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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">I.P. Pavlov Journal of Higher Nervous Activity</journal-id><journal-title-group><journal-title xml:lang="en">I.P. Pavlov Journal of Higher Nervous Activity</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал высшей нервной деятельности им. И.П. Павлова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-4677</issn><issn publication-format="electronic">3034-5316</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">652112</article-id><article-id pub-id-type="doi">10.31857/S0044467724010107</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</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">Anti-EGFR aptameric construct GR20HH for controllable delivery of doxorubicin into glioblastoma cells</article-title><trans-title-group xml:lang="ru"><trans-title>Использование анти-EGFR аптамерной конструкции GR20hh для регулируемой доставки доксорубицина в клетки глиобластомы пациента</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>B. M.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Б. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Chemistry Department</p></bio><bio xml:lang="ru"><p>химический факультет</p></bio><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Antipova</surname><given-names>O. M.</given-names></name><name xml:lang="ru"><surname>Антипова</surname><given-names>О. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Chemistry Department</p></bio><bio xml:lang="ru"><p>химический факультет</p></bio><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sliman</surname><given-names>Y. A.</given-names></name><name xml:lang="ru"><surname>Слиман</surname><given-names>Я. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Samoylenkova</surname><given-names>N. S.</given-names></name><name xml:lang="ru"><surname>Самойленкова</surname><given-names>Н. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pronin</surname><given-names>I. N.</given-names></name><name xml:lang="ru"><surname>Пронин</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pavlova</surname><given-names>G. V.</given-names></name><name xml:lang="ru"><surname>Павлова</surname><given-names>Г. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kopylov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Копылов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Chemistry Department</p></bio><bio xml:lang="ru"><p>химический факультет</p></bio><email>ivanovb661@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><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="aff2"><aff><institution xml:lang="en">Burdenko National Medical Research Center of Neurosurgery, Ministry of Healthcare of Russia</institution></aff><aff><institution xml:lang="ru">ФГАУ “Национальный медицинский исследовательский центр нейрохирургии им. академика Н. Н. Бурденко” Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Moscow institute of physics and technology, national research university</institution></aff><aff><institution xml:lang="ru">Московский физико-технический институт (национальный исследовательский университет)</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Higher Nervous Activity and Neurophysiology of Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФБГУН “Институт высшей нервной деятельности и нейрофизиологии РАН”</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Sechenov First Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И. М. Сеченова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-07-10" publication-format="electronic"><day>10</day><month>07</month><year>2024</year></pub-date><volume>74</volume><issue>1</issue><fpage>100</fpage><lpage>108</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0044-4677/article/view/652112">https://innoscience.ru/0044-4677/article/view/652112</self-uri><abstract xml:lang="en"><p>This publication describes research on a possibility of controllable delivery of doxorubicin (DOX) into glioblastoma (GB) cells, being inside non-covalent construct with anti-EGFR DNA aptamer by intercalating into artificially created duplex. The construct has been made with previously described DNA aptamer GR20 (46 nucleotides), with 3’-end 18 nucleotides extension (GR20h), which was hybridized with the complementary DNA oligonucleotides (h).</p> <p>The duplex assembly is effective, the construct GR20hh is stable at 37 ºС, Tm = 59 ºС. DOX is intercalated into the construct. By applying xCelligence Real-Time Cell Analysis (RTCA) combined with self-created data processing, it has been shown that during a treatment of cell culture DOX, inside the non-covalent construct GR20hh – DOX, saves cytotoxic ability, though a kinetics of toxic action of the complex on GB cells is completely different from the kinetics of DOX along.</p> <p>The unique approach and the data are the bases for a development of both a regulation and a targeting of DOX cytotoxic activity toward specific GB cells.</p></abstract><trans-abstract xml:lang="ru"><p>В данной статье представлено исследование возможности регулируемой доставки доксорубицина (ДОКС) в клетки глиобластомы (ГБ) в составе нековалентной конструкции с ДНК-аптамером, специфичным к EGFR, путем интеркаляции в искусственно созданный дуплекс. Конструкция представляла собой ранее описанный ДНК-аптамер GR20 (46 нуклеотидов), удлиненный на 18 нуклеотидов с 3’-конца (GR20h), который гибридизовали с комплементарным ДНК-олигонуклеотидом (h). Сборка дуплекса происходит эффективно, полученная конструкция GR20hh стабильна при 37 °C, Тпл = 59 °C. В конструкцию интеркалирован ДОКС. С помощью метода xCelligence, с оригинальной обработкой данных, обнаружено, что при добавлении в культуру клеток ДОКС, в составе нековалентной конструкции GR20hh-ДОКС, сохраняет цитотоксические свойства, однако кинетика действия комплекса на клетки ГБ оказалась принципиально отличной от действия чистого ДОКСа. Уникальный подход и полученные c его помощью данные открывают возможности для регулирования цитотоксической активности ДОКС и разработки методов направленного действия на клетки-мишени ГБ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>doxorubicin</kwd><kwd>glioblastoma</kwd><kwd>aptamer</kwd><kwd>targeted delivery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>доксорубицин</kwd><kwd>глиобластома</kwd><kwd>аптамер</kwd><kwd>таргетная доставка</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</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>075–15–2021–1343</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ai S., Duan J., Liu X., Bock S., Tian Y., Huang Z. 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