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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2024-9.1.22</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-4616</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>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Восстановление нарушенной метаболическим синдромом адаптационной кардиопротекции у  крыс путём активации PPARα</article-title><trans-title-group xml:lang="en"><trans-title>Restoration of  adaptive cardioprotection impaired by  metabolic syndrome in  rats by  the  PPARα activation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2264-1928</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>Нарыжная Наталья Владимировна – доктор медицинских наук, ведущий научный сотрудник лаборатории экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Natalia  V. Naryzhnaya – Dr.  Sc. (Med.), Leading Research Officer at  the  Laboratory of  Experimental Cardiology, </p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">natalynar@yandex.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/0000-0003-1998-0873</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деркачев</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Derkachev</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Деркачев Иван Андреевич – аспирант, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Ivan A. Derkachev – Postgraduate, </p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">vanya.derkachev@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/0000-0001-9603-822X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курбатов</surname><given-names>Б. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurbatov</surname><given-names>B. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курбатов Борис Константинович – младший научный сотрудник лаборатории экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Boris K. Kurbatov – Junior Research Officer at the Laboratory of Experimental Cardiology, </p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">bobersanker@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4502-0836</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сиротина</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sirotina</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сиротина Мария Александровна – младший научный сотрудник лаборатории экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Maria A. Sirotina – Junior Research Officer at the Laboratory of Experimental Cardiology, </p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">sirotina_maria@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/0000-0002-4300-5763</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Килин</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kilin</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Килин Михаил – лаборант лаборатории экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Mikhail Kilin – Laboratory Assistant at the Laboratory of Experimental Cardiology, </p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">Kilin112233@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6020-1598</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>Маслов Леонид Николаевич – доктор медицинских наук, профессор, заведующий лабораторией экспериментальной кардиологии, </p><p>634012, г. Томск, ул. Киевская, 111а</p></bio><bio xml:lang="en"><p>Leonid N. Maslov – Dr. Sc. (Med.), Professor, Head of the Laboratory of Experimental  Cardiology,</p><p>Kievskaya str. 111A, Tomsk 634012</p></bio><email xlink:type="simple">Maslov@cardio-tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт кардиологии, Томский национальный&#13;
исследовательский медицинский центр Российской академии наук</institution></aff><aff xml:lang="en"><institution>Cardiology Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>03</month><year>2024</year></pub-date><volume>9</volume><issue>1</issue><fpage>222</fpage><lpage>232</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нарыжная Н.В., Деркачев И.А., Курбатов Б.К., Сиротина М.А., Килин М., Маслов Л.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Нарыжная Н.В., Деркачев И.А., Курбатов Б.К., Сиротина М.А., Килин М., Маслов Л.Н.</copyright-holder><copyright-holder xml:lang="en">Naryzhnaya N.V., Derkachev I.A., Kurbatov B.K., Sirotina M.A., Kilin M., 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://www.actabiomedica.ru/jour/article/view/4616">https://www.actabiomedica.ru/jour/article/view/4616</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Известно, что  протекторное действие адаптационных и  кондиционирующих воздействий ослаблено у  животных с  метаболическим синдромом (МетС). МетС может лежать в основе неэффективности кардиопротекции в клинических условиях.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Выявить взаимосвязь между нарушением углеводного и липидного обмена и снижением эффективности инфаркт-лимитирующего влияния умеренной хронической нормобарической гипоксии (ХНГ); проверить возможность коррекции сниженной кардиопротекции путём нормализации углеводного и липидного обменов.</p></sec><sec><title>Методы</title><p>Методы. В исследование включено 64 крысы линии Wistar. МетС вызывали кормлением животных высокоуглеводной высокожировой диетой в течение 84 дней. ХНГ проводили в течение 21 дня в режиме: 12 % О2 : 0,3 % СО2. В питьевую воду крысам с МетС добавляли метформин в дозе 200 мг/кг/сут. или агонист PPARα WY14643 в дозе 1 мг/кг/сут. в течение адаптации к гипоксии. Проводили 45-минутную коронароокклюзию и 120-минутную реперфузию, определяли размер инфаркта. В сыворотке крови исследовали показатели липидного и углеводного обменов, лептин, адипонектин.</p></sec><sec><title>Результаты</title><p>Результаты. Инфаркт-лимитирующий эффект ХНГ оказался ослаблен у  животных с  МетС. Размер инфаркта показал прямую корреляционную взаимосвязь со снижением толерантности к глюкозе и содержанием триглицеридов в сыворотке крови. Применение терапии метформином не привело к восстановлению инфаркт-лимитирующего эффекта ХНГ, в то время как  нормализация липидного обмена при  использовании агониста PPARα WY14643 скорректировала нарушение адаптационной кардиопротекции при метаболическом синдроме у крыс.</p></sec><sec><title>Заключение</title><p>Заключение. Отсутствие кардиопротекции при ХНГ у крыс с МетС связано с нарушением углеводного и липидного обменов. Агонист PPARα восстанавливает нарушенный липидный обмен и адаптационную кардиопротекцию.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. It is known that the protective effect of adaptation and conditioning influence is weakened in animals with metabolic syndrome. Metabolic syndrome may be the basis for the failure of cardioprotection in clinical settings.</p></sec><sec><title>The aim of the study</title><p>The aim of the study. To identify the relationship between disorder in carbohydrate and lipid metabolism and a decrease in the effectiveness of the infarct-limiting effect of moderate chronic normobaric hypoxia; to check the possibility of correcting reduced cardioprotection by normalizing carbohydrate and lipid metabolism.</p></sec><sec><title>Methods</title><p>Methods. The  study included 64  Wistar rats. Metabolic syndrome was  induced by feeding animals a high-carbohydrate, high-fat diet for 84 days. Chronic normobaric hypoxia was carried out for 21 days in the following mode: 12 % O2 : 0.3 % CO2. Metformin at  a  dose of  200  mg/kg/day or  PPARα agonist WY14643 at  a  dose of 1 mg/kg/day were added to the drinking water of rats with metabolic syndrome during adaptation period to hypoxia. A 45-minute coronary occlusion and 120-minute reperfusion were performed, and the infarct size was determined. Indicators of lipid and carbohydrate metabolism, leptin, and adiponectin were studied in the blood serum.</p></sec><sec><title>Results</title><p>Results. The infarct-limiting effect of chronic normobaric hypoxia was weakened in animals with metabolic syndrome. Infarct size showed a direct correlation with decreased glucose tolerance and serum triglyceride levels. Using metformin therapy did not lead to the restoration of the infarct-limiting effect of chronic normobaric hypoxia, while the  normalization of  lipid metabolism with the  use of  the  PPARα agonist WY14643 corrected the  impairment of  adaptive cardioprotection in  rats with metabolic syndrome.</p></sec><sec><title>Conclusion</title><p>Conclusion. The  lack of  cardioprotection at  chronic normobaric hypoxia in  rats with  metabolic syndrome is  associated with  impaired carbohydrate and  lipid metabolism. The PPARα agonist restores impaired lipid metabolism and adaptive cardioprotection.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>миокард</kwd><kwd>инфаркт</kwd><kwd>адаптация к гипоксии</kwd><kwd>метаболический синдром</kwd><kwd>метформин</kwd><kwd>PPARα</kwd></kwd-group><kwd-group xml:lang="en"><kwd>myocardium</kwd><kwd>infarction</kwd><kwd>adaptation to hypoxia</kwd><kwd>metabolic syndrome</kwd><kwd>metformin</kwd><kwd>PPARα</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Российского научного фонда, грант № 22-15-00048. Исследование механизмов формирования артериальной гипертензии при МетС выполнено в рамках государственного задания 122020300042-4. В работе было использовано оборудование Центра коллективного пользования «Медицинская геномика» ФГБНУ «Томский национальный исследовательский медицинский центр Российской академии наук».</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">Maslov LN, Naryzhnaia NV, Tsibulnikov SY, Kolar F, Zhang Y, Wang H, et al. Role of endogenous opioid peptides in the infarct size-limiting effect of adaptation to chronic continuous hypoxia. Life Sci. 2013; 93(9-11): 373-379. doi: 10.1016/j.lfs.2013.07.018</mixed-citation><mixed-citation xml:lang="en">Maslov LN, Naryzhnaia NV, Tsibulnikov SY, Kolar F, Zhang Y, Wang H, et al. Role of endogenous opioid peptides in the infarct size-limiting effect of adaptation to chronic continuous hypoxia. 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