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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">vtio</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник трансплантологии и искусственных органов</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Transplantology and Artificial Organs</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-1191</issn><publisher><publisher-name>Academician V.I.Shumakov National Medical Research Center of Transplantology and Artificial Organs", Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15825/1995-1191-2022-1-64-71</article-id><article-id custom-type="elpub" pub-id-type="custom">vtio-1443</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>Регенеративная медицина и клеточные технологии</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Regenerative Medicine and Cell Technologies</subject></subj-group></article-categories><title-group><article-title>Определение оптимального режима децеллюляризации поджелудочной железы с учетом морфологических особенностей панкреатической ткани</article-title><trans-title-group xml:lang="en"><trans-title>Determining the optimal pancreatic decellularization protocol, taking into account tissue morphological features</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>Пономарева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponomareva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пономарева Анна Сергеевна</p><p>123182, Москва, ул. Щукинская, д. 1.</p><p>Тел.: (499) 196-26-61; (926) 585-23-73</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">a.s.ponomareva@gmail.com</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>Баранова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">barnats@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>Кирсанова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirsanova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">lyudochkakirsanova@mail.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>Бубенцова</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Bubentsova</surname><given-names>G. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">a.s.ponomareva@gmail.com</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>Немец</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nemets</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">evgnemets@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>Милосердов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Miloserdov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">igor-miloserdov@mail.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>Севастьянов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Sevastianov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">viksev@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>02</month><year>2022</year></pub-date><volume>24</volume><issue>1</issue><fpage>64</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пономарева А.С., Баранова Н.В., Кирсанова Л.А., Бубенцова Г.Н., Немец Е.А., Милосердов И.А., Севастьянов В.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Пономарева А.С., Баранова Н.В., Кирсанова Л.А., Бубенцова Г.Н., Немец Е.А., Милосердов И.А., Севастьянов В.И.</copyright-holder><copyright-holder xml:lang="en">Ponomareva A.S., Baranova N.V., Kirsanova L.A., Bubentsova G.N., Nemets E.A., Miloserdov I.A., Sevastianov 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://journal.transpl.ru/vtio/article/view/1443">https://journal.transpl.ru/vtio/article/view/1443</self-uri><abstract><sec><title>Введение</title><p>Введение. Разработка тканеинженерной конструкции поджелудочной железы (ТИК ПЖ) включает поиск матриксов/скаффолдов, способных имитировать структуру и состав естественного внеклеточного матрикса (ВКМ), являющегося важным компонентом тканевого микроокружения. Тканеспецифический матрикс, свободный от клеток, полученный в результате децеллюляризации поджелудочной железы (ПЖ), представляется наиболее подходящим для создания ТИК ПЖ. Выбор протокола децеллюляризации панкреатической ткани должен учитывать морфологические характеристики исходной ПЖ. Сохранение в децеллюляризованном панкреатическом матриксе (ДПЖ) особенностей архитектоники и состава нативной ткани, а также присутствие нативных компонентов ВКМ позволяет создать условия для пролонгированной жизнедеятельности функционально активных островковых (инсулинпродуцирующих) клеток при создании ТИК ПЖ.</p></sec><sec><title>Цель работы</title><p>Цель работы: определить оптимальные параметры децеллюляризации ПЖ посмертных доноров с фиброзом, липоматозом и без выраженных признаков фиброза и липоматоза. Материалы и методы. Использовали хвостовую часть ПЖ, полученную в результате мультиорганного забора органов посмертных доноров и не пригодную для трансплантации. Тканеспецифический матрикс получали в результате комбинации физико-химических методов децеллюляризации фрагментов ПЖ. Применяли протокол с циклическим повторением режима замораживания и оттаивания и два протокола с применением осмотического шока. Образцы исходной ткани ПЖ и децеллюляризованных фрагментов подвергали гистологическому анализу.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что для эффективной децеллюляризации ПЖ с выраженным липоматозом подходит физико-химический метод с циклическим повторением режима замораживания и оттаивания; для ПЖ с диффузным фиброзом и для ПЖ без выраженных признаков фиброза и липоматоза – физикохимический метод с применением осмотического шока, но различные варианты протокола.</p></sec><sec><title>Заключение</title><p>Заключение. Для осуществления полной децеллюляризации фрагментов ПЖ человека протокол способа обработки необходимо коррелировать с гистологическими особенностями исходной ткани.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title> </title><p> </p></sec><sec><title>Introduction</title><p>Introduction. Developing a tissue-engineered pancreatic construct (TEPC) involves a search for matrices/scaffolds capable of mimicking the structure and composition of the natural extracellular matrix (ECM), which is an important component of the tissue microenvironment. A cell-free, tissue-specific matrix obtained from pancreas decellularization seems to be the most suitable for creation of a TEPC. The choice of pancreatic tissue decellularization protocol should take into account the morphological characteristics of the original pancreas. Preservation of the architectonics and composition of the native tissue in the decellularized pancreas matrix (DPM), and the presence of native ECM components allow for creation of conditions for prolonged vital activity of functionally active islet (insulin-producing) cells when creating TEPC.</p></sec><sec><title>Objective</title><p>Objective: to determine the optimal parameters for decellularization of deceased donor pancreas with fibrosis, lipomatosis, and without pronounced signs of fibrosis and lipomatosis.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. We used the caudal part of the pancreas obtained after multiorgan procurement from deceased donors, which was unsuitable for transplantation. Tissue-specific matrix was obtained by a combination of physical and chemical methods of pancreatic decellularization. A freeze-thaw cycle protocol and two protocols using osmotic shock were used. Samples of initial pancreatic tissue and decellularized fragments were subjected to histological analysis.</p></sec><sec><title>Results</title><p>Results. It was shown that a physico-chemical method with freeze-thaw cycles is suitable for effective pancreatic decellularization in severe lipomatosis; a physico-chemical method using osmotic shock, but different protocol variants, is suitable for pancreas with diffuse fibrosis and for pancreas without pronounced signs of fibrosis and lipomatosis.</p></sec><sec><title>Conclusion</title><p>Conclusion. For complete human pancreatic decellularization, the protocol should be correlated with histological features of the original tissue.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>поджелудочная железа</kwd><kwd>липоматоз</kwd><kwd>фиброз</kwd><kwd>децеллюляризация</kwd><kwd>тканеспецифический матрикс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pancreas</kwd><kwd>lipomatosis</kwd><kwd>fibrosis</kwd><kwd>decellularization</kwd><kwd>tissue-specific scaffold</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">Mendibil U, Ruiz-Hernandez R, Retegi-Carrion S, Garcia-Urquia N, Olalde-Graells B, Abarrategi A. TissueSpecific Decellularization Methods: Rationale and Strategies to Achieve Regenerative Compounds. 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