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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">ssmu</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень сибирской медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Siberian Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-0363</issn><issn pub-type="epub">1819-3684</issn><publisher><publisher-name>Siberian State Medical University, the Ministry of Healthcare of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20538/1682-0363-2021-4-6-10</article-id><article-id custom-type="elpub" pub-id-type="custom">ssmu-4573</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Участие протеинкиназы С и PI3-киназы в механизме кардиопротекторного эффекта дистантного посткондиционирования</article-title><trans-title-group xml:lang="en"><trans-title>The role of protein kinase C and PI3-kinase in the mechanism of the cardioprotective effect of remote ischemic postconditioning</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1808-556X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухомедзянов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhomedzyanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>мл. науч. сотрудник, лаборатория экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>111а, Kievskaya Str., Tomsk, 634012</p></bio><email xlink:type="simple">sasha_m91@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/0000-0003-2264-1928</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нарыжная</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Naryzhnaya</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, вед. науч. сотрудник, лаборатория экспериментальной кардиологии,</p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>111а, Kievskaya Str., Tomsk, 634012</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6020-1598</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маслов</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Maslov</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, профессор, зав. лабораторией экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>111а, Kievskaya Str., Tomsk, 634012</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт (НИИ) кардиологии, Томский национальный исследовательский медицинский центр (НИМЦ) Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cardiology Research Institute, Tomsk National Research Medical Center (NRMC), Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>01</month><year>2022</year></pub-date><volume>20</volume><issue>4</issue><fpage>6</fpage><lpage>10</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мухомедзянов А.В., Нарыжная Н.В., Маслов Л.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Мухомедзянов А.В., Нарыжная Н.В., Маслов Л.Н.</copyright-holder><copyright-holder xml:lang="en">Mukhomedzyanov A.V., Naryzhnaya N.V., Maslov L.N.</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://bulletin.ssmu.ru/jour/article/view/4573">https://bulletin.ssmu.ru/jour/article/view/4573</self-uri><abstract><sec><title>Введение</title><p>Введение. Острый инфаркт миокарда (ОИМ) с подъемом сегмента ST отличается высокой частотой осложнений. Смертность от ОИМ составляет около 5% и в последние годы не снижается. Реваскуляризация обеспечивает восстановление коронарного кровотока, но также способствует возникновению реперфузионных повреждений сердца. Дистантное посткондиционирование (ДПост) является многообещающим неинвазивным методом, способным эффективно и безопасно уменьшить размер инфаркта миокарда.</p><p>Цель – изучение участия протеинкиназы С и PI3-киназы в реализации инфаркт-лимитирующего эффекта ДПост.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследование выполнено на 48 самцах крыс линии Вистар. Осуществляли коронароокклюзию (45 мин) и реперфузию (2 ч). Оценивали размер зоны некроза и зоны риска. Дистантное посткондиционирование моделировали путем наложения жгутов на задние конечности в области тазобедренного сустава сразу послу восстановления коронарного кровотока. Все ингибиторы вводили внутривенно за 10 мин до реперфузии.</p></sec><sec><title>Результаты</title><p>Результаты. В контрольной группе отношение зона инфаркта/зона риска (ЗИ/ЗР) составило 44%. Дистантное посткондиционирование уменьшало соотношение ЗИ/ЗР в 1,5 раза. Предварительное введение ингибитора протеинкиназы С хелеритрина или ингибитора PI3-киназы вортманнина устраняло кардиопротекторный эффект ДПост.</p></sec><sec><title>Заключение</title><p>Заключение. Механизм инфаркт-лимитирующего эффекта ДПост реализуется через активацию протеинкиназы С, PI3-киназы. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Acute myocardial infarction (AMI) with ST segment elevation is associated with high incidence of complications. Mortality from AMI is about 5%, which has not decreased in recent years. Revascularization provides recovery of coronary blood flow, but also contributes to the occurrence of reperfusion injury to the heart. Remote ischemic postconditioning (RIPostC) is a promising, non-invasive method that can effectively and safely reduce the infarct size.</p><p>The aim of the study was to investigate the role of protein kinase C and PI3-kinase in the development of the infarct-limiting effect of remote ischemic postconditioning.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was performed on Wistar rats. Coronary artery occlusion (45 min) and reperfusion (2 h) were performed. The infarct size (IS) and the size of area at risk (AAR) were assessed. RIPostC was modeled by applying tourniquets to the hind limbs in the hip joint immediately after the restoration of coronary blood flow. All inhibitors were administered intravenously 10 min before reperfusion.</p></sec><sec><title>Results</title><p>Results. In the control group, the IS / AAR ratio was 44%. RIPostC reduced the IS / AAR ratio by about 50%. Preliminary administration of the protein kinase C inhibitor chelerythrine and the PI3-kinase inhibitor wortmannin eliminated the cardioprotective effect of RIPostC.</p></sec><sec><title>Conclusion</title><p>Conclusion. The mechanism of the infarct-limiting effect of RIPostC is implemented through activation of protein kinase C and PI3-kinase. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сердце</kwd><kwd>ишемия</kwd><kwd>реперфузия</kwd><kwd>дистантное посткондиционирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heart</kwd><kwd>ischemia</kwd><kwd>reperfusion</kwd><kwd>remote ischemic postconditioning</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена при поддержке гранта РФФИ № 21-515-53003. Раздел, посвященный PI3, оформлен в рамках государственных назначений AAAA-A15-115120910024-0. 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