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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">microcirculation</journal-id><journal-title-group><journal-title xml:lang="ru">Регионарное кровообращение и микроциркуляция</journal-title><trans-title-group xml:lang="en"><trans-title>Regional blood circulation and microcirculation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-6655</issn><issn pub-type="epub">2712-9756</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">10.24884/1682-6655-2020-19-2-59-66</article-id><article-id custom-type="elpub" pub-id-type="custom">microcirculation-784</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 (ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES (EXPERIMENTAL INVESTIGATIONS)</subject></subj-group></article-categories><title-group><article-title>Влияние ишемического посткондиционирования на реакцию микроглии неокортекса при глобальной ишемии головного мозга у крыс</article-title><trans-title-group xml:lang="en"><trans-title>Effect of ischemic postconditioining on reaction of neocortex microglia after global brain ischemia in rats</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>Щербак</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherbak</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щербак Наталия Сергеевна – д-р биол. наук, старший научный сотрудник лаборатории неотложной кардиологии НИИ сердечно-сосудистых заболеваний, старший научный сотрудник лаборатории биофизики кровообращения Института биомедицины </p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6/8</p></bio><bio xml:lang="en"><p>Shcherbak Natalia S. – Dr. of Sci. (Biol.), Senior Researcher Urgent Cardiology Laboratory of Institute of Cardiovascular Diseases, Senior Researcher Blood Circulation Biophysics Laboratory of Institute of Biomedicine</p><p>6-8, L’va Tolstogo street, Saint Petersburg, 197022 </p></bio><email xlink:type="simple">ShcherbakNS@yandex.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>Юкина</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Yukina</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юкина Галина Юрьевна – канд. биол. наук, зав. лабораторией патоморфологии Научно-исследовательского центра </p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6/8 </p></bio><bio xml:lang="en"><p>Yukina Galina Yu. – Cand. of Sci. (Biol.), Head of the Laboratory of Pathomorphology of the Research Center </p><p>6-8, L’va Tolstogo street, Saint Petersburg, 197022</p></bio><email xlink:type="simple">pipson@inbox.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>Сухорукова</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukhorukova</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сухорукова Елена Геннадьевна – канд. мед. наук, старший научный сотрудник лаборатории патоморфологии Научно-исследовательского центра </p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6/8 </p></bio><bio xml:lang="en"><p>Sukhorukova Elena. G. – Cand. of Sci. (Med.), Senior Researcher of the Laboratory of Pathomorphology of the Research Center </p><p>6-8, L’va Tolstogo street, Saint Petersburg, 197022</p></bio><email xlink:type="simple">len48@inbox.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>Томсон</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Thomson</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Томсон Владимир Викторович – д-р мед. наук, профессор, директор Научно-исследовательского центра </p><p>197022, Санкт-Петербург, ул. Льва Толстого, д. 6/8 </p></bio><bio xml:lang="en"><p>Thomson Vladimir V. – Dr. of Sci. (Med.), Professor, Director of the Research Center </p><p>6-8, L’va Tolstogo street, Saint Petersburg, 197022</p></bio><email xlink:type="simple">nic.spb@mail.ru</email><xref ref-type="aff" rid="aff-1"/></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><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2020</year></pub-date><volume>19</volume><issue>2</issue><fpage>59</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Щербак Н.С., Юкина Г.Ю., Сухорукова Е.Г., Томсон В.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Щербак Н.С., Юкина Г.Ю., Сухорукова Е.Г., Томсон В.В.</copyright-holder><copyright-holder xml:lang="en">Shcherbak N.S., Yukina G.Y., Sukhorukova E.G., Thomson V.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.microcirc.ru/jour/article/view/784">https://www.microcirc.ru/jour/article/view/784</self-uri><abstract><p>Ведение. Ишемическое посткондиционирование (ИПостК) представляет собой новую концепцию в стратегии защиты головного мозга. Практически все исследования в этой области сосредоточены на изучении функционирования и выживаемости нейронов, в то время как ненейрональные клетки, подвергшиеся влиянию ИПостК, остаются неизученными. Цель – исследовать влияние ИПостК после глобальной ишемии головного мозга на изменение микроглии в неокортексе крыс Wistar в различные периоды реперфузии. Материалы и методы. У самцов крыс Wistar моделировали 10-минутную глобальную ишемию головного мозга с последующим ИПостК в виде реперфузии-ишемии по 15 с/15 с. В ранний (2 суток) и отдаленный (7 суток) реперфузионный периоды оценивали число морфологически неизмененных нейронов и Iba-1-позитивных ядросодержащих микроглиоцитов в затылочной области (occipital cortex) коры головного мозга. Результаты. Показано, что глобальная ишемия головного мозга у крыс ко 2-м суткам реперфузионного периода в затылочной области неокортекса приводит к 25,9 % (P&lt;0,05) гибели нейронов и увеличению на 30,9 % (Р&lt;0,05) числа Iba-1-позитивных клеток микроглии; к 7-м суткам реперфузии отмечается достоверное увеличение гибели нейронов на 34,5 % (P&lt;0,05) и увеличение на 65,2 % (P&lt;0,05) числа Iba-1-позитивных клеток микроглии по сравнению с аналогичными показателями в ложнооперированных группах. Установлено, что применение ИПостК ко 2-м суткам реперфузии способствует увеличению числа неизмененных нейронов в затылочной области коры головного мозга на 18,3 % (Р&lt;0,05), которое не сопровождается значимым изменением числа Iba-1-позитивных клеток микроглии, к 7-м суткам реперфузии отмечается увеличение числа неизмененных нейронов в проанализированной области головного мозга на 23,5 % (Р&lt;0,05), которое сопровождается уменьшением числа Iba-1-позитивных микроглиоцитов на 32,5 % (Р&lt;0,05) при сравнении с аналогичными показателями в группах без применения ИПостК. Выводы. Результаты проведенной работы позволяют предположить, что цитопротективный эффект ИПостК для нейронов затылочной области неокортекса крыс линии Wistar в отдаленный реперфузионный период реализуется посредством блокирования инфильтрации ишемизированной области мозга как резидентными, так и рекрутируемыми клетками иммунной системы.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. Ischemic postconditioning (IPostC) is a new concept in the brain protection strategy. Almost all researches in this area focus on the functioning and survival of neurons, while non-neuronal cells affected by IPostC remain unexplored. The aim is to study the IPostC effect on changes in microglia in the neocortex of Wistar rats after global brain ischemia during various periods of reperfusion. Materials and methods. Male Wistar rats were used as a model of a 10-minute global brain ischemia with a subsequent IPostC; the reperfusion-ischemia cycle was 15 s/15 s. In the early (2 days) and late (7 days) reperfusion periods, the number of morphologically unchanged neurons and Iba-1-positive nucleated microglyocytes in the occipital cortex was estimated. Results. It has been shown that global brain ischemia in rats leads to 25.9% (P&lt;0.05) neuron death and an increase of 30.9% (P&lt;0.05) in the number of Iba-1-positive microglia cells by the 2nd day of the reperfusion period in the occipital neocortex; by the 7th day of reperfusion, there was observed a neuron death significant increasing by 34.5% (P&lt;0.05) and the number of Iba-1-positive microglia cells increasing of 65.2% (P&lt;0.05) compared to similar indicators in sham-operated groups. The IPostC by 2 days of reperfusion was found to increase the number of unchanged neurons in the occipital region of the cerebral cortex by 18.3% (P&lt;0.05), which is not accompanied by a significant change in the number of Iba-1-positive microglial cells; by 7 days of reperfusion the increase number of unchanged neurons was found to be 23.5% (P&lt;0.05) in the analysed brain region , which is accompanied by a decrease in the number of Iba-1-positive microgliosis by 32.5% (P&lt;0.05) comparing with similar indicators in groups without IPostC. Conlusions. The results of this work suggest that the cytoprotective effect of IPostC for neurons of the occipital neocortex of Wistar rats in the long-term reperfusion period is caused by blocking the infiltration of the ischemic brain region by both resident and recruited cells of the immune system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неокортекс</kwd><kwd>нейрон</kwd><kwd>микроглиоциты</kwd><kwd>Iba-1</kwd><kwd>ишемия</kwd><kwd>ишемическое посткондиционирование</kwd><kwd>крысы Wistar</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neocortex</kwd><kwd>neuron</kwd><kwd>microglyocytes</kwd><kwd>Iba-1</kwd><kwd>ischemia</kwd><kwd>ischemic postconditioning</kwd><kwd>Wistar rats</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках темы государственного задания «Совершенствование методов, направленных на ограничение ишемического повреждения миокарда и головного мозга и выявление механизмов эффективного функционального восстановления», номер госрегистрации № АААА-А18-118070690075-6.</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">Zhao H. 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