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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">Molecular Biology</journal-id><journal-title-group><journal-title xml:lang="en">Molecular Biology</journal-title><trans-title-group xml:lang="ru"><trans-title>Молекулярная биология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0026-8984</issn><issn publication-format="electronic">3034-5553</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">699680</article-id><article-id pub-id-type="doi">10.7868/S3034555325060086</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>МОЛЕКУЛЯРНАЯ БИОЛОГИЯ КЛЕТКИ</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">Newcastle Disease Virus Vaccine Strain H as a Potential Oncolytic Agent in Ovarian Cancer Therapy</article-title><trans-title-group xml:lang="ru"><trans-title>ИССЛЕДОВАНИЕ ОНКОЛИТИЧЕСКОГО ПОТЕНЦИАЛА ВАКЦИННОГО ШТАММА Н ВИРУСА БОЛЕЗНИ НЬЮКАСЛА В ТЕРАПИИ РАКА ЯИЧНИКА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sarkisova</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Саркисова</surname><given-names>В. А.</given-names></name></name-alternatives><bio xml:lang="en"><p>Biology Faculty</p></bio><bio xml:lang="ru"><p>Биологический факультет</p></bio><email>chumakovpm@yahoo.com</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>Karshieva</surname><given-names>S. Sh.</given-names></name><name xml:lang="ru"><surname>Каршиева</surname><given-names>С. Ш.</given-names></name></name-alternatives><email>chumakovpm@yahoo.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Makarova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Макарова</surname><given-names>А. А.</given-names></name></name-alternatives><email>chumakovpm@yahoo.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Neymysheva</surname><given-names>D. O.</given-names></name><name xml:lang="ru"><surname>Неймышева</surname><given-names>Д. О.</given-names></name></name-alternatives><email>chumakovpm@yahoo.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chumakov</surname><given-names>P. M.</given-names></name><name xml:lang="ru"><surname>Чумаков</surname><given-names>П. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>chumakovpm@yahoo.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Engelhardt Institute of Molecular Biology, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт молекулярной биологии им. В.А. Энгельсардта Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">Московский государственный университет им. М.В. Ломоносова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Blokhin National Medical Research Center of Oncology, Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт экспериментальной диагностиции и терапии опухолей, Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина Министерства здравоохранения Российской Федерации</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-25" publication-format="electronic"><day>25</day><month>12</month><year>2025</year></pub-date><volume>59</volume><issue>6</issue><issue-title xml:lang="en">VOL 59, NO6 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 59, №6 (2025)</issue-title><fpage>979</fpage><lpage>987</lpage><history><date date-type="received" iso-8601-date="2025-12-27"><day>27</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-12-25"/></permissions><self-uri xlink:href="https://vietnamjournal.ru/0026-8984/article/view/699680">https://vietnamjournal.ru/0026-8984/article/view/699680</self-uri><abstract xml:lang="en"><p>Ovarian cancer remains one of the most lethal malignancies with a five-year survival rate around 20% at III–IV stages, which determines the urgent need to develop new therapeutic approaches. Newcastle disease virus (NDV) demonstrated considerable promise as an oncolytic agent, capable of selectively lysing tumor cells, suppressing the metastatic potential and stimulating anti-tumor immunity. Despite the established therapeutic potential, studies that investigate oncolytic properties of this virus within the context of ovarian cancer remain limited. In this work, we evaluated oncolytic activity of the NDV vaccine strain H in SC-OV-3, TOV-21G and OV-90 ovarian cancer cell lines. Such parameters as ability to support viral replication and cell viability after infection were investigated. As a result, all three lines were permissive to NDV-H infection. Therapeutic efficacy in vivo was assessed using a model of TOV-21G subcutaneous xenografts in BALB/c nude mice. Upon intravenous administration of the virus, a statistically significant reduction in tumor volume was observed compared to the control group. Based on these results, NDV-H strain can be considered as a potential oncolytic agent for the treatment of ovarian cancer.</p></abstract><trans-abstract xml:lang="ru"><p>Рак яичников остается одним из наиболее летальных онкологических заболеваний с пятилетней выживаемостью не более 20% на III–IV стадиях. Отсутствие существенных успехов в лечении этого типа рака обусловливает необходимость в разработке новых терапевтических подходов, одним из которых является виротерапия. Вирус болезни Ньюкасла (ВБН) – перспективный представитель онколитических вирусов, способный селективно лизировать опухолевые клетки, подавлять метастатический процесс и стимулировать противопухолевый иммунитет. Несмотря на доказанный терапевтический потенциал ВБН, исследований по онколитическим свойствам этого вируса при раке яичников немного. В представленной работе впервые проведена оценка онколитической активности вакцинного штамма ВБН-Н в клеточных линиях рака яичников: SK-OV-3, TOV-21G и OV-90. Проанализированы такие параметры, как выживаемость клеток и их способность поддерживать репликацию вируса с последующей оценкой инфекционного титра. Обнаружено, что все исследованные линии перииссивны к инфекции. Также мы оценили терапевтическую эффективность ВБН-Н в модели подкожных ксенографитов линии TOV-21G в иммунодефицитных мышах BALB/c nude. При внутривенном введении вируса регистрировали статистически значимое уменьшение объема опухоли по сравнению с контрольной группой. На основании полученных данных можно рассматривать штамм ВБН-Н в качестве потенциального онколитического агента в терапии рака яичников.</p></trans-abstract><kwd-group xml:lang="en"><kwd>oncolytic viruses</kwd><kwd>Newcastle disease virus</kwd><kwd>ovarian cancer</kwd><kwd>virotherapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>онколитические вирусы</kwd><kwd>вирус болезни Ньюкасла</kwd><kwd>рак яичников</kwd><kwd>виротерапия</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование было поддержано грантом Российского научного фонда (№ 23-14-00370) и Федеральной программой развития генетических технологий, соглашение № 075-15-2025-519.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Webb P.M., Jordan S.J. (2024) Global epidemiology of epithelial ovarian cancer. <italic>Nat. Rev. Clin. 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