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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Acta Naturae</journal-id><journal-title-group><journal-title xml:lang="en">Acta Naturae</journal-title><trans-title-group xml:lang="ru"><trans-title>Acta Naturae</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-8251</issn><publisher><publisher-name xml:lang="en">Acta Naturae Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">27314</article-id><article-id pub-id-type="doi">10.32607/actanaturae.27314</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">A Method for the Production of Recombinant VSVs with Confirmation of Biological Activity</article-title><trans-title-group xml:lang="ru"><trans-title>Метод получения рекомбинантных VSV с подтверждением биологической активности</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Moroz</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Мороз</surname><given-names>В. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gasanov</surname><given-names>N. B.</given-names></name><name xml:lang="ru"><surname>Гасанов</surname><given-names>Н. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>gasanov.nb@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Egorov</surname><given-names>A. D.</given-names></name><name xml:lang="ru"><surname>Егоров</surname><given-names>А. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Malogolovkin</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Малоголовкин</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nagornykh</surname><given-names>M. O.</given-names></name><name xml:lang="ru"><surname>Нагорных</surname><given-names>М. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Subcheva</surname><given-names>E. N.</given-names></name><name xml:lang="ru"><surname>Субчева</surname><given-names>Е. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolosova</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Колосова</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fizikova</surname><given-names>A. Yu.</given-names></name><name xml:lang="ru"><surname>Физикова</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>R. A.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Р. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karabelsky</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Карабельский</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>moroz.vd@talantiuspeh.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sirius University of Science and Technology</institution></aff><aff><institution xml:lang="ru">Научно-технологический университет «Сириус»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет им. И.М. Сеченова Минздрава России, Сеченовский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-10" publication-format="electronic"><day>10</day><month>05</month><year>2024</year></pub-date><volume>16</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>59</fpage><lpage>66</lpage><history><date date-type="received" iso-8601-date="2023-11-01"><day>01</day><month>11</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-01-31"><day>31</day><month>01</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Moroz V.D., Gasanov N.B., Egorov A.D., Malogolovkin A.S., Nagornykh M.O., Subcheva E.N., Kolosova E.S., Fizikova A.Y., Ivanov R.A., Karabelsky A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Мороз В.Д., Гасанов Н.Б., Егоров А.Д., Малоголовкин А.С., Нагорных М.О., Субчева Е.Н., Колосова Е.С., Физикова А.Ю., Иванов Р.А., Карабельский А.В.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Moroz V.D., Gasanov N.B., Egorov A.D., Malogolovkin A.S., Nagornykh M.O., Subcheva E.N., Kolosova E.S., Fizikova A.Y., Ivanov R.A., Karabelsky A.V.</copyright-holder><copyright-holder xml:lang="ru">Мороз В.Д., Гасанов Н.Б., Егоров А.Д., Малоголовкин А.С., Нагорных М.О., Субчева Е.Н., Колосова Е.С., Физикова А.Ю., Иванов Р.А., Карабельский А.В.</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://actanaturae.ru/2075-8251/article/view/27314">https://actanaturae.ru/2075-8251/article/view/27314</self-uri><abstract xml:lang="en"><p>The design of new effective cancer treatment methods is a promising and important research field in translational medicine. Oncolytic viruses can induce immunogenic cell death by activating the body’s immune system to recognize tumor cells. This work presents the results for optimizing the production of recombinant vesicular stomatitis viruses (rVSVs). To ensure the assembly of viral particles, we developed the HEK293TN-T7 cell line, which stably expresses DNA-dependent RNA polymerase 7 for viral genome transcription, and obtained helper plasmids encoding viral genes under the control of the CAG promoter. The oncolytic activity of the purified virus preparation was assessed in a murine model of B16F10Red melanoma cells expressing a red fluorescent protein. The presented method makes it possible to obtain purified viral preparations with a high titer and oncolytic activity. The amplification of viral particles in a HEK293 suspension culture allows for rapid scalability. Therefore, the developed approach can be used to obtain other recombinant VSV-based oncolytic viruses for tumor immunotherapy.</p></abstract><trans-abstract xml:lang="ru"><p>Создание новых эффективных средств лечения опухолей является перспективным и актуальным направлением трансляционной медицины. Онколитические вирусы способны индуцировать иммуногенную клеточную смерть, активируя иммунную систему организма для распознавания злокачественной опухоли. В данной работе представлены результаты оптимизации метода получения рекомбинантных вирусов везикулярного стоматита. Для сборки вирусных частиц получена клеточная линия HEK293TN-Т7, стабильно экспрессирующая ДНК-зависимую РНК-полимеразу Т7 для экспрессии вирусного генома, а также получены хелперные плазмиды, кодирующие вирусные гены под контролем CAG-промоторов. Онколитическую активность очищенного препарата модельного вируса определяли на клетках меланомы мыши B16F10Red, экспрессирующих красный флуоресцентный белок. Предложенный метод позволяет получать очищенный вирусный препарат с высоким титром и с онколитической активностью; благодаря амплификации вирусных частиц в суспензионной культуре клеток HEK293, легко масштабируется и может в дальнейшем использоваться для получения других рекомбинантных онколитических вирусов на основе вируса везикулярного стоматита для иммунотерапии злокачественных опухолей.</p></trans-abstract><kwd-group xml:lang="en"><kwd>oncolytic viruses</kwd><kwd>vesicular stomatitis virus</kwd><kwd>cancer</kwd><kwd>melanoma</kwd><kwd>cytopathic effect</kwd><kwd>recombinant vesicular stomatitis virus</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>VSV</kwd><kwd>онколитические вирусы</kwd><kwd>онкологические заболевания</kwd><kwd>меланома</kwd><kwd>рекомбинантный вирус везикулярного стоматита</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>075-10-2021-093</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Pearl T., Markert J., Cassady K., Ghonime M. // Mol. 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