We performed quantitative analysis of FOSL1 gene expression in lesional psoriatic skin. The expression of this gene in lesional psoriatic skin was significantly increased compared to that in unaffected areas. Enhanced FOSL1 expression significantly correlated with high psoriasis area and severity index (PASI). High level of FOSL1 gene expression was proposed to be a marker of pathological process activity in psoriasis.
Immunopathogenesis of chronic viral hepatitides was studied by modern immunological, molecular, genetic methods. We revealed an imbalance in the production of immunoregulatory cytokines by mononuclear leukocytes (primarily of the Th2 type). The risk of progression and chronic course of viral hepatitides in Caucasian population was associated with alleles of promoter regions -330G and -592A in the IL-2 and IL-10 genes, respectively, as well as with the T/T genotype of the polymorphic region C590T in the IL-4 gene. The C/C genotype of the IL-10 gene promoter region C592A was shown to be a factor determining resistance to long-term persistence of hepatitis B and C viruses.
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