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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Problems of Virology</journal-id><journal-title-group><journal-title xml:lang="en">Problems of Virology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы вирусологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0507-4088</issn><issn publication-format="electronic">2411-2097</issn><publisher><publisher-name xml:lang="en">Central Research Institute for Epidemiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">12079</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Aprotinin-induced inhibition of pandemic influenza virus A(H1N1) reproduction</article-title><trans-title-group xml:lang="ru"><trans-title>Ингибирование репродукции пандемического вируса гриппа Н1N1 апротинином</trans-title></trans-title-group></title-group><pub-date date-type="pub" iso-8601-date="2011-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2011</year></pub-date><volume>56</volume><issue>3</issue><issue-title xml:lang="en">NO3 (2011)</issue-title><issue-title xml:lang="ru">№3 (2011)</issue-title><fpage>24</fpage><lpage>28</lpage><history><date date-type="received" iso-8601-date="2023-06-09"><day>09</day><month>06</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2011, Zhirnov O.P., Klenk H.D., Zhirnov O.P., Klenk H.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2011, Жирнов О.П., Klenk H.D., Zhirnov O.P., Klenk H.D.</copyright-statement><copyright-year>2011</copyright-year><copyright-holder xml:lang="en">Zhirnov O.P., Klenk H.D., Zhirnov O.P., Klenk H.D.</copyright-holder><copyright-holder xml:lang="ru">Жирнов О.П., Klenk H.D., Zhirnov O.P., Klenk H.D.</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://virusjour.crie.ru/jour/article/view/12079">https://virusjour.crie.ru/jour/article/view/12079</self-uri><abstract xml:lang="en"><p>Infectivity of pandemic influenza virus A(H1N1) infectivity is shown to be activated through proteolytic cleavage of hemagglutinin HA0 → HA1 + HA2 during virus propagation in the human intestinal cell line Caco-2 and chicken embryonated eggs. Injection of aprotinin, a natural serine protease inhibitor, into the liquid culture or allantoic cavity of chicken embryos inhibited the proteolysis of the viral HA0 and suppressed the proteolytic activation of the synthesized virus and its multicycle replication. These data allow aprotinin to be recommended as an antiviral drug for the treatment of swine influenza in humans.</p></abstract><trans-abstract xml:lang="ru"><p>Показано, что инфекционность пандемического вируса гриппа H1N1 активируется посредством протеолитического нарезания гемагглютинина НА0 → НА1 + НА2 при размножении в культуре клеток кишечника человека Сасо-2 и куриных эмбрионах. Инъекция апротинина - природного ингибитора сериновых протеаз - в культуральную жидкость или аллантоисную полость эмбрионов ингибировала протеолиз вирусного белка НА0 и подавляла протеолитическую активацию синтезируемого вируса и его многоцикловую репликацию. Эти данные позволяют рекомендовать апротинин в качестве противовирусного средства для терапии свиного гриппа у людей.</p></trans-abstract><kwd-group xml:lang="en"><kwd>influenza virus A(H1N1)</kwd><kwd>reproduction</kwd><kwd>aprotinin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>вирус гриппа H1N1</kwd><kwd>репродукция</kwd><kwd>апротинин</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Голяндо П. Б., Овчаренко А. В., Жирнов О. П. Ингибирование репродукции вируса гриппа В апротинином // Вопр. вирусол. - 1992. - Т. 37, № 3. - С. 144-146.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Жирнов О. П. Протеолитическая активация миксовирусов и новая стратегия в лечении вирусных заболеваний // Вопр. вирусол. - 1983. - № 4. - С. 9-21.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Жирнов О. П., Овчаренко А. В., Голяндо П. Б. и др. 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