A S Avdeeva, A P Aleksankin, E V Chetina, Yu N Gorbunova, T V Popkova, G A Markova, T A Panafidina, E L Nasonov
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引用次数: 0
Abstract
Objective: to evaluate subpopulations of B lymphocytes and features of interferon (IFN) status in patients with systemic lupus erythematosus (SLE), to clarify the relationship of immunological parameters with clinical manifestations of the disease.
Materials and methods: : A total of 139 patients (123 women (88%) and 16 men (12%)) with a definite diagnosis of SLE were included in the analysis. The disease duration was 3.0 [0.3; 12.0] years, SLEDAI-2K 7 [4; 11] points, SDI 0 [0; 1] points. Immunophenotyping of peripheral blood lymphocytes, including determination of B cells, the general population of memory B cells, non-switched and switched memory B cells, naive, transient B cells, and plasmablasts was carried out using multicolor flow cytometry. IFN status was assessed by the expression of IFN-stimulated genes (MX1, RSAD2, and EPSTI1) using real-time polymerase chain reaction.
Results: . Two immunological "patterns" were identified-the prevailing immunological mechanism of the pathogenesis of the disease (SLE) with predominant activation of type I IFN and with predominant activation of the B-cell component of the immune system. The immunological phenotype with activation of type I IFN was associated with high immunological activity, predominant skin damage, and leukopenia, whereas the phenotype with predominant activation of the B-cell component was associated with damage to the kidneys and nervous system.
Conclusions: . The results of the work suggest a wide variety of immune mechanisms underlying the pathogenesis of SLE. It is possible to identify a number of leading molecular "patterns" of the pathogenesis of the disease, which must be taken into account to select an effective "targeted" drug.
期刊介绍:
Doklady Biochemistry and Biophysics is a journal consisting of English translations of articles published in Russian in biochemistry and biophysics sections of the Russian-language journal Doklady Akademii Nauk. The journal''s goal is to publish the most significant new research in biochemistry and biophysics carried out in Russia today or in collaboration with Russian authors. The journal accepts only articles in the Russian language that are submitted or recommended by acting Russian or foreign members of the Russian Academy of Sciences. The journal does not accept direct submissions in English.