Abstract
Living conditions in the Arctic zone are extremely unfavorable for living and contribute to the development of a number of diseases due to suppression of the functions of the immune system. Cytokines are one of the main mediators of the immune system; they are encoded by genes with a high degree of polymorphism. This study examined the distribution of genetic variants in the cytokine genes (rs2243250 IL4, rs1800925 IL13) among the Nenets, Dolgan-Nganasan and Slavs. It was previously established that these mutations are associated with the level of expression of these interleukins and their production, which leads to changes in the impairment of the immune response to the influence of the pathogen. The study showed the predominance of genotypes CT and TT of the rs2243250 IL4 polymorphism, and genotype CC of the rs1800925 IL13 polymorphism in the Nenets and Dolgan-Nganasan populations. The results obtained suggest that the indigenous inhabitants of the Russian Arctic have a genetically determined rapid immune response and protection against the development of allergic diseases compared to the Slavs.
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