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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">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2025-22-1-57-64</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-1015</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>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Эффект аскорбиновой кислоты на получение преддифференцированных в хондрогенном направлении мезенхимальных стволовых/стромальных клеток</article-title><trans-title-group xml:lang="en"><trans-title>Effect of ascorbic acid on obtaining chondrogenic pre-differentiated mesenchymal stem/stromal cells</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-9593-7067</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жерносеченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhernasechanka</surname><given-names>H. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жерносеченко Анна Александровна – канд. биол. наук, вед. науч. сотрудник</p><p>ул. Фрунзенская, 43, 223053, Минский р-н,  д. Боровляны</p></bio><bio xml:lang="en"><p>Hanna A. Zhernasechanka – Ph. D. (Biol.), Leading Researcher</p><p>43, Frunzenskaya Str., v. Borovliany, 223053, Minsk Region</p></bio><email xlink:type="simple">sapphire.anna@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/0000-0001-5196-8554</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исайкина</surname><given-names>Я. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Isaikina</surname><given-names>Ya. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Исайкина Янина Ивановна – канд. биол. наук, заведующий лабораторией</p><p>ул. Фрунзенская, 43, 223053, Минский р-н,  д. Боровляны</p></bio><bio xml:lang="en"><p>Yanina I. Isaikina – Ph. D. (Biol.), Head of the Laboratory</p><p>43, Frunzenskaya Str., v. Borovliany, 223053, Minsk Region</p></bio><email xlink:type="simple">yaninai@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Республиканский научно-практический центр детской онкологии, гематологии и иммунологии</institution></aff><aff xml:lang="en"><institution>Republican Research Center for Pediatric Oncology, Hematology and Immunology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2025</year></pub-date><volume>22</volume><issue>1</issue><fpage>57</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жерносеченко А.А., Исайкина Я.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Жерносеченко А.А., Исайкина Я.И.</copyright-holder><copyright-holder xml:lang="en">Zhernasechanka H.A., Isaikina Y.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://vestimed.belnauka.by/jour/article/view/1015">https://vestimed.belnauka.by/jour/article/view/1015</self-uri><abstract><p>Мезенхимальные стволовые/стромальные клетки (МСК) обладают уникальными функциональными свойствами, в частности способностью дифференцироваться в хондрогенном направлении. Благодаря этому данная популяция клеток широко востребована при репарации хрящевой ткани. Различные комбинации ростовых факторов не только способствуют экспрессии генов-маркеров гиалинового хряща, но и индуцируют маркеры, ассоциированные с гипертрофией. Есть данные, что аскорбиновая кислота может стимулировать хондрогенную дифференцировку МСК за счет увеличения транскрипции генов коллагенов Сol2. В связи с этим изучено влияние аскорбиновой кислоты при ее добавлении в дифференцировочную среду к ранее разработанному коктейлю цитокинов с целью получения гиалиноподобного матрикса. Ввиду спорного времени индукции процесса хондрогенеза в МСК сделано предположение о возможности сокращения срока индукции хондрогенной преддифференцировки МСК.</p><p>На основе проведенных исследований подтверждено положительное влияние аскорбиновой кислоты на экспрессию гена Col2, что свидетельствует об образовании гиалиноподобной хрящевой ткани при хондрогенной дифференцировке МСК. Анализ экспрессии генов-маркеров хондрогенной дифференцировки МСК и синтеза компонентов внеклеточного матрикса на 4-е и 7-е сутки показал возможность сокращения срока преддифференцировки до 4 сут.</p></abstract><trans-abstract xml:lang="en"><p>Mesenchymal stem/stromal cells (MSCs) have unique functional properties, one of which is the chondrogenic differentiation. This population of cells is being used in clinical practice for repairing cartilage tissue. Various combinations of growth factors promote the expression of markers of hyaline cartilage, but also induce hypertrophy’s markers. There  is evidence that ascorbic acid can promote chondrogenic differentiation of MSCs by increasing the transcription of Col2, so we have studied when adding ascorbic acid to the differentiation medium to the previously developed cytokine cocktail in order to obtain a hyaline-like matrix. There is a different time of induction of chondrogenesis in MSCs, so we assumed to reduce the induction period of chondrogenic pre-differentiation of MSCs. Based on our studies we confirmed a positive effect of ascorbic acid on the expression of Col2, which indicates the possibility of obtaining strong and stable chondrogenic differentiation  of MSCs. The analysis of the expression of genes-markers of chondrogenic differentiation of MSCs and the synthesis  of extracellular matrix components on the 4th and 7th days showed a possibility of reducing the pre-differentiation period  to 4 days.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мезенхимальные стволовые/стромальные клетки</kwd><kwd>хондрогенная дифференцировка</kwd><kwd>аскорбиновая кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mesenchymal stem/stromal cells</kwd><kwd>chondrogenic differentiation</kwd><kwd>ascorbic acid</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Научное исследование проведено при поддержке гранта Президента Республики Беларусь.</funding-statement><funding-statement xml:lang="en">The research was carried out with the support of a grant from the President of the Republic of Belarus.</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">Friedenstein, A. 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