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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21294/1814-4861-2024-23-4-66-76</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-3193</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>ЛАБОРАТОРНЫЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LABORATORY AND EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование радиопротекторных свойств пирувата лития in vitro</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of radioprotective properties of lithium pyruvate in vitro</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4374-6422</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плотников</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotnikov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Плотников Евгений Владимирович, кандидат химических наук, доцент; научный сотрудник лаборатории химико-фармацевтических исследований; старший научный сотрудник отделения эндогенных расстройств</p><p>Researcher ID (WOS): F-8333-2017</p><p>Author ID (Scopus): 56432612900</p><p>634050, г. Томск, пр. Ленина, 30</p><p>634050, г. Томск, Московский тракт, 2</p><p>634050, г. Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Evgeny V. Plotnikov, PhD, Associate Professor, Research School of Chemical and Biomedical Technologies; Researcher, Laboratory of Chemical and Pharmaceutical Research; Senior Researcher, Department of Endogenous Disorders</p><p>Researcher ID (WOS): F-8333-2017</p><p>Author ID (Scopus): 56432612900</p><p>30, Lenin Ave., Tomsk, 634050</p><p>2, Moskovsky trakt, Tomsk, 634050</p><p>4, Aleutskaya St., Tomsk, 634021</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2153-7945</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белоусов</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belousov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белоусов Михаил Валерьевич, доктор фармацевтических наук, профессор, заведующий кафедрой фармацевтического анализа; профессор</p><p>Researcher ID (WOS): Q-3827-2016</p><p>Author ID (Scopus): 55808990700</p><p>634050, г. Томск, пр. Ленина, 30 </p><p>634050, г. Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Mikhail V. Belousov, Professor, Research School of Chemical and Biomedical Technologies; Professor, Head of the Department of Pharmaceutical Analysis</p><p>Researcher ID (WOS): Q-3827-2016</p><p>Author ID (Scopus): 55808990700</p><p>30, Lenin Ave., Tomsk, 634050</p><p>2, Moskovsky trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4779-9820</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бразовский</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Brazovsky</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бразовский Константин Станиславович, доктор технических наук, профессор</p><p>Researcher ID (WOS): O-4043-2016</p><p>Author ID (Scopus): 56582319400</p><p>634050, г. Томск, пр. Ленина, 30 </p></bio><bio xml:lang="en"><p>Konstantin S. Brazovsky, Professor, Research School of Chemical and Biomedical Technologies</p><p>Researcher ID (WOS): O-4043-2016</p><p>Author ID (Scopus): 56582319400</p><p>30, Lenin Ave., Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1176-2441</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ларькина</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Larkina</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ларькина Мария Сергеевна, доктор фармацевтических наук, профессор кафедры фармацевтического анализа; профессор</p><p>Author ID (Scopus): 57194542755</p><p>634050, г. Томск, пр. Ленина, 30 </p><p>634050, г. Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Maria S. Larkina, Professor, Professor, Research School of Chemical and Biomedical Technologies; Department of Pharmaceutical Analysis</p><p>Author ID (Scopus): 57194542755</p><p>30, Lenin Ave., Tomsk, 634050</p><p>2, Moskovsky trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7543-9611</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Артамонов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Artamonov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артамонов Антон Анатольевич, PhD, старший научный сотрудник</p><p>Author ID (Scopus): 57089921800</p><p>123007, г. Москва, Хорошевское ш., 76А</p></bio><bio xml:lang="en"><p>Anton A. Artamonov, PhD, Senior Researcher</p><p>Author ID (Scopus): 57089921800</p><p>76A, Khoroshevskoe sh., Moscow, 123007</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3493-2319</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стучебров</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Stuchebrov</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стучебров Сергей Геннадьевич, доцент</p><p>Researcher ID (WOS): C-7029-2015</p><p>Author ID (Scopus): 55247303500</p><p>634050, г. Томск, пр. Ленина, 30</p></bio><bio xml:lang="en"><p>Sergey G. Stuchebrov, Associate Professor, Research School of High-Energy Physics</p><p>Researcher ID (WOS): C-7029-2015</p><p>Author ID (Scopus): 55247303500</p><p>30, Lenin Ave., Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5524-9546</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чернов Владимир Иванович, доктор медицинских наук, профессор, член-корреспондент РАН, заместитель директора по научной работе и инновационной деятельности, заведующий отделением радионуклидной терапии и диагностики; ведущий инженер, лаборатория № 31 ядерного реактора</p><p>Researcher ID (WOS): B-6789-2016</p><p>Author ID (Scopus): 7201429550</p><p>634050, г. Томск, пр. Ленина, 30</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Vladimir I. Chernov, Lead Engineer, Nuclear Reactor Laboratory No. 31; MD, Professor, Corresponding Member of the Russian Academy of Sciences, Deputy Director for Research and Innovation, Head of the Nuclear Medicine Department, Cancer Research Institute</p><p>Researcher ID (WOS): B-6789-2016</p><p>Author ID (Scopus): 7201429550</p><p>30, Lenin Ave., Tomsk, 634050</p><p>5, Kooperativny St., Tomsk, 634009</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Исследовательская школа химических и биомедицинских технологий, ФГАОУ ВО «Национальный исследовательский Томский политехнический университет; ФГБОУ ВО «Сибирский государственный медицинский  университет» Минздрава России; Научно-исследовательский институт психического здоровья, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University; Siberian State Medical University of the Ministry of Health of Russia; Mental Health Research Institute of the Tomsk National Research Medical Center of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Национальный исследовательский Томский политехнический университет»; ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University; Siberian State Medical University of the Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГАОУ ВО «Национальный исследовательский Томский политехнический университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт медико-биологических проблем РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Biomedical Problems, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГАОУ ВО «Национальный исследовательский Томский политехнический университет»; Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University; Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2024</year></pub-date><volume>23</volume><issue>4</issue><fpage>66</fpage><lpage>76</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Плотников Е.В., Белоусов М.В., Бразовский К.С., Ларькина М.С., Артамонов А.А., Стучебров С.Г., Чернов В.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Плотников Е.В., Белоусов М.В., Бразовский К.С., Ларькина М.С., Артамонов А.А., Стучебров С.Г., Чернов В.И.</copyright-holder><copyright-holder xml:lang="en">Plotnikov E.V., Belousov M.V., Brazovsky K.S., Larkina M.S., Artamonov A.A., Stuchebrov S.G., Chernov 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://www.siboncoj.ru/jour/article/view/3193">https://www.siboncoj.ru/jour/article/view/3193</self-uri><abstract><p>Радиотоксичность является серьезной проблемой для пациентов, проходящих лучевую терапию, поэтому поиск новых препаратов-радиопротекторов для ослабления ее последствий крайне актуален. Радиопротекторы должны обладать рядом свойств, в том числе прямым антиоксидантным действием, снижать окислительный стресс, индуцировать репарацию ДНК или ингибировать апоптоз и при этом не вызывать собственных побочных эффектов. По совокупности свойств перспективными выглядят антиоксиданты на основе солей лития. Целью исследования явилось изучение радиопротекторных свойств пирувата лития in vitro. Материал и методы. В качестве биомоделей для оценки воздействия рентгеновского излучения использовали относительно радиочувствительные мононуклеарные клетки крови и относительно радиоустойчивые фибробласты линии 3T3L1. Клетки инкубировали и облучали в 96-луночных планшетах. Пируват лития применяли в финальной концентрации 1,2 мМ. Облучение проводили с интенсивностью 15 мГр/c в диапазоне поглощенных доз 0–5 Гр на рентгеновской установке (анодное напряжение 160 кВ, средний ток 3,5 мА). Жизнеспособность клеток оценивали с помощью МТТ-теста и резазуринового теста. Оценку вариантов клеточной гибели и уровень окислительного стресса определяли цитофлуориметрическим методом. Результаты. Установлено цитопротекторное действие пирувата лития, проявляющееся в повышении выживаемости клеток и снижении уровня окислительного стресса после облучения в широком диапазоне поглощенных доз. Относительно большая эффективность показана в отношении мононуклеарных клеток крови с повышением жизнеспособной фракции клеток на 5–7 % и снижением уровня окислительного стресса при облучении в диапазоне 1,0–3,0 Гр. Установлено, что апоптоз является основным механизмом гибели клеток после облучения. Пируват лития снижает уровень индукции апоптоза в популяции клеток при облучении и при химически индуцированном окислительном стрессе. Заключение. Показано радиопротекторное действие пирувата лития при рентгеновском облучении in vitro. Выявлено снижение окислительного стресса при действии пирувата лития, что создает патогенетическую основу для потенциального применения данного соединения в качестве радиопротектора, что требует дальнейших исследований на моделях in vivo.</p></abstract><trans-abstract xml:lang="en"><p>Radiotoxicity is a serious problem for patients undergoing radiotherapy, so the search for new radioprotective drugs to mitigate its effects is highly relevant. Radioprotectors should have a number of properties, including direct antioxidant action, reduction of oxidative stress, ability to induce DNA repair or inhibit apoptosis, and at the same time not cause their own side effects. Antioxidants based on lithium salts look promising in terms of their properties. The aim of study was to study the radioprotective properties of lithium pyruvate in vitro. Material and Methods. Relatively radiosensitive blood mononuclear cells and relatively radioresistant fibroblasts of 3T3L1 line were used as biomodels for x-ray exposure. Cells were incubated and irradiated in 96-well plates. Lithium pyruvate was used at a final concentration of 1.2 mM. Cells were irradiated at a dose rate of 15 mGy/s in the absorbed-dose range from 0 to 5 Gy using an x-ray unit (anode voltage: 160 kV, average current: 3.5 mA). Cell viability was assessed by MTT test and resazurin test. The evaluation of cell death variants and the level of oxidative stress were determined by cytofluorimetric method. Results. The cytoprotective effect of lithium pyruvate was established. Cytoprotection was manifested in the increased cell survival and decreased oxidative stress level under lithium pyruvate after x-ray in a wide range of absorbed doses. Relatively high efficiency was shown in relation to blood mononuclear cells with an increase in the viable fraction by 5–7 % and a decrease in oxidative stress level during irradiation in the range of 1.0–3.0 Gy. Apoptosis was found to be the main mechanism of cell death after irradiation. Lithium pyruvate reduced the level of apoptosis in cell population under irradiation and chemically induced oxidative stress. Conclusion. Radioprotective effect of lithium pyruvate under x-ray irradiation in vitro has been shown. Reduction of oxidative stress under the action of pyruvate provides a pathogenetic basis for the potential use of this compound as a radioprotector, which requires further studies on in vivo models.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пируват лития</kwd><kwd>радиопротекция</kwd><kwd>фибропласты линии 3T3L</kwd><kwd>мононуклеарные клетки крови</kwd><kwd>рентгеновское излучение</kwd><kwd>окислительный стресс</kwd><kwd>апоптоз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lithium pyruvate</kwd><kwd>radioprotection</kwd><kwd>fibroblast line 3T3L1</kwd><kwd>blood mononuclear cells</kwd><kwd>X-ray radiation</kwd><kwd>oxidative stress</kwd><kwd>apoptosis</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">Baskar R., Lee K.A., Yeo R., Yeoh K.W. Cancer and radiation therapy: current advances and future directions. 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