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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">mrj</journal-id><journal-title-group><journal-title xml:lang="ru">Современная ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Modern Rheumatology Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1996-7012</issn><issn pub-type="epub">2310-158X</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14412/1996-7012-2017-3-44-49</article-id><article-id custom-type="elpub" pub-id-type="custom">mrj-773</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Антитела к различным посттрансляционным модификациям виментина у больных ревматоидным артритом</article-title><trans-title-group xml:lang="en"><trans-title>Antibodies against post-translationally modified vimentin peptides in patients with rheumatoid arthritis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197341, Санкт-Петербург, ул. Аккуратова, 2</p></bio><bio xml:lang="en"><p>2, Akkuratov St., Saint Petersburg 197341</p></bio><email xlink:type="simple">olejnik.polina@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маслянский</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Maslyanskiy</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197341, Санкт-Петербург, ул. Аккуратова, 2</p></bio><bio xml:lang="en"><p>2, Akkuratov St., Saint Petersburg 197341</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лапин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lapin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197022, Санкт-Петербург, ул. Льва Толстого, 6-8</p></bio><bio xml:lang="en"><p>6-8, Lev Tolstoy St., Saint Petersburg 197022</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мазинг</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazing</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>197022, Санкт-Петербург, ул. Льва Толстого, 6-8</p></bio><bio xml:lang="en"><p>6-8, Lev Tolstoy St., Saint Petersburg 197022</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бэнг</surname><given-names>Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Bang</surname><given-names>H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Отдел исследований и разработок</p><p>55129, Mainz, Germany, Carl-Zeiss-Straze, 49</p></bio><bio xml:lang="en"><p>Research and Development Department</p><p>Carl-Zeiss-Straze 49, 55129, Mainz, Germany</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мазуров</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazurov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>191015, Санкт-Петербург, ул. Кирочная, 41</p></bio><bio xml:lang="en"><p>41, Kirochnaya St., Saint Petersburg 191015</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Северо-Западный федеральный медицинский исследовательский центр им. В.А. Алмазова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.A. Almazov North-Western Federal Medical Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Acad. I.P. Pavlov First Saint Petersburg State&#13;
Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>«Орджентек Диагностика»</institution><country>Германия</country></aff><aff xml:lang="en"><institution>Orgentec Diagnostika</institution><country>Germany</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБОУ ВО «Северо- Западный государственный медицинский университет им. И.И. Мечникова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.I. Mechnikov North-Western State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>26</day><month>09</month><year>2017</year></pub-date><volume>11</volume><issue>3</issue><fpage>44</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова П.А., Маслянский А.Л., Лапин С.В., Мазинг А.В., Бэнг Х., Мазуров В.И., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Кузнецова П.А., Маслянский А.Л., Лапин С.В., Мазинг А.В., Бэнг Х., Мазуров В.И.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova P.A., Maslyanskiy A.L., Lapin S.V., Mazing A.V., Bang H., Mazurov V.I.</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://mrj.ima-press.net/mrj/article/view/773">https://mrj.ima-press.net/mrj/article/view/773</self-uri><abstract><p>Ревматоидный артрит (РА) – наиболее распространенное аутоиммунное ревматическое заболевание (АРЗ), ассоциированное с продукцией широкого спектра антител, определение которых имеет важное диагностическое и прогностическое значение. Проблемы диагностики РА связаны с ограниченной чувствительностью применяемых в настоящее время серологических маркеров.</p><p>Цель исследования – оценка диагностической информативности аутоантител к различным посттрансляционным модификациям (ПТМ) виментина у пациентов с РА и другими АРЗ.</p><sec><title>Пациенты и методы</title><p>Пациенты и методы. Оценивали встречаемость аутоантител к различным изоформам виментина у 144 пациентов с РА, 36 больных с другими АРЗ (анкилозирующий спондилоартрит и системная склеродермия), а также у 25 пациентов контрольной группы, не страдавших ревматическими заболеваниями. Определяли антитела к различным ПТМ виментина, полученным методами цитруллинирования, карбамилирования/гомоцитруллинирования и ацетилирования. Аутоантитела к цитруллинированному (аnti-citrullinated vimentin peptide, анти-CitVim), карбамилированному (anti-carbamylated vimentin peptide, анти-CarVim) и ацетилированному (аnti-acetylated vimentin peptide, анти-AcVim) виментину классов IgG и IgA оценивали в сыворотке крови с помощью иммуноферментного анализа.</p></sec><sec><title>Результаты</title><p>Результаты. Как показали результаты исследования, максимальной площадь под характеристической кривой (AUC) оказалась у анти-CitVim IgG и IgA – 0,859 и 0,855 соответственно. Немного меньшая AUC была у анти-CarVim IgG (0,85), анти-AcVim IgG (0,784) и анти-AcVim IgA (0,651). Диагностическая чувствительность и диагностическая специфичность для анти-CitVim IgG составили 66,2 и 96,77%, анти-CitVim IgА – 60,56 и 91,94%, анти-CarVim IgG – 91,55 и 53,23%, анти-AcVim IgG – 63,38 и 93,55% и анти-AcVim IgА – 49,3 и 70,97% соответственно. Позитивность по анти-CitVim, анти-CarVim и анти-AcVim класса IgG, а также анти-CitVim IgA значительно чаще выявлялась у больных РА, чем у пациентов с другими АРЗ и в контрольной группе (p&lt;0,05). Таким образом, выявленные аутоантитела к модифицированным пептидам виментина оказались диагностически полезными серологическими маркерами при РА. Анти-CarVim и анти-AcVim класса IgA могут быть также использованы в диагностике РА у пациентов, серонегативных по ревматоидному фактору и антителам к циклическому цитруллиновому пептиду.</p></sec><sec><title>Выводы</title><p>Выводы. При установленных значениях верхней границы нормы для анти-CitVim IgG – 20 ед/мл, анти-CitVim IgА – 8,95 ед/мл, анти-CarVim IgG – 6,25 ед/мл, анти-AcVim IgG – 17,1 ед/мл, анти-AcVim класса IgА – 9,85 ед/мл аутоантитела к различным изоформам виментина рекомендуются к применению в качестве дополнительных лабораторных тестов для диагностики РА.</p></sec></abstract><trans-abstract xml:lang="en"><p>Rheumatoid arthritis (RA) is the most common autoimmune rheumatic disease (ARD) associated with the production of broad-spectrum antibodies, the detection of which is of important diagnostic and prognostic values. The problems of RA diagnosis are associated with the limited sensitivity of currently used serological markers.</p><sec><title>Objective</title><p>Objective: to evaluate the diagnostic informative value of autoantibodies against different post-translationally modified (PTM) vimentin peptides in patients with RA and other ARDs.</p></sec><sec><title>Patients and methods</title><p>Patients and methods. The frequency of autoantibodies against different isoforms of vimentin was estimated in 144 patients with RA, in 36 patients with other ARDs (ankylosing spondylitis and scleroderma systematica), and in 25 patients of a control group, who had no rheumatic diseases. Antibodies against different PTM vimentin peptides obtained using citrullination, carbamylation/homocitrullination, and acetylation were determined. Anti-citrullinated vimentin (anti-CitVim) peptide, anti-carbamylated vimentin (anti-CarVim) peptide, and anti-acetylated vimentin (anti-AcVim) peptide autoantibodies of IgG and IgA classes were estimated in the serum by enzyme immunoassay.</p></sec><sec><title>Results</title><p>Results. The results of the study showed that IgG and IgA anti-CitVim had the maximum area under the ROC curve (AUC) (0.859 and 0.855, respectively). A slightly smaller AUC was seen in IgG anti-CarVim (0.85), IgG anti-AcVim (0.784), and IgA anti-AcVim (0.651). The diagnostic sensitivity and diagnostic specificity were 66.2 and 96.77% for IgG anti-CitVim, 60.56 and 91.94% for IgA anti-CitVim, 91.55 and 53.23% for IgG anti-CarVim, 63.38 and 93.55% for IgG anti-AcVim, and 49.3 and 70.97%, IgA anti-AcVim, respectively. Positivity for IgG anti-CitVim, IgG anti-CarVim, and IgG anti-AcVim, and anti-IgA CitVim was significantly more frequently detected in patients with RA than in those with other ARDs and in the control group (p&lt;0.05). Thus, the identified autoantibodies against modified vimentin peptides proved to be diagnostically useful serological markers in RA. IgA anti-CarVim and IgA anti-AcVim can also be used in the diagnosis of RA in patients who are seronegative for rheumatoid factor and anti-cyclic citrullinated peptide antibodies.</p></sec><sec><title>Conclusion</title><p>Conclusion. When the upper reference limits are set for IgG anti-CitVim (20 U/ml), IgA anti-CitVim (8.95 U/ml), IgG anti-CarVim (6.25 U/ml), IgG anti-AcVim (17.1 U/ml), and IgA anti-AcVim (9.85 U/ml), antibodies against different isoforms of vimentin are recommended for use as additional laboratory tests to diagnose RA.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>антитела</kwd><kwd>аутоантитела к различным посттрансляционным модификациям виментина</kwd><kwd>ревматоидный артрит</kwd><kwd>модифицированные формы виментина</kwd><kwd>цитруллинированный виментин</kwd><kwd>карбамилированный виментин</kwd><kwd>ацетилированный виментин.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>antibodies</kwd><kwd>autoantibodies against different post-translationally modified vimentin peptides</kwd><kwd>rheumatoid arthritis</kwd><kwd>modified forms of vimentin</kwd><kwd>citrullinated vimentin</kwd><kwd>carbamylated vimentin</kwd><kwd>acetylated vimentin</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">Александрова EH, Новиков AA, Насонов EЛ. 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