis.

 Наукова періодика України 

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