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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">vestim</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной  академии наук Беларуси. Серия медицинских наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Medical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-6023</issn><issn pub-type="epub">2524-2350</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1814-6023-2024-21-2-116-124</article-id><article-id custom-type="elpub" pub-id-type="custom">vestim-964</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>КЛИНИЧЕСКАЯ И ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL AND EXPERIMENTAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Эффективность новой системы адресной доставки тенектеплазы при остром инфаркте миокарда в эксперименте in vivo</article-title><trans-title-group xml:lang="en"><trans-title>Efficacy of a new system of targeted delivery of tenecteplase in acute myocardial infarction in an in vivo experiment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6572-8842</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Адзерихо</surname><given-names>И. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Adzerikho</surname><given-names>I. Е.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адзерихо Игорь Эдуардович – д-р мед. наук, профессор</p><p>ул. П. Бровки, 3/3, 220013, г. Минск</p></bio><bio xml:lang="en"><p>Ihar E. Adzerikho – D. Sc. (Med.), Professor</p><p>3/3, P. Browka Str., 220013, Minsk</p></bio><email xlink:type="simple">adzerikhoigor@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7218-3649</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агабеков</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Agabekov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Агабеков Владимир Енокович – академик, д-р хим. наук, профессор, заведующий отделом</p><p>ул. Ф. Скорины, 36, 220141, г. Минск</p></bio><bio xml:lang="en"><p>Vladimir E. Agabekov – Academician, D. Sc. (Chem.), Professor, Head of the Department</p><p>36, F. Skoryna Str., 220141, Minsk</p></bio><email xlink:type="simple">agabekov@ichnm.basnet.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0777-192X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Владимирская</surname><given-names>Т. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Vladimirskaya</surname><given-names>Т. Е.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимирская Татьяна Эрнстовна – канд. биол. наук, доцент, вед. науч. сотрудник</p><p>ул. П. Бровки, 3/3, 220013, г. Минск</p></bio><bio xml:lang="en"><p>Tat’yana E. Vladimirskaya ‒ Ph. D. (Biol.), Associate Professor, Leading Researcher</p><p>3/3, P. Browka Str., 220013, Minsk</p></bio><email xlink:type="simple">tan_2304@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дубатовка</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubatouka</surname><given-names>К. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дубатовка Екатерина Ивановна – мл. науч. сотрудник</p><p>ул. Ф. Скорины, 36, 220141, г. Минск</p></bio><bio xml:lang="en"><p>Katsiaryna I. Dubatouka – Junior Researcher</p><p>36, F. Skoryna Str., 220141, Minsk</p></bio><email xlink:type="simple">d_katerina@tut.by</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жилкевич</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhilkevich</surname><given-names>А. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жилкевич Алена Вячеславовна – мл. науч. сотрудник</p><p>ул. П. Бровки, 3/3, 220013, г. Минск</p></bio><bio xml:lang="en"><p>Aliona V. Zhilkevich – Junior Researcher</p><p>3/3, P. Browka Str., 220013, Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Belarusian State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химии новых материалов НАН Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>05</month><year>2024</year></pub-date><volume>21</volume><issue>2</issue><fpage>116</fpage><lpage>124</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Адзерихо И.Э., Агабеков В.Е., Владимирская Т.Э., Дубатовка Е.И., Жилкевич А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Адзерихо И.Э., Агабеков В.Е., Владимирская Т.Э., Дубатовка Е.И., Жилкевич А.В.</copyright-holder><copyright-holder xml:lang="en">Adzerikho I.Е., Agabekov V.E., Vladimirskaya Т.Е., Dubatouka К.I., Zhilkevich А.V.</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://vestimed.belnauka.by/jour/article/view/964">https://vestimed.belnauka.by/jour/article/view/964</self-uri><abstract><p>Разработана новая система адресной доставки тканевого активатора плазминогена тенектеплазы для восстановления коронарного кровотока при остром инфаркте миокарда в эксперименте на животных.</p><p>Новая система адресной доставки фибринолитика состоит из нативной («свободной») и инкапсулированной в липосомы («связанной») форм тенектеплазы (60 и 40 % соответственно), которые конъюгированы через карбоксилированный декстран с фибрин-специфичными моноклональными антителами Fnl-3С.</p><p>Установлены физико-химические характеристики полученных липосом, конъюгированных с фибрин-специфичными моноклональными антителами (иммунолипосомы) с тенектеплазой: гидродинамический диаметр ~76‒77 нм, дзета-потенциал ~(‒33) мВ, индекс полидисперсности ~0,55. Модификация липосом фибрин-специфичными моноклональными антителами не приводит к изменению активности тромболитика.</p><p>Выживаемость животных с острым инфарктом миокарда при использовании иммунолипосом составляет ~90 %, при применении липосомальной и нативной форм препарата – 80 %.</p><p>При использовании иммунолипосомальной системы доставки фибринолитика у животных с острым инфарктом миокарда свободный просвет инфаркт-связанной артерии увеличивается (p &lt; 0,05) на 26 % по сравнению с применением липосомальной системы и на 46 % по сравнению с использованием нативной тенектеплазы. При этом масса ишемизированного миокарда на фоне тромболитической терапии с применением иммунолипосом уменьшается (p &gt;&lt; 0,05) на 16 % по сравнению с таковой при использовании липосомальной системы и на 26 % при применении нативной тенектеплазы. Новая система адресной доставки тенектеплазы обеспечивает эффективный и безопасный тромболизис в эксперименте на животных&gt;&lt; 0,05) на 26 % по сравнению с применением липосомальной системы и на 46 % по сравнению с использованием нативной тенектеплазы. При этом масса ишемизированного миокарда на фоне тромболитической терапии с применением иммунолипосом уменьшается (p &lt; 0,05) на 16 % по сравнению с таковой при использовании липосомальной системы и на 26 % при применении нативной тенектеплазы. Новая система адресной доставки тенектеплазы обеспечивает эффективный и безопасный тромболизис в эксперименте на животных.&gt; &lt; 0,05) на 16 % по сравнению с таковой при использовании липосомальной системы и на 26 % при применении нативной тенектеплазы.</p><p> Новая система адресной доставки тенектеплазы обеспечивает эффективный и безопасный тромболизис в эксперименте на животных.</p></abstract><trans-abstract xml:lang="en"><p>A new system of targeted delivery of tissue plasminogen activator tenecteplase for restoration of coronary blood flow in acute myocardial infarction in animal experiments was developed.</p><p>The new system of targeted delivery of fibrinolytic consists of native (“free”) and encapsulated (“bound”) tenecteplase in liposomes, in the percentage ratio (60 and 40 %, respectively), which are conjugated through carboxylated dextran with fibrin-specific monoclonal antibodies Fnl-3C.</p><p>The physicochemical characteristics of the obtained liposomes conjugated with fibrin-specific monoclonal antibodies (immunoliposomes) with tenecteplase were determined: immunoliposomes have a hydrodynamic diameter of ~76‒77 nm, a zeta potential of ~(‒33) mV, a polydispersity index of ~0.55. Modification of liposomes with fibrin-specific monoclonal antibodies does not alter thrombolytic activity.</p><p>When using immunoliposomes the survival rate of animals with acute myocardial infarction is ~90 %, liposomal and native form of the drug ‒ 80 %.</p><p>The use of immunoliposomal delivery system in animals with acute myocardial infarction leads to an increase in the free lumen of the infarct-related artery (p &lt; 0.05) by 26 % compared to the liposomal delivery system and by 46 % compared to native tenecteplase. At the same time, the mass of ischemic myocardium on the background of thrombolytic therapy with&gt;&lt; 0.05) by 26 % compared to the liposomal delivery system and by 46 % compared to native tenecteplase. At the same time, the mass of ischemic myocardium on the background of thrombolytic therapy with immunoliposomes decreases (p &lt; 0.05) by 16 % in rats in comparison with the liposomal system and by 26 % in comparison with native tenecteplase. The new system of targeted delivery of tenecteplase provides effective and safe thrombolysis in animal experiment&gt; &lt; 0.05) by 16 % in rats in comparison with the liposomal system and by 26 % in comparison with native tenecteplase.</p><p>The new system of targeted delivery of tenecteplase provides effective and safe thrombolysis in animal experiment.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>острый инфаркт миокарда</kwd><kwd>тенектеплаза</kwd><kwd>липосомы</kwd><kwd>система адресной доставки</kwd><kwd>фибринспецифичные моноклональные антитела</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acute myocardial infarction</kwd><kwd>tenecteplase</kwd><kwd>liposomes</kwd><kwd>targeted delivery system</kwd><kwd>fibrin-specific monoclonal antibodies</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках проекта «Разработать метод адресной доставки лекарственных средств для тромболитической терапии острого инфаркта миокарда» ГПНИ «Фундаментальные и прикладные науки – медицине» (2019/2021 гг.). Авторы выражают особую благодарность Министру здравоохранения Республики Беларусь Пиневичу Дмитрию Леонидовичу за поддержку и постоянное внимание к выполнению данного проекта.</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the project “Develop a method for targeted delivery of drugs for thrombolytic therapy of acute myocardial infarction” of the State Public Research Institute “Basic and Applied Sciences – Medicine” (2019/2021). The authors are very grateful to the Minister of Heathcare of the Republic of Belarus Pinevich Dmitry Leonidovich for support and constant attention to the implementation of this project.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Global Regional, and National Burden of Cardiovascular Diseases for 10 Causes, 1990 to 2015 / G. A. Roth [et al.] // J. Am. Coll. 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