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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">uzspbgmu</journal-id><journal-title-group><journal-title xml:lang="ru">Учёные записки Первого Санкт-Петербургского государственного медицинского университета имени академика И. П. Павлова</journal-title><trans-title-group xml:lang="en"><trans-title>The Scientific Notes of the Pavlov University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-4181</issn><issn pub-type="epub">2541-8807</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1607-4181-2022-29-3-40-45</article-id><article-id custom-type="elpub" pub-id-type="custom">uzspbgmu-915</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 РАБОТЫ</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>Физиологическая роль мелатонина при оксидативном стрессе в эмбриональный период развития</article-title><trans-title-group xml:lang="en"><trans-title>The physiological role of melatonin in oxidative stress during the embryonic period of development</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8979-6460</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пасатецкая</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pasatetckaia</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, доцент кафедры физиологии нормальной,</p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6-8</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Biol.), Associate Professor of the Department of Normal Physiology,</p><p>6-8, L’va Tolstogo str., Saint Petersburg, 197022</p></bio><email xlink:type="simple">npasatetckaia@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/0000-0001-9071-0492</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Климшин</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimshin</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент лечебного факультета,</p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6-8</p></bio><bio xml:lang="en"><p>Student of the Faculty of Medicine,</p><p>6-8, L’va Tolstogo str., Saint Petersburg, 197022</p></bio><email xlink:type="simple">notangryslava@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/0000-0002-4412-6735</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильева</surname><given-names>Т. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilyeva</surname><given-names>T. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка педиатрического факультета, </p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6-8</p></bio><bio xml:lang="en"><p>Student of the Faculty of Pediatrics,</p><p>6-8, L’va Tolstogo str., Saint Petersburg, 197022</p></bio><email xlink:type="simple">tanya.vasil06@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/0000-0003-0729-5852</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лопатина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lopatina</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, доцент, зав. кафедрой физиологии нормальной, 197022, Санкт-Петербург, ул. Льва Толстого, д. 6-8;</p><p>ведущий научный сотрудник лаборатории физиологии сердечно-сосудистой и лимфатической систем, Санкт-Петербург</p></bio><bio xml:lang="en"><p>Dr. of Sci. (Biol.), Associate Professor, Head of the Department of Normal Physiology, 6-8, L’va Tolstogo str., Saint Petersburg, 197022</p><p>Leading Research Fellow at the Laboratory of Physiology of Cardiovascular and Lymphatic Systems, Saint Petersburg</p></bio><email xlink:type="simple">evlopatina@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Первый Санкт-Петербургский государственный медицинский университет имени академика И. П. Павлова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Первый Санкт-Петербургский государственный медицинский университет имени академика И. П. Павлова» Министерства здравоохранения Российской Федерации;&#13;
Федеральное государственное бюджетное учреждение науки «Институт физиологии имени И. П. Павлова» Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov University;&#13;
Pavlov Institute of Physiology of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>07</month><year>2022</year></pub-date><volume>29</volume><issue>3</issue><fpage>40</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пасатецкая Н.А., Климшин С.И., Васильева Т.Д., Лопатина Е.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Пасатецкая Н.А., Климшин С.И., Васильева Т.Д., Лопатина Е.В.</copyright-holder><copyright-holder xml:lang="en">Pasatetckaia N.A., Klimshin S.I., Vasilyeva T.D., Lopatina E.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.sci-notes.ru/jour/article/view/915">https://www.sci-notes.ru/jour/article/view/915</self-uri><abstract><sec><title>Введение</title><p>Введение. Мелатонин является мощным эндогенным антиоксидантом, обеспечивает нормальное течение беременности и рождение здорового ребенка. Снижение концентрации гормона в крови коррелирует с тяжестью преэклампсии. В настоящее время мелатонин рассматривают как перспективный антиоксидант, который может улучшить состояние матери при преэклампсии, одновременно защищая плод от неблагоприятной внутриутробной среды.</p><p>Цель – изучить прямое влияние мелатонина на ремоделирование ткани сердца куриного эмбриона в норме и при моделировании оксидативного стресса.</p></sec><sec><title>Методы и материалы</title><p>Методы и материалы. В работе использован метод органотипической культуры ткани сердца 10–12-дневных куриных эмбрионов. Оксидативный стресс моделировали введением в питательную среду адреналина в дозе 10–4 М или гомоцистеин тиолактона в концентрации 10–3 М.</p></sec><sec><title>Результаты</title><p>Результаты. Обнаружен трофотропный эффект мелатонина в концентрации 10–6 М. Препарат стимулировал рост эксплантатов ткани сердца на 20 %. Адреналин проявил кардиотоксическое действие в концентрациях 10–4 и 10–6 М. Мелатонин (10–6 М) нивелировал кардиотоксический эффект адреналина (10–4 М). Кардиотоксический эффект гомоцистеин тиолактона (10–3 М) в присутствии мелатонина (10–6 М) сохранялся.</p></sec><sec><title>Заключение</title><p>Заключение. В эмбриональный периодмелатонин устраняет кардиотоксическое влияние окислительного стресса, вызванного высокой концентрацией адреналина, но не гомоцистеин тиолактона. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Melatonin, being a powerful endogenous antioxidant, provides healthy course of pregnancy and childbirth. Decrease of melatonin levels in blood correlates with severity of preeclampsia. Currently, melatonin is viewed as a perspective antioxidant, able to improve mother’s condition during preeclampsia and protect fetus from unfavorable intrauterine environment.</p><p>The objective was to study melatonin effects on remodeling of chicken embryo heart tissue under normal conditions and under oxidative stress model.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was performed using organotypic culture of heart tissue of 10–12-day-old chicken embryos. Oxidative stress was modeled by adding epinephrine 10–4 М or homocysteine thiolactone 10–3 М to culture medium.</p></sec><sec><title>Results</title><p>Results. The trophotropic effects of melatonin was detected at a concentration of 10–6 M. Drug stimulated heart tissue explants’ growth on 20 %. Epinephrine showed cardiotoxic effects at concentrations of 10–4 and 10–6 М. Melatonin (10–6 М) neutralized cardiotoxic effects of epinephrine (10–4 M). Cardiotoxic effects of homocysteine thiolactone (10–3 М) preserved in presence of melatonin (10–6 М).</p></sec><sec><title>Conclusion</title><p>Conclusion. During embryonic period, melatonin neutralizes cardiotoxic effects of oxidative stress caused by a high concentration of epinephrine, but not by homocysteine thiolactone. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>органотипическая культура</kwd><kwd>ткань сердца</kwd><kwd>мелатонин</kwd><kwd>адреналин</kwd><kwd>гомоцистеин тиолактон</kwd><kwd>оксидативный стресс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heart tissue</kwd><kwd>organotypic culture</kwd><kwd>melatonin</kwd><kwd>epinephrine</kwd><kwd>homocysteine thiolactone</kwd><kwd>oxidative stress</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">Пылаева Н. Ю., Шифман Е. М., Куликов А. В. и др. Преэклампсия. Эклампсия. 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Doi: 10.1556/036.102.2015.2.4.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
