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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Biotherapy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Biotherapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский биотерапевтический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9784</issn><issn publication-format="electronic">1726-9792</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1350</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2022-21-3-72-81</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Efficiency of accelerated electron beam sterilization of a hydrogel for 3D cultivation of mesenchymal multipotent cells</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность стерилизации пучком ускоренных электронов гидрогеля для 3D-культивирования мезенхимальных мультипотентных клеток</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8453-5739</contrib-id><name-alternatives><name xml:lang="en"><surname>Bystrov</surname><given-names>P. A.</given-names></name><name xml:lang="ru"><surname>Быстров</surname><given-names>П. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 4, 31 Leninsky Ave., Moscow 119071</p></bio><bio xml:lang="ru"><p>119071 Москва, Ленинский пр-т, 31, корп. 4</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0773-255X</contrib-id><name-alternatives><name xml:lang="en"><surname>Novruzov</surname><given-names>K. M.</given-names></name><name xml:lang="ru"><surname>Новрузов</surname><given-names>К. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Keryam Mursali ogly Novruzov</p><p>24 Kashirskoe Shosse, Moscow 115522</p></bio><bio xml:lang="ru"><p>Керям Мурсали оглы Новрузов</p><p> 115522 Москва, Каширское шоссе, 24</p></bio><email>nkeryam@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7705-9383</contrib-id><name-alternatives><name xml:lang="en"><surname>Potapnev</surname><given-names>M. P.</given-names></name><name xml:lang="ru"><surname>Потапнев</surname><given-names>М. П.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><bio xml:lang="en"><p>160 Dawhinawskiy Trakt, Minsk 220053</p></bio><bio xml:lang="ru"><p>220053 Минск, Долгиновский тракт, 160</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kosmacheva</surname><given-names>S. M.</given-names></name><name xml:lang="ru"><surname>Космачева</surname><given-names>С. М.</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><bio xml:lang="en"><p>160 Dawhinawskiy Trakt, Minsk 220053</p></bio><bio xml:lang="ru"><p>220053 Минск, Долгиновский тракт, 160</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4370-6578</contrib-id><name-alternatives><name xml:lang="en"><surname>Anisimova</surname><given-names>N. Yu.</given-names></name><name xml:lang="ru"><surname>Анисимова</surname><given-names>Н. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115522</p><p>4 Leninsky Ave., Moscow 119049</p><p> </p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p><p>119049 Москва, Ленинский пр-т, 4</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0132-167X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kiselevskiy</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Киселевский</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115522</p><p>4 Leninsky Ave., Moscow 119049</p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p><p>119049 Москва, Ленинский пр-т, 4</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Myshelova</surname><given-names>P. S.</given-names></name><name xml:lang="ru"><surname>Мышелова</surname><given-names>П. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Leninsky Ave., Moscow 119049</p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bulygina</surname><given-names>I. N.</given-names></name><name xml:lang="ru"><surname>Булыгина</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Leninsky Ave., Moscow 119049</p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3907-5344</contrib-id><name-alternatives><name xml:lang="en"><surname>Senatov</surname><given-names>F. S.</given-names></name><name xml:lang="ru"><surname>Сенатов</surname><given-names>Ф. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Leninsky Ave., Moscow 119049</p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН Институт физической химии и электрохимии им. А.Н. Фрумкина РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Republican Scientific and Practical Center for Transfusiology and Medical Biotechnologies</institution></aff><aff><institution xml:lang="ru">ГУ «Республиканский научно-практический центр трансфузиологии и медицинских биотехнологий»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">National University of Science and Technology “MISIS”</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Национальный исследовательский технологический университет «МИСиС»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-10-31" publication-format="electronic"><day>31</day><month>10</month><year>2022</year></pub-date><volume>21</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>72</fpage><lpage>81</lpage><history><date date-type="received" iso-8601-date="2022-10-31"><day>31</day><month>10</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-10-31"><day>31</day><month>10</month><year>2022</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://bioterapevt.abvpress.ru/jour/article/view/1350">https://bioterapevt.abvpress.ru/jour/article/view/1350</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Hydrogels are promising for use in tissue engineering for the restoration and regeneration of various tissues, since they are able to perform the functions of bulk scaffolds, providing the formation of 3D cell structures. Population of such scaffolds with autologous or heterogeneous mesenchymal multipotent stromal cells in vitro makes it possible to localize these cells in the area of target tissues after implantation in a patient. One of the difficult tasks is the choice of the method and mode of sterilization of the hydrogel, which does not change its properties.<bold>Aim. </bold>Study of the effectiveness of hydrogel sterilization by an accelerated electron beam in various modes, changes in the structure and biocompatibility of the scaffold, to assess the prospects for its use for medical purposes, including as a platform for mesenchymal stromal cells.<bold>Materials and methods.</bold> We used a hydrogel based on 4 % solutions of sodium alginate and sodium salt of carboxymethyl cellulose, cross-linked with calcium chloride, which was developed, obtained and provided for our research by the team of the Research and Educational Center for Biomedical Engineering of the National University of Science and Technology “MISIS”. Hydrogel samples loaded with Escherichia coli, Lactobacillus acidophilus, Saccharomyces cerevisiae were subjected to electron beam treatment in the range of 5–100 kGy. After electron beam treatment of hydrogel, the presence of living microorganisms and its structure were evaluated by IR-Fourier spectroscopy, as well as the phenotype and formation of 3D structures by mesenchymal multipotent cells.<bold>Results.</bold> It was found that the treatment of hydrogels with an electron beam at a mode of 25 kGy ensures the death of microorganisms, but does not destroy the structure of the hydrogel and does not inhibit the ability to form capillary-like structures by mesenchymal multipotent cells.<bold>Conclusion. </bold>Treatment with an accelerated electron beam at a 25 kGy can be used to sterilize hydrogels to obtain bulk scaffolds for cell engineering implants.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Гидрогели перспективны для использования в тканевой инженерии для восстановления и регенерации различных тканей, поскольку способны выполнять функции объемных скаффолдов, обеспечивая формирование 3D клеточных структур. Заселение таких скаффолдов аутологичными или гетерогенными мезенхимальными мультипотентными стромальными клетками in vitro дает возможность локализовать эти клетки в  области тканей-мишеней после имплантации пациенту. Одной из сложных задач является выбор способа и режима стерилизации гидрогеля, не изменяющих его свойства.<bold>Цель исследования</bold> – изучение эффективности стерилизации гидрогеля пучком ускоренных электронов в  различных режимах, изменения структуры и  биосовместимости скаффолда для  оценки перспектив его использования в медицинских целях, в том числе в качестве платформы для мезенхимальных стромальных клеток.<bold>Материалы и методы.</bold> В работе использовали гидрогель на основе полисахаридов (4 % растворы альгината натрия и натриевой соли карбоксиметилцеллюлозы), сшитых хлоридом кальция, который был разработан, получен и предоставлен для наших исследований коллективом Научно-образовательного центра биомедицинской инженерии ФГАОУ ВО «Национальный исследовательский технологический университет «МИСиС». Образцы гидрогеля, нагруженные Escherichia coli, Lactobacillus acidophilus, Saccharomyces cerevisiae, были подвергнуты обработке пучком электронов в диапазоне 5–100 кГр. После электронно-лучевой обработки гидрогеля оценивали наличие живых микроорганизмов и  изменение его структуры методом инфракрасной спектроскопии с преобразованием Фурье, а  также фенотип мезенхимальных мультипотентных клеток и формирование ими 3D-структур.<bold>Результаты.</bold> Было установлено, что режим обработки гидрогелей пучком электронов в режиме 25 кГр обеспечивает гибель микроорганизмов, не разрушая структуру гидрогеля, и не ингибирует способность формировать капилляроподобные структуры мезенхимальными мультипотентными клетками.<bold>Заключение.</bold> Обработка пучком ускоренных электронов в режиме 25 кГр может быть использована с целью стерилизации гидрогелей для получения объемных скаффолдов клеточно-инженерных имплантатов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hydrogel</kwd><kwd>mesenchymal multipotent stromal cells</kwd><kwd>sterilization</kwd><kwd>accelerated electron beam</kwd><kwd>scaffold</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гидрогель</kwd><kwd>мезенхимальные мультипотентные стромальные клетки</kwd><kwd>стерилизация</kwd><kwd>пучок ускоренных электронов</kwd><kwd>скаффолд</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was funded by the Ministry of Science and Higher Education of the Russian Federation under the strategic academic leadership program “Priority 2030”.</funding-statement><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке Министерства науки и высшего образования Российской Федерации в рамках программы стратегического академического лидерства «Приоритет 2030».</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Li Z., Chen Z., Chen H. et al. 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