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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2025-22-3-232-238</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-1044</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Патогенетические и клинические аспекты антителообразования к глутатионпероксидазе при системной красной волчанке</article-title><trans-title-group xml:lang="en"><trans-title>Pathogenetic and clinical aspects of antibody formation to glutathione peroxidase in systemic lupus erythematosus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3951-8985</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Емельянова</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Emelyanova</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Емельянова Ольга Ивановна – канд. мед. наук, вед.науч. сотрудник</p><p>ул. Землячки, 76, 400138, г. Волгоград, Российская Федерация</p></bio><bio xml:lang="en"><p>Olga I. Emelyanova – Ph. D. (Med.), Leading Researcher</p><p>76, Zemlyachki Str., 400138, Volgograd, Russian Federation</p></bio><email xlink:type="simple">emelyanova.vlg@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1627-8483</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трофименко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Trofimenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трофименко Андрей Степанович – канд. мед. наук,заведующий лабораторией</p><p>ул. Землячки, 76, 400138, г. Волгоград, Российская Федерация</p></bio><bio xml:lang="en"><p>Andrey S. Trofimenko – Ph. D. (Med.), Head of the Laboratory</p><p>76, Zemlyachki Str., 400138, Volgograd, Russian Federation</p></bio><email xlink:type="simple">a.s.trofimenko@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7080-2442</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Русанова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rusanova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Русанова Ольга Александровна – канд. мед. наук,мл. науч. сотрудник</p><p>ул. Землячки, 76, 400138, г. Волгоград, Российская Федерация</p></bio><bio xml:lang="en"><p>Olga A. Rusanova – Ph. D. (Med.), Junior Researcher</p><p>76, Zemlyachki Str., 400138, Volgograd, Russian Federation</p></bio><email xlink:type="simple">olga-rusanova28@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт клинической и экспериментальной ревматологии имени А. Б. Зборовского</institution></aff><aff xml:lang="en"><institution>Research Institute of Clinical and Experimental Rheumatology named after A. B. Zborovsky</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>31</day><month>08</month><year>2025</year></pub-date><volume>22</volume><issue>3</issue><fpage>232</fpage><lpage>238</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Емельянова О.И., Трофименко А.С., Русанова О.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Емельянова О.И., Трофименко А.С., Русанова О.А.</copyright-holder><copyright-holder xml:lang="en">Emelyanova O.I., Trofimenko A.S., Rusanova O.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestimed.belnauka.by/jour/article/view/1044">https://vestimed.belnauka.by/jour/article/view/1044</self-uri><abstract><p>Цель работы – изучение клинической и патогенетической роли антител (АТ) к глутатионпероксидазе (ГП) у больных системной красной волчанкой (СКВ) с использованием технологии иммобилизации антигена на полиакриламидных гранулах с магнитными свойствами. В исследование было включено 65 пациентов с верифицированной СКВ в возрасте от 18 до 67 лет, находившихся на стационарном лечении. Верификацию диагноза осуществляли согласно критериям EULAR/ACR 2019 г., активность заболевания оценивали по шкале ECLAM. Контрольную группу составили 30 практически здоровых лиц. АТ к ГП в сыворотке крови пациентов определяли методом непрямого ИФА с использованием полиакриламидных гранул с магнитными свойствами, синтезированных по оригинальной технологии, активность фермента в плазме крови ‒ методом Флоэ–Гюнцлера. В группе больных СКВ отмечалось уменьшение активности фермента по сравнению с таковой в контрольной группе, а уровень АТ к ГП был статистически значимо выше, чем у доноров. Наблюдалась тенденция к увеличению содержания аутоантител по мере возрастания активности патологического процесса. АТ к ГП чаще выявлялись у пациентов с активной СКВ (ECLAM &gt; 2). У больных СКВ, у которых были выявлены сывороточные АТ, активность фермента была статистически значимо ниже, чем у пациентов без АТ. Наибольший исходный уровень АТ отмечался также при поражении сердца, нервной системы и суставов, наименьший – при поражении почек. Максимально выраженной была динамика концентрации АТ при лечении пациентов с поражением сердца, статистически значимыми также были различия при нейролюпусе, поражении суставов и кожи. Таким образом, при СКВ наблюдалась отчетливая тенденция к снижению плазменной активности ГП и повышению средней концентрации циркулирующих АТ к ГП с ростом активности заболевания. Лечение СКВ сопровождалось тенденцией к нормализации ферментативной активности и уменьшению концентрации специфических АТ. Показатели уровня активности ГП плазмы крови и содержания сывороточных АТ к ГП являются перспективными биомаркерами для оценки активности СКВ.</p></abstract><trans-abstract xml:lang="en"><p>This study aims to explore the clinical and pathogenetic role of antibodies (AT) to glutathione peroxidase (GP) in patients with systemic lupus erythematosus (SLE) using antigen immobilization technology on polyacrylamide granules with magnetic properties.The study involved 65 patients with diagnosed SLE, aged 18 to 67, years who were receiving inpatient treatment. The diagnosis was verified according to the EULAR/ACR 2019 criteria, and disease activity was assessed using the ECLAM scale. The control group consisted of 30 practically healthy individuals. The presence of antibodies to glutathione peroxidase was determined in the blood serum of patients by means of the indirect ELISA method, using polyacrylamide granules with magnetic properties synthesized by the original technology. The enzyme activity in blood plasma was measured by the Flohe–Günzler method. In the group of patients diagnosed with SLE, a decrease in enzyme activity was observed in comparison to the control group. The level of antibodies to glutathione peroxidase in patients with SLE was found to be statistically significantly higher than the level of the same indicator in donors. There was a tendency for the content of autoantibodies to increase with the activity of the pathological process. AT to GP were more frequently detected in patients with active SLE (ECLAM &gt; 2). Among patients with SLE who demonstrated the presence of serum antibodies, enzyme activity was statistically significantly lower when compared to patients without antibodies. The highest initial antibody levels were also observed in cases involving of heart, nervous system, and joint damage, whereas the lowest levels were observed in cases of kidney damage. The dynamics of antibody concentrations were most pronounced in patients with heart damage, and statistically significant differences were also observed in cases of neurolupus, joint damage, and skin damage. In SLE, there is a clear tendency for plasma GP activity to decrease and the average concentration of circulating antibodiesto GP to increase with increasing disease activity. Treatment of SLE is accompanied by a tendency to normalize enzymatic activity and decrease the concentration of specific antibodies. Determination of plasma GP activity and serum antibodies to GP are promising biomarkers for assessing SLE activity</p></trans-abstract><kwd-group xml:lang="ru"><kwd>системная красная волчанка</kwd><kwd>глутатионпероксидаза</kwd><kwd>антитела</kwd><kwd>магнитосорбенты</kwd></kwd-group><kwd-group xml:lang="en"><kwd>systemic lupus erythematosus</kwd><kwd>glutathione peroxidase</kwd><kwd>antibodies</kwd><kwd>magnetic carriers</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Современный подход в диагностике и лечении системной красной волчанки / Т. А. Панафидина, Т. В. Попкова, Е. А. Асеева, А. М. Лила // Доктор.Ру. – 2021. – Т. 20, № 7. – С. 40–50.</mixed-citation><mixed-citation xml:lang="en">Panafidina T. A., Popkova T. V., Aseeva E. A., Lila A. M. Modern approach to the diagnosis and treatment of systemic lupus erythematosus. 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