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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">kpccz</journal-id><journal-title-group><journal-title xml:lang="ru">Комплексные проблемы сердечно-сосудистых заболеваний</journal-title><trans-title-group xml:lang="en"><trans-title>Complex Issues of Cardiovascular Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2306-1278</issn><issn pub-type="epub">2587-9537</issn><publisher><publisher-name>Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17802/2306-1278-2023-12-3-173-180</article-id><article-id custom-type="elpub" pub-id-type="custom">kpccz-1141</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>ОНЛАЙН. ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ. Патологическая физиология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ONLINE. ORIGINAL STUDIES. Pathological physiology</subject></subj-group></article-categories><title-group><article-title>N-ГЛИКОЛИЛНЕЙРАМИНОВАЯ КИСЛОТА КАК ВОЗМОЖНЫЙ ТРИГГЕР ИММУННОГО ОТТОРЖЕНИЯ ЭПОКСИОБРАБОТАННЫХ КСЕНОПЕРИКАРДИАЛЬНЫХ БИОПРОТЕЗОВ КЛАПАНОВ СЕРДЦА</article-title><trans-title-group xml:lang="en"><trans-title>N-GLYCOLYLNEURAMINIC ACID AS A POSSIBLE TRIGGER FOR IMMUNE REJECTION OF EPOXY-TREATED XENO-PERICARDIAL HEART VALVE BIOPROSTHESES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6099-0315</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костюнин</surname><given-names>Александр Евгеньевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyunin</surname><given-names>Alexander E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук научный сотрудник лаборатории новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>PhD, researcher at the Laboratory of New Biomaterials, Department of Experimental Medicine, Federal State Budgetary Institution «Research Institute for Complex Issues of Cardiovascular Diseases», Kemerovo, Russian Federation</p></bio><email xlink:type="simple">Rhabdophis_tigrina@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/0000-0003-4890-0393</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глушкова</surname><given-names>Татьяна Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Glushkova</surname><given-names>Tatiana V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук старший научный сотрудник лаборатории новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>PhD, senior researcher at the Laboratory of New Biomaterials, Department of Experimental Medicine, Federal State Budgetary Institution «Research Institute for Complex Issues of Cardiovascular Diseases», Kemerovo, Russian Federation</p></bio><email xlink:type="simple">bio.tvg@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/0000-0002-4405-8904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Резвова</surname><given-names>Мария Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Rezvova</surname><given-names>Maria A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>a junior research assistant at the Laboratory of New Biomaterials, the Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation</p></bio><email xlink:type="simple">rezvovamaria@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/0000-0003-3211-1250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клышников</surname><given-names>Кирилл Юрьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Klyshnikov</surname><given-names>Kirill Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук научный сотрудник лаборатории новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>PhD, a research assistant at the Laboratory of New Biomaterials, the Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation</p></bio><email xlink:type="simple">klyshnikovk@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/0000-0003-2404-2873</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Онищенко</surname><given-names>Павел Сергеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Onishchenko</surname><given-names>Pavel S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>a junior research assistant at the Laboratory of New Biomaterials, the Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation</p></bio><email xlink:type="simple">onis.pavel@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/0000-0001-7477-3979</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овчаренко</surname><given-names>Евгений Андреевич</given-names></name><name name-style="western" xml:lang="en"><surname>Ovcharenko</surname><given-names>Evgeny A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук заведующий лабораторией новых биоматериалов отдела экспериментальной медицины федерального государственного бюджетного научного учреждения «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний», Кемерово, Российская Федерация</p></bio><bio xml:lang="en"><p>PhD, Head of the Laboratory of New Biomaterials, the Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation</p></bio><email xlink:type="simple">ov.eugene@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний»<country>Россия</country></aff><aff xml:lang="en">Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>09</month><year>2023</year></pub-date><volume>12</volume><issue>3</issue><fpage>173</fpage><lpage>180</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костюнин А.Е., Глушкова Т.В., Резвова М.А., Клышников К.Ю., Онищенко П.С., Овчаренко Е.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Костюнин А.Е., Глушкова Т.В., Резвова М.А., Клышников К.Ю., Онищенко П.С., Овчаренко Е.А.</copyright-holder><copyright-holder xml:lang="en">Kostyunin A.E., Glushkova T.V., Rezvova M.A., Klyshnikov K.Y., Onishchenko P.S., Ovcharenko E.A.</copyright-holder><license 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.nii-kpssz.com/jour/article/view/1141">https://www.nii-kpssz.com/jour/article/view/1141</self-uri><abstract><sec><title>Основные положения</title><p>Основные положения</p></sec><sec><title> </title><p> </p></sec><sec><title>Цель</title><p>Цель. Оценить присутствие N-гликолилнейраминовой кислоты (ГНК) в интактном бычьем перикарде, стабилизированном диглицидиловым эфиром этиленгликоля, а также в створках эпоксиобработанных ксеноперикардиальных биопротезов клапанов сердца (БП), эксплантированных по причине дисфункций.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Посредством иммуногистохимического окрашивания антителом к ГНК изучены фрагменты пяти лоскутов интактного эпоксиобработанного бычьего перикарда, применяемого в производстве БП. Аналогичным образом исследованы фрагменты створок восьми эпоксиобработанных БП со сроками функционирования от 1 дня до 68 мес. и иссеченных при репротезировании. В качестве положительного и отрицательного контролей использовали нативный бычий перикард и створки трех аортальных клапанов, удаленных при протезировании у пациентов с аортальным стенозом, соответственно.</p></sec><sec><title>Результаты</title><p>Результаты. Положительное окрашивание ГНК отмечено в интактном эпоксиобработанном ксеноперикарде и створках БП, иссеченных через 1, 2, 20 и 42 дня после имплантации. Ткани БП, функционировавшего 30 мес., характеризовались следовым присутствием ГНК. В створках аортальных клапанов и БП, эксплантированных через 34, 63 и 68 мес., ГНК не выявлена. </p></sec><sec><title>Заключение</title><p>Заключение. Стабилизация ксенобиоматериала диглицидиловым эфиром этиленгликоля не экранирует ГНК. Данный сахарид сохраняется в структуре биоматериала функционирующих эпоксиобработанных БП около 2,5 лет после имплантации. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Highlights</title><p>Highlights</p></sec><sec><title> </title><p> </p></sec><sec><title>Aim</title><p>Aim. To assess the presence of N-glycolylneuraminic acid (Neu5Gc) in an intact bovine pericardial tissue stabilized by ethylene glycol diglycidyl ether and in the leaflets of epoxy-treated bioprosthetic heart valves (BHV) explanted due to dysfunction.</p></sec><sec><title>Methods</title><p>Methods. By means of immunochemistry (using anti-Neu5Gc antibodies), we studied the fragments of 5 samples of intact epoxy-treated bovine pericardium commonly used in cardiac surgery. Similarly, we examined the fragments of the leaflets of 8 epoxy-treated BHVs that lasted for different time periods (1 day to 68 months) and excised during reoperation. The native bovine pericardium and the leaflets of 3 human aortic valves (AV) removed during reoperation in patients with aortic stenosis were used as positive and negative controls, respectively.</p></sec><sec><title>Results</title><p>Results. Positive reaction for Neu5Gc was observed in intact epoxy-treated xenopericardium and BHVs excised 1, 2, 20 and 42 days after implantation. The tissue of BHV that had lasted 30 months was characterized by the faint presence of Neu5Gc. In the leaflets of AV and in BHVs, explanted after 34, 63 and 68 months, Neu5Gc was not detected. </p></sec><sec><title>Conclusion</title><p>Conclusion. Stabilization of xenobiomaterial with ethylene glycol diglycidyl ether does not remove the Neu5Gc. This saccharide remains in the biological tissue of epoxy-treated BHV for about 2.5 years after implantation.  </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Биологические протезы клапанов сердца</kwd><kwd>Структурная дегенерация клапанов</kwd><kwd>Иммунное отторжение</kwd><kwd>N-гликолилнейраминовая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Bioprosthetic heart valve</kwd><kwd>Structural valves degeneration</kwd><kwd>Immune rejection</kwd><kwd>N-glycolylneuraminic acid</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена в рамках комплексной программы фундаментальных научных исследований СО РАН по фундаментальной теме НИИ КПССЗ № 0419-2022-0001 «Молекулярные, клеточные и биомеханические механизмы патогенеза сердечно-сосудистых заболеваний в разработке новых методов лечения заболеваний сердечно-сосудистой системы на основе персонифицированной фармакотерапии, внедрения малоинвазивных медицинских изделий, биоматериалов и тканеинженерных имплантатов».</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>Research Institute for Complex Issues of Cardiovascular Diseases, 650002, 6 Sosnovy Boulevard, Kemerovo, Russian Federation.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Тимченко Т.П. 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