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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">mes</journal-id><journal-title-group><journal-title xml:lang="ru">Экстремальная биомедицина</journal-title><trans-title-group xml:lang="en"><trans-title>Extreme Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3033-8964</issn><issn pub-type="epub">3033-8972</issn><publisher><publisher-name>Centre for Strategic Planning of the Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47183/mes.2021.011</article-id><article-id custom-type="elpub" pub-id-type="custom">mes-135</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>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ ФАРМАКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH PHARMACOLOGY</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности аминокислотно-пептидного комплекса при внутрижелудочном введении золотистым хомякам, экспериментально зараженным SARS-CоV-2</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of efficacy of the amino acid-peptide complex administered intragastrically to golden hamsters experimentally infected with SARS-CoV-2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лаптев</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Laptev</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис Сергеевич Лаптев</p><p>ст. Капитолово, корп. 93, г. п. Кузьмоловский, Всеволожский район, 188663</p></bio><bio xml:lang="en"><p>Denis S. Laptev</p><p>Kapitolovo, str. 93, r.p. Kuzmolovsky, Vsevolozhsky r., 188663</p></bio><email xlink:type="simple">lapden@mail.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>Протасова</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Protasova</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская область</p></bio><bio xml:lang="en"><p>Leningrad region</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петунов</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Petunov</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская область</p></bio><bio xml:lang="en"><p>Leningrad region</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Радилов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Radilov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ленинградская область</p></bio><bio xml:lang="en"><p>Leningrad region</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чепур</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chepur</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гоголевский</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gogolevskiy</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мясников</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Myasnikov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюнин</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyunin</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Научно-исследовательский институт гигиены, профпатологии и экологии человека Федерального медико-биологического агентства</institution><country>Russian Federation</country></aff><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт гигиены, профпатологии и экологии человека Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Hygiene, Occupational Pathology and Human Ecology under FMBA</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Государственный научно-исследовательский испытательный институт военной медицины Министерства обороны</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Research and Testing Military Medicine Institute under the Ministry of Defense of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2024</year></pub-date><volume>23</volume><issue>2</issue><fpage>20</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лаптев Д.С., Протасова Г.А., Петунов С.Г., Радилов А.С., Чепур С.В., Гоголевский А.С., Мясников В.А., Тюнин М.А., Смирнова А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Лаптев Д.С., Протасова Г.А., Петунов С.Г., Радилов А.С., Чепур С.В., Гоголевский А.С., Мясников В.А., Тюнин М.А., Смирнова А.В.</copyright-holder><copyright-holder xml:lang="en">Laptev D.S., Protasova G.A., Petunov S.G., Radilov A.S., Chepur S.V., Gogolevskiy A.S., Myasnikov V.A., Tyunin M.A., Smirnova A.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://www.extrememedicine.ru/jour/article/view/135">https://www.extrememedicine.ru/jour/article/view/135</self-uri><abstract><p>Распространение коронавирусной инфекции до масштабов мировой пандемии и отсутствие эффективных средств патогенетической терапии COVID-19 являются вызовом для всей фармакологической отрасли. Целью данной работы было оценить эффективность лечебно-профилактического применения аминокислотно-пептидного комплекса (АПК) на самцах сирийских хомяков, подвергнутых заражению SARS-CoV-2 интраназальным введением 26 мкл культуры вируса титром 4 × 104 ТЦД50/мл. Лечебно-профилактическое применение АПК позволяет снизить поражение легких при моделировании COVID-19. Меньший, по сравнению с группой положительного контроля, на 15,2% (тенденция) весовой коэффициент легких свидетельствует о менее выраженном их отеке. Результаты микроскопического исследования показали отсутствие альвеолярного отека, атипичных гипертрофированных форм альвеолоцитов II типа, фибринизации легочной паренхимы. Отмечено усиление макрофагальной реакции, которое, вероятно, является отражением активации АПК регенераторных процессов в тканях легких. В селезенке животных, получавших АПК в лечебно-профилактических целях, выявлена меньшая степень гиперемии с участками кровоизлияний. Отсутствие статистически значимой (p &lt; 0,05) отрицательной динамики массы тела при лечебно- профилактическом применении АПК отражает снижение общей тяжести течения заболевания COVID-19. Использование АПК по лечебной схеме после заражения SARS-CoV-2 оказалось неэффективным. Таким образом, применение препарата на основе АПК в качестве лечебно-профилактического средства вызывает снижение отека легких и уменьшение морфологических признаков повреждения легочной ткани у самцов сирийских хомяков, подвергнутых заражению SARS-CoV-2.</p></abstract><trans-abstract xml:lang="en"><p>The development of coronavirus infection outbreak into a pandemic, coupled with the lack of effective COVID-19 therapies, is a challenge for the entire pharmaceutical industry. This study aimed to assess the treatment and preventive efficacy of the amino acid-peptide complex (APC) in male Syrian hamsters infected with SARS-CoV-2 (intranasal administration of 26 μl of the virus culture, titer of 4 × 104 TCD50/ml). In a modeled COVID-19 case, APC administered for treatment and preventive purposes reduced lung damage. Compared to the positive control group, test group had the lung weight factor 15.2% smaller (trend), which indicates a less pronounced edema. Microscopic examination revealed no alveolar edema, atypical hypertrophied forms of type II alveolocytes, pulmonary parenchyma fibrinization. The macrophage reaction intensified, which is probably a result of the APC-induced activation of regenerative processes in the lung tissues. Spleens of the animals that received APC for therapeutic and preventive purposes were less engorged and had fewer hemorrhages. The decrease of body weight of the test animals that received APC for treatment and prevention was insignificant (p &lt; 0.05), which indicates a less severe course of COVID-19. Administered following a purely therapeutic protocol, APC proved ineffective against SARS-CoV-2 post-infection. Thus, APC-based drug used as a therapeutic and preventive agent reduces pulmonary edema and makes morphological signs of lung tissue damage less pronounced in male Syrian hamsters infected with SARS-CoV-2.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>отек легких</kwd><kwd>атипичные пневмоциты</kwd><kwd>сирийские хомяки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>pulmonary edema</kwd><kwd>atypical pneumocytes</kwd><kwd>Syrian hamsters</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Zhou P., Yang X.L., Wang X.G., Hu B., Zhang L., Zhang W. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020; 579: 270–73.</mixed-citation><mixed-citation xml:lang="en">Zhou P., Yang X.L., Wang X.G., Hu B., Zhang L., Zhang W. A pneumonia outbreak associated with a new coronavirus of probable bat origin. 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