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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">27566</article-id><article-id pub-id-type="doi">10.32607/actanaturae.27566</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">The design, synthesis, and evaluation of the biological activity of hydroxamic derivatives of sorafenib</article-title><trans-title-group xml:lang="ru"><trans-title>Дизайн, синтез и оценка биологической активности гидроксамовых производных сорафениба</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kleymenova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Клеймёнова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abramov</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Абрамов</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tkachev</surname><given-names>Ya. V.</given-names></name><name xml:lang="ru"><surname>Ткачев</surname><given-names>Я. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Galeeva</surname><given-names>P. S.</given-names></name><name xml:lang="ru"><surname>Галеева</surname><given-names>П. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kleymenova</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Клеймёнова</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zakirova</surname><given-names>N. F.</given-names></name><name xml:lang="ru"><surname>Закирова</surname><given-names>Н. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kochetkov</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Кочетков</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozlov</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Козлов</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kozlovmavi@gmail.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. Энгельгардта РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Sechenov 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="2025-10-14" publication-format="electronic"><day>14</day><month>10</month><year>2025</year></pub-date><volume>17</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>56</fpage><lpage>66</lpage><history><date date-type="received" iso-8601-date="2024-11-26"><day>26</day><month>11</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-05-13"><day>13</day><month>05</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Kleymenova A.A., Abramov I.A., Tkachev Y.V., Galeeva P.S., Kleymenova V.A., Zakirova N.F., Kochetkov S.N., Kozlov M.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Клеймёнова A.A., Абрамов И.А., Ткачев Я.В., Галеева П.С., Клеймёнова В.А., Закирова Н.Ф., Кочетков С.Н., Козлов М.В.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Kleymenova A.A., Abramov I.A., Tkachev Y.V., Galeeva P.S., Kleymenova V.A., Zakirova N.F., Kochetkov S.N., Kozlov M.V.</copyright-holder><copyright-holder xml:lang="ru">Клеймёнова A.A., Абрамов И.А., Ткачев Я.В., Галеева П.С., Клеймёнова В.А., Закирова Н.Ф., Кочетков С.Н., Козлов М.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/27566">https://actanaturae.ru/2075-8251/article/view/27566</self-uri><abstract xml:lang="en"><p>Sorafenib is a multiple tyrosine kinase inhibitor that is used in the treatment of liver and renal cancers. We synthesized the hydroxamic derivatives of sorafenib bearing the pharmacophore elements of zinc-dependent histone deacetylase inhibitors. We uncovered that suppression of cancer cell proliferation by the synthesized hybrid inhibitors critically depends on the structure of the “deacetylase” element.</p></abstract><trans-abstract xml:lang="ru"><p>Получены гидроксамовые производные ингибитора тирозиновых протеинкиназ сорафениба, в структуру которого были введены элементы фармакофора ингибиторов цинкзависимых гистондеацетилаз. Показано, что подавление пролиферации опухолевых клеток полученными гибридными ингибиторами критически зависит от структуры «деацетилазной» компоненты.</p></trans-abstract><kwd-group xml:lang="en"><kwd>sorafenib</kwd><kwd>vorinostat</kwd><kwd>protein tyrosine kinases</kwd><kwd>zinc-dependent histone deacetylases</kwd><kwd>antiproliferative activity</kwd><kwd>hybrid inhibitors</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сорафениб</kwd><kwd>вориностат</kwd><kwd>тирозиновые протеинкиназы</kwd><kwd>цинкзависимые гистондеацетилазы</kwd><kwd>антипролиферативная активность</kwd><kwd>гибридные ингибиторы</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap></funding-source><award-id>23-24-00542</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Fan G., Wei X., Xu X. // Ther. 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