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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">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">820</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2024-23-4-78-83</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</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">Identification of optimal conditions for the expansion of human bone marrow-derived mesenchymal stem cells using tools for live-cell culture monitoring</article-title><trans-title-group xml:lang="ru"><trans-title>Определение оптимальных условий экспансии мезенхимальных стволовых клеток костного мозга человека с помощью оборудования для прижизненного мониторинга состояния культур клеток</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9444-4689</contrib-id><name-alternatives><name xml:lang="en"><surname>Dudorova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Дудорова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Дудорова Анастасия Андреевна</bold></p><p><italic>Москва</italic></p></bio><email>dudorova_aa@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3001-4820</contrib-id><name-alternatives><name xml:lang="en"><surname>Efimenko</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Ефименко</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Ефименко Мария Викторовна</bold></p><p><italic>Москва</italic></p></bio><email>masik_007@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5618-7159</contrib-id><name-alternatives><name xml:lang="en"><surname>Khismatullina</surname><given-names>R. D.</given-names></name><name xml:lang="ru"><surname>Хисматуллина</surname><given-names>Р. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Хисматуллина Рима Данияловна</bold></p><p><italic>Москва</italic></p></bio><email>Rimma.Chismatullina@fccho-moscow.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1735-0093</contrib-id><name-alternatives><name xml:lang="en"><surname>Maschan</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Масчан</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Масчан Михаил Александрович</bold></p><p><italic>Москва</italic></p></bio><email>mmaschan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-0448-504X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kazmina</surname><given-names>I. N.</given-names></name><name xml:lang="ru"><surname>Казьмина</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Казьмина Ирина Николаевна</bold></p><p><italic>Москва</italic></p></bio><email>rinakazmina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7652-7704</contrib-id><name-alternatives><name xml:lang="en"><surname>Ilyushina</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Илюшина</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><bold>Илюшина Мария Александровна</bold></p><p><italic>Москва</italic></p></bio><email>Mariya.Ilyushina@fccho-moscow.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1873-3486</contrib-id><name-alternatives><name xml:lang="en"><surname>Osipova</surname><given-names>E. Yu.</given-names></name><name xml:lang="ru"><surname>Осипова</surname><given-names>Е. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Elena Yu. Osipova</bold>, Head of the Laboratory of Physiology and Pathology of Stem Cells</p><p><italic>1 Samory Mashela St., Moscow 117997</italic></p></bio><bio xml:lang="ru"><p><bold>Осипова Елена Юрьевна</bold>, заведующая лабораторией физиологии и патологии стволовых клеток</p><p><italic>117997, Москва, ул. Саморы Машела, 1</italic></p></bio><email>e_ossipova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ "НМИЦ ДГОИ им. Дмитрия Рогачева" Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-13" publication-format="electronic"><day>13</day><month>12</month><year>2024</year></pub-date><volume>23</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>78</fpage><lpage>83</lpage><history><date date-type="received" iso-8601-date="2024-02-12"><day>12</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-04-08"><day>08</day><month>04</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hemoncim.com/jour/article/view/820">https://hemoncim.com/jour/article/view/820</self-uri><abstract xml:lang="en"><p>Based on the results of our study, we have developed recommendations regarding cell culture media composition for the expansion of human bone marrow-derived mesenchymal stem cells (MSC) for preclinical studies and potential clinical applications. ALPHA-MEM supplemented with 10% platelet lysate proved to be the most effective culture medium. Different DMEM media supplemented with fetal bovine serum turned out to be less effective: a maximum of 80% confluence was reached after 80 hours of culture, while MSC confluence in StemMACS and ALPHA-MEM media supplemented with platelet lysate kept increasing even after 100 hours of expansion. The growth rate of MSCs in RPMI-1640 medium was significantly lower than in the other culture media. When culturing MSCs in media with high glucose concentration (4.5 g/L), the percentage of cells with fat transformation after 5 days of culture was higher than in low-glucose (1.0 g/L) media such as DMEM low gl, StemMacs, ALPHAMEM. It is preferable to use MSC expansion media that do not induce spontaneous adipogenic differentiation for culturing MSCs for clinical purposes because the cells remain uncommitted and all their differentiation potential can be used in accordance with the objectives of further research and/or clinical needs. This study was supported by the local Ethics Committee and approved by the Scientific Council of the Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation. All the participants signed the standard informed consent form and agreed to the use of some of their biological materials for research purposes.</p></abstract><trans-abstract xml:lang="ru"><p>По результатам проведенного исследования выработаны рекомендации по составу среды для экспансии мезенхимальных стволовых клеток (МСК) костного мозга человека для доклинических исследований и возможного клинического применения – наиболее эффективной является среда ALPHA-MEM с добавлением 10% лизата тромбоцитов. Варианты сред на основе DMEM c добавлением эмбриональной телячьей сыворотки оказались менее эффективны – доля конфлюэнтности достигала максимального значения 0,8 через 80 ч культивирования, тогда как конфлюэнтность культур МСК в средах StemMACS и ALPHA-MEM с добавлением лизата тромбоцитов продолжала возрастать и через 100 ч после начала экспансии. Среда на основе RPMI-1640 достоверно хуже других использованных сред поддерживала рост МСК. При культивировании МСК в средах с содержанием глюкозы 4,5 г/л доля клеток с жировой трансформацией через 5 сут выше, чем при культивировании в условиях содержания глюкозы 1,0 г/л – DMEM low gl, StemMacs, ALPHAMEM. Использование для экспансии МСК сред, не индуцирующих спонтанную адипогенную дифференцировку, предпочтительнее для потенциального применения МСК в клинических целях, поскольку клетки остаются некоммитированными и их дифференцировочный потенциал может быть реализован в зависимости от задач дальнейшего исследования и/или клинических потребностей при их применении. Настоящее исследование поддержано локальным этическим комитетом и утверждено решением ученого совета ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России. Все участники исследования подписали добровольное информированное согласие по утвержденной форме с возможностью использования части материала для исследовательских целей.</p></trans-abstract><kwd-group xml:lang="en"><kwd>mesenchymal stem cells</kwd><kwd>cell expansion</kwd><kwd>culture media</kwd><kwd>adipogenic differentiation</kwd><kwd>platelet lysate</kwd><kwd>confluence</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>мезенхимальные стволовые клетки</kwd><kwd>экспансия клеток</kwd><kwd>среда культивирования</kwd><kwd>адипогенная дифференцировка</kwd><kwd>лизат тромбоцитов</kwd><kwd>конфлюэнтность.</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Frieedenstein A.J., Petrakova K.V., Kurolesova A.I., Frolova G.P. Heterotopic of bone marrow. Analysis of precursor cells for osteogenic and hematopoietic tissues. 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