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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">Advances in Molecular Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Advances in Molecular Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Успехи молекулярной онкологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-805X</issn><issn publication-format="electronic">2413-3787</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">439</article-id><article-id pub-id-type="doi">10.17650/2313-805X-2022-9-2-58-65</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Hypoxia-related proteins VEGF A and CA IX and resistance of soft tissue sarcoma cells to chemotherapy: <italic>ex vivo</italic> pilot study</article-title><trans-title-group xml:lang="ru"><trans-title>Гипоксические белки VEGF A и CA IX и резистентность клеток сарком мягких тканей к химиопрепаратам: пилотный опыт <italic>ex vivo</italic> анализа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2974-9555</contrib-id><name-alternatives><name xml:lang="en"><surname>Scherbakov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Щербаков</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Aleksandr Mihaylovich Scherbakov</bold></p><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p><bold>Александр Михайлович Щербаков</bold></p><p>115478 Москва, Каширское шоссе, 24</p></bio><email>Alex.Scherbakov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5082-9883</contrib-id><name-alternatives><name xml:lang="en"><surname>Fetisov</surname><given-names>T. I.</given-names></name><name xml:lang="ru"><surname>Фетисов</surname><given-names>Т. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1264-7405</contrib-id><name-alternatives><name xml:lang="en"><surname>Sorokin</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Сорокин</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2809-8487</contrib-id><name-alternatives><name xml:lang="en"><surname>Zinovieva</surname><given-names>V. Yu.</given-names></name><name xml:lang="ru"><surname>Зиновьева</surname><given-names>В. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6697-7154</contrib-id><name-alternatives><name xml:lang="en"><surname>Moiseeva</surname><given-names>N. I.</given-names></name><name xml:lang="ru"><surname>Моисеева</surname><given-names>Н. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8839-5881</contrib-id><name-alternatives><name xml:lang="en"><surname>Laletina</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Лалетина</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4960-8925</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirilin</surname><given-names>E. M.</given-names></name><name xml:lang="ru"><surname>Кирилин</surname><given-names>Е. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Leninskie gory, Moscow 119991</p></bio><bio xml:lang="ru"><p>119991 Москва, Ленинские горы, 1</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1574-0082</contrib-id><name-alternatives><name xml:lang="en"><surname>Manikaylo</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Маникайло</surname><given-names>А. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9306-5465</contrib-id><name-alternatives><name xml:lang="en"><surname>Fomina</surname><given-names>L. Ya.</given-names></name><name xml:lang="ru"><surname>Фомина</surname><given-names>Л. Я.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6445-9983</contrib-id><name-alternatives><name xml:lang="en"><surname>Mekheda</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Мехеда</surname><given-names>Л. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1396-3434</contrib-id><name-alternatives><name xml:lang="en"><surname>Bokhyan</surname><given-names>B. Yu.</given-names></name><name xml:lang="ru"><surname>Бохян</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1967-9637</contrib-id><name-alternatives><name xml:lang="en"><surname>Lesovaya</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Лесовая</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trukhanova</surname><given-names>L. S.</given-names></name><name xml:lang="ru"><surname>Труханова</surname><given-names>Л. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gor’kova</surname><given-names>T. G.</given-names></name><name xml:lang="ru"><surname>Горькова</surname><given-names>Т. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Antoshina</surname><given-names>E. E.</given-names></name><name xml:lang="ru"><surname>Антошина</surname><given-names>Е. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Morozova</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Морозова</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8599-6833</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirsanov</surname><given-names>K. I.</given-names></name><name xml:lang="ru"><surname>Кирсанов</surname><given-names>К. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478;</p><p>6 Miklukho-Maklaya St., Moscow 117198</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24;</p><p>117198 Москва, ул. Миклухо-Маклая, 6</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9710-8178</contrib-id><name-alternatives><name xml:lang="en"><surname>Yakubovskaya</surname><given-names>M. G.</given-names></name><name xml:lang="ru"><surname>Якубовская</surname><given-names>М. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Cancer Research Center, 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="aff2"><aff><institution xml:lang="en">M.V. Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Московский государственный университет им. М. В. Ломоносова»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2022</year></pub-date><volume>9</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>58</fpage><lpage>65</lpage><history><date date-type="received" iso-8601-date="2022-06-25"><day>25</day><month>06</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-06-25"><day>25</day><month>06</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Scherbakov A.M., Fetisov T.I., Sorokin D.V., Zinovieva V.Y., Moiseeva N.I., Laletina L.A., Kirilin E.M., Manikaylo A.E., Fomina L.Y., Mekheda L.V., Bokhyan B.Y., Lesovaya E.A., Trukhanova L.S., Gor’kova T.G., Antoshina E.E., Morozova O.V., Kirsanov K.I., Yakubovskaya M.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Щербаков А.М., Фетисов Т.И., Сорокин Д.В., Зиновьева В.Ю., Моисеева Н.И., Лалетина Л.А., Кирилин Е.М., Маникайло А.Е., Фомина Л.Я., Мехеда Л.В., Бохян А.Ю., Лесовая Е.А., Труханова Л.С., Горькова Т.Г., Антошина Е.Е., Морозова О.В., Кирсанов К.И., Якубовская М.Г.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Scherbakov A.M., Fetisov T.I., Sorokin D.V., Zinovieva V.Y., Moiseeva N.I., Laletina L.A., Kirilin E.M., Manikaylo A.E., Fomina L.Y., Mekheda L.V., Bokhyan B.Y., Lesovaya E.A., Trukhanova L.S., Gor’kova T.G., Antoshina E.E., Morozova O.V., Kirsanov K.I., Yakubovskaya M.G.</copyright-holder><copyright-holder xml:lang="ru">Щербаков А.М., Фетисов Т.И., Сорокин Д.В., Зиновьева В.Ю., Моисеева Н.И., Лалетина Л.А., Кирилин Е.М., Маникайло А.Е., Фомина Л.Я., Мехеда Л.В., Бохян А.Ю., Лесовая Е.А., Труханова Л.С., Горькова Т.Г., Антошина Е.Е., Морозова О.В., Кирсанов К.И., Якубовская М.Г.</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://umo.abvpress.ru/jour/article/view/439">https://umo.abvpress.ru/jour/article/view/439</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> The identification of predictive factors is a cornerstone task of modern oncology. The development of new targeted drugs determines the need for prediction of chemosensitivity of each patient to the prescribed therapy, in this regard, the search for biomarkers of predictive response to therapy is actively conducted.</p><p><bold>The study objective</bold> to investigate the relationship between tumor cell resistance and the expression levels of CA IX (carbonic anhydrase IX) and VEGF A (vascular endothelial growth factor А) in patient-derived cultures of soft tissue sarcomas.</p><p><bold>Materials and methods:</bold> <italic>ex vivo</italic> soft tissue sarcoma cell culture, resazurin test, immunoblotting.</p><p><bold>Results.</bold> We obtained 46 <italic>ex vivo</italic> samples of soft tissue sarcoma cultures for which chemosensitivity to doxorubicin, ifosfamide, docetaxel, gemcitabine, and their combinations was assessed by the resazurin cytotoxicity test. We analyzed the relationship between the expression of hypoxic proteins VEGF A and CA IX and the resistance to drugs. A correlation between the CA IX expression in hypoxia and cell resistance to ifosfamide and its combination with doxorubicin was found. Soft tissue sarcomas with high VEGF A index were resistant to doxorubicin, docetaxel, and its combination with gemcitabine (<italic>p</italic> &lt;0.05).</p><p><bold>Conclusion.</bold> The data obtained on patient-derived cultures indicate the relationship between hypoxic signaling and resistance of soft tissue sarcomas to chemotherapeutics.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Поиск предиктивных факторов является краеугольной задачей современной онкологии. Разработка большого числа новых таргетных препаратов определяет необходимость четкого предсказания хемочувствительности конкретного пациента к назначаемой терапии. В связи с этим активно ведется поиск биомаркеров прогноза ответа на терапию.</p><p><bold>Цель исследования</bold> – изучение взаимосвязи между резистентностью опухолевых клеток и уровнем экспрессии CA IX (карбоангидразы IX) и VEGF A (фактора роста эндотелия сосудов А) в <italic>ex</italic><italic> </italic><italic>vivo</italic> культурах сарком мягких тканей.</p><p><bold>Материалы и методы.</bold> В исследование были включены <italic>ex</italic><italic> </italic><italic>vivo</italic> культуры сарком мягких тканей, использованы резазуриновый тест, иммуноблоттинг.</p><p><bold>Результаты.</bold> Получено 46 <italic>ex</italic><italic> </italic><italic>vivo</italic> образцов культур сарком мягких тканей, для которых с помощью резазуринового теста на цитотоксичность определена хемочувствительность к доксорубицину, ифосфамиду, доцетакселу, гемцитабину и их комбинациям. Проведен анализ связи экспрессии гипоксических белков VEGF A и CA IX с резистентностью к химиопрепаратам. Обнаружена корреляция уровня экспрессии CA IX в гипоксии с резистентностью клеток к ифосфамиду и его комбинации с доксорубицином. Образцы сарком мягких тканей, обладающие высоким индексом VEGF A, были резистентны к доксорубицину, доцетакселу и его комбинации с гемцитабином (<italic>p</italic> &lt;0,05).</p><p><bold>Заключение.</bold> Полученные на <italic>ex</italic><italic> </italic><italic>vivo</italic> культурах данные свидетельствуют о взаимосвязи гипоксического сигналинга и резистентности сарком мягких тканей к химиотерапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>soft tissue sarcoma</kwd><kwd>signaling pathways</kwd><kwd>targeted chemotherapy</kwd><kwd>prediction of individual sensitivity and development of drug resistance</kwd><kwd>VEGF A</kwd><kwd>CA IX</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>саркома мягких тканей</kwd><kwd>сигнальные пути</kwd><kwd>таргетная химиотерапия</kwd><kwd>прогноз индивидуальной чувствительности и развития лекарственной резистентности</kwd><kwd>VEGF A</kwd><kwd>CA IX</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was performed with the support of the Russian Foundation for Basic Research (grant № 18-29-09095).</funding-statement><funding-statement xml:lang="ru">Исследование выполнено при поддержке Российского фонда фундаментальных исследований (грант № 18-29-09095).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hoang N.T., Acevedo L.A., Mann M.J. et al. 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