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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">uzspbgmu</journal-id><journal-title-group><journal-title xml:lang="ru">Учёные записки Первого Санкт-Петербургского государственного медицинского университета имени академика И. П. Павлова</journal-title><trans-title-group xml:lang="en"><trans-title>The Scientific Notes of the Pavlov University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-4181</issn><issn pub-type="epub">2541-8807</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1607-4181-2024-31-1-37-46</article-id><article-id custom-type="elpub" pub-id-type="custom">uzspbgmu-1017</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 РАБОТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Прогностическая ценность ASCA и ANCA при воспалительных заболеваниях кишечника</article-title><trans-title-group xml:lang="en"><trans-title>Predictive value of ASCA and ANCA in inflammatory bowel diseases</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5318-354X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Дарья Александровна, кандидат медицинских наук, врач клинической лабораторной диагностики лаборатории диагностики аутоиммунных заболеваний НМЦ молекулярной медицины Минздрава России</p><p>197022, Санкт- Петербург, ул. Льва Толстого, д. 6-8</p></bio><bio xml:lang="en"><p>Kuznetsova Daria A., Cand. of Sci. (Med.), Physician (Сlinical Laboratory Diagnostics) of the Laboratory for the Diagnostics of Autoimmune Diseases of the Scientific and Methodological Center of the Ministry of Health of the Russian Federation for Molecular Medicine</p><p>6-8, L’va Tolstogo str., Saint Petersburg, 197022</p></bio><email xlink:type="simple">lariwar@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/0000-0002-4998-3699</contrib-id><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>Лапин Сергей Владимирович, кандидат медицинских наук, зав. лабораторией диагностики аутоиммунных заболеваний НМЦ молекулярной медицины Минздрава России</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Lapin Sergey V., Cand. of Sci. (Med.), Head of the Laboratory for the Diagnostics of Autoimmune Diseases of the Scientific and Methodological Center of the Ministry of Health of the Russian Federation for Molecular Medicine</p><p>Saint Petersburg</p></bio><email xlink:type="simple">svlapin@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/0000-0001-8402-0743</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щукина</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchukina</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щукина Оксана Борисовна, доктор медицинских наук, доцент кафедры общей врачебной практики (семейной медицины), руководитель Городского центра диагностики и лечения воспалительных заболеваний кишечника</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Shchukina Oksana B., Dr. of Sci. (Med.), Associate Professor, Chair of Family Medicine, Head of the Municipal Center for Diagnostics and Treatment of Inflammatory Bowel Disease</p><p>Saint Petersburg</p></bio><email xlink:type="simple">burmao@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6302-7767</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Губонина</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gubonina</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Губонина Ирина Владимировна, кандидат медицинских наук, доцент, доцент 2-й кафедры терапии (усовершенствования врачей)</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Gubonina Irina V., Cand. of Sci. (Med.), Associate Professor, Associate Professor of the 2nd Department of Therapy (Postgraduate Training)</p><p>Saint Petersburg</p></bio><email xlink:type="simple">giv70@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8432-9182</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каманин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamanin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каманин Алексей Александрович, кандидат медицинских наук, ассистент кафедры общей хирургии с клиникой, врач хирургического отделения № 3 НИИ хирургии и неотложной медицины</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Kamanin Alexey A., Cand. of Sci. (Med.), Assistant of the Department of General Surgery with Clinic, Physician (Surgery) of the Surgical Department № 3 of the Research Institute of Surgery and Emergency Medicine</p><p>Saint Petersburg</p></bio><email xlink:type="simple">alexkamanin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Первый Санкт-Петербургский государственный медицинский университет имени академика И. П. Павлова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Военно-медицинская академия им. С.М. Кирова» Министерства обороны Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Military Medical Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>02</month><year>2024</year></pub-date><volume>31</volume><issue>1</issue><fpage>37</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова Д.А., Лапин С.В., Щукина О.Б., Губонина И.В., Каманин А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кузнецова Д.А., Лапин С.В., Щукина О.Б., Губонина И.В., Каманин А.А.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova D.A., Lapin S.V., Shchukina O.B., Gubonina I.V., Kamanin A.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://www.sci-notes.ru/jour/article/view/1017">https://www.sci-notes.ru/jour/article/view/1017</self-uri><abstract><sec><title>Введение</title><p>Введение. Серологическая диагностика воспалительных заболеваний кишечника (ВЗК) представляет собой дополнительный инструмент не только при проведении дифференциальной диагностики, но и индивидуальном прогнозировании клинического течения и долгосрочных исходов болезни Крона (БК) и язвенного колита (ЯК).</p></sec><sec><title>Цель</title><p>Цель. Оценить встречаемость и возможности определения антител к Saccharomyces cerevisiae (ASCA) и антинейтрофильных цитоплазматических антител (ANCA) в прогнозировании клинических исходов ВЗК.</p></sec><sec><title>Методы и материалы</title><p>Методы и материалы. В исследование был включен 71 пациент с БК, 26 – ЯК и 21 – неклассифицируемым колитом (НК). Группу сравнения составили 35 пациентов с другими заболеваниями ЖКТ (синдром раздраженного кишечника с диареей (СРК-Д), целиакией, аутоиммунным гастритом (АИГ)), контрольную группу – 24 условно здоровых лиц. Измерение содержания антител к ASCA классов IgA и IgG проводилось методом ИФА (ORGENTEC Diagnostika GmbH, Германия), ANCA класса IgG – методом нРИФ тест-системы Granulocyte Mosaic (EUROIMMUN AG, Германия).</p></sec><sec><title>Результаты</title><p>Результаты. Встречаемость ASCA классов IgА и IgG у пациентов с БК составила 25 % и 38 %, что достоверно выше по сравнению с пациентами с ЯК (0 % и 3,8 %), НК (5 % и 5 %) и АИГ (0 % и 5,3 %) соответственно (p&lt;0,05). Серопозитивность по ANCA IgG у пациентов с ЯК составила 54 %, что значительно выше, чем у пациентов с БК, НК, АИГ – 9,9 %, 9,5 % и 5,3 % соответственно (p&lt;0,05). У пациентов с СРК-Д и контрольной группы ASCA классов IgА и IgG и ANCA IgG обнаружено не было. Сочетание серопозитивности по ASCA классов IgA и/или IgG при отрицательном результате определения ANCA IgG обладает большей диагностической чувствительностью (ДЧ) в дифференциальной диагностике БК с ЯК, чем изолированное определение ASCA IgA (39,5 % vs. 25,3 %) при диагностической специфичности (ДС) – 95,8 % и 96,5 % соответственно. Показано, что ДЧ комбинированного обнаружения ANCA класса IgG при отрицательных результатах ASCA классов IgA и IgG была сопоставима с изолированным определением ANCA IgG – 52,5 % vs. 53,8 %, в то время как ДС повышалась до 94,6 %. Серопозитивность по ASCA служит неблагоприятным прогностическим маркером дебюта БК до 40 лет, стенозирующей и пенетрирующей форм заболевания, а также потребности в хирургическом лечении. Более высокие титры ANCA IgG отмечались у пациентов с тяжелой атакой ЯК (320 [320;640]) по сравнению с легкой атакой (40 [40;80], p&lt;0,05).</p></sec><sec><title>Выводы</title><p>Выводы. ASCA и ANCA являются высокоспецифичными маркерами БК и ЯК, комбинированное определение которых позволяет повысить эффективность серологического обследования не только при проведении дифференциальной диагностики, но и персонифицированном прогнозировании клинического течения ВЗК.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Serological diagnosis of inflammatory bowel diseases (IBD) is an additional tool not only for differential diagnosis, but also for individual prediction of the clinical course and long-term outcomes of Crohn’s disease (CD) and ulcerative colitis (UC).</p><p>The objective was to assess the occurrence and capabilities of determining antibodies to Saccharomyces cerevisiae (ASCA) and antineutrophil cytoplasmic antibodies (ANCA) in predicting the clinical outcomes of IBD.</p></sec><sec><title>Methods and materials</title><p>Methods and materials. The study included 71 patients with CD, 26 with UC, and 21 with and 21 with IBD unclassified (IBDU). The comparison group consisted of 35 patients with other gastrointestinal diseases (irritable bowel syndrome with diarrhea (IBS-D), celiac disease, autoimmune gastritis (AIG)); the control group consisted of 24 apparently healthy individuals. The level of antibodies to ASCA IgA and IgG was measured by the ELISA method (ORGENTEC Diagnostika GmbH, Germany), ANCA IgG was determined by the IIF method of the Granulocyte Mosaic test system (EUROIMMUN AG, Germany).</p></sec><sec><title>Results</title><p>Results. The occurrence of ASCA IgA and IgG in patients with CD was 25 % and 38 %, which is significantly higher compared to patients with UC (0 % and 3.8 %), IBDU (5 % and 5 %), AIG (0 % and 5.3 %) respectively (p&lt;0.05). Seropositivity for ANCA IgG in patients with UC was 54 %, which is significantly higher than in patients with CD, IBDU, AIG – 9.9 %, 9.5 % and 5.3 %, respectively (p&lt;0.05). In patients with IBS-D and the control group, ASCA IgA and IgG and ANCA IgG were not detected. The combination of ASCA IgA and/or IgG seropositivity with a negative ANCA IgG result is more sensitive in differentiating CD from UC than the isolated determination of ASCA IgA (39.5 % vs. 25.3 %) with a specificity of 95.8 % and 96.5 %, respectively. The sensitivity of the combined detection of ANCA IgG with negative ASCA IgA and IgG results was comparable to the isolated detection of ANCA IgG – 52.5 % vs. 53.8 %, while the specificity increased to 94.6 %. ASCA IgA/G seropositivity serves as an unfavorable prognostic marker for the onset of CD before the age of 40, the stenotic and penetrating behavior, as well as the need for surgical treatment of the disease. Higher ANCA IgG titers were observed in patients with severe attack of UC (320 [320;640]) compared to mild attack (40 [40;80], p&lt;0.05).</p></sec><sec><title>Conclusion</title><p>Conclusion. ASCA and ANCA are highly specific markers of CD and UC, the combined determination of which makes it possible to increase the efficiency of serological examination not only in differential diagnosis, but also in personalized prediction of the clinical course of IBD.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Крона</kwd><kwd>язвенный колит</kwd><kwd>аутоантитела</kwd><kwd>ASCA</kwd><kwd>ANCA</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Crohn’s disease</kwd><kwd>ulcerative colitis</kwd><kwd>autoantibodies</kwd><kwd>ASCA</kwd><kwd>ANCA</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">Saeid Seyedian S., Nokhostin F., Dargahi Malamir M. 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