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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 custom-type="elpub" pub-id-type="custom">actabiomedica-1544</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 В БИОЛОГИИ И МЕДИЦИНЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL RESEARCHES IN BIOLOGY AND MEDICINE</subject></subj-group></article-categories><title-group><article-title>Матриксная металлопротеаза 9 и ремоделирование при инфаркте миокарда</article-title><trans-title-group xml:lang="en"><trans-title>Matrix metalloprotease 9 and remodeling after myocardial infarction</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>Шурыгин</surname><given-names>М. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shurygin</surname><given-names>M. G.</given-names></name></name-alternatives><email xlink:type="simple">mshurygin@gmail.com</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>Шурыгина</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shurygina</surname><given-names>I. A.</given-names></name></name-alternatives><email xlink:type="simple">irinashurygin@gmail.com</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>Дремина</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Dremina</surname><given-names>N. N.</given-names></name></name-alternatives><email xlink:type="simple">drema76@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каня</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kanya</surname><given-names>O. V.</given-names></name></name-alternatives><email xlink:type="simple">ole1587@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБУ «Научный центр реконструктивной и восстановительной хирургии» СО РАМН; ФГБУН Иркутский научный центр СО РАН</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ФГБУ «Научный центр реконструктивной и восстановительной хирургии» СО РАМН</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2013</year></pub-date><volume>0</volume><issue>2(1)</issue><fpage>138</fpage><lpage>141</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шурыгин М.Г., Шурыгина И.А., Дремина Н.Н., Каня О.В., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Шурыгин М.Г., Шурыгина И.А., Дремина Н.Н., Каня О.В.</copyright-holder><copyright-holder xml:lang="en">Shurygin M.G., Shurygina I.A., Dremina N.N., Kanya O.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.actabiomedica.ru/jour/article/view/1544">https://www.actabiomedica.ru/jour/article/view/1544</self-uri><abstract><p>Целью исследования являлось изучение распределения металлопротеаза 9 (ММП9) в тканях при инфаркте миокарда. Исследовали патологоанатомический материал 30 больных, погибших от. первичного острого трансмуральный инфаркт миокарда. Средний возраст - 63,7 года. Мужчин было 18, женщин - 12. По срокам наступления инфаркта: 16 больных погибли в срок до 3 суток; 14 больных -в сроки от 3 суток до 1 месяца. Образцы периинфарктной зоны фиксировали формалином, проводили, иммуногистохимическое окрашивание на ММР9. Использовали кроличьи моноклональные антитела IgG к ММП9 (Epitomics, Clone 1D: EP1254, Cat. N 2551-1, Lot YG 113001P) в рабочем разведении 1: 100 - 1:250. При. летальных исходах, развившихся, в течение нескольких часов после развития инфаркта, регистрировалось большое количество ММП9 в нейтрофилах в сосудах периинфарктной зоны. В срок от. 1 до 2 часов ММП9 выявлялась во внеклеточном матриксе в зоне инфаркта, В срок от. 3 до 30 суток ММП9 выявлялась в фиброкластах в зоне кардиосклероза. Таким образом, применение окраски на ММП9 при инфаркте миокарда удобно для определения давности возникновения инфаркта миокарда при патоморфологическом исследовании.</p></abstract><trans-abstract xml:lang="en"><p>The objective of the work was to study the distribution of metalloprotease 9 (MMP9) in tissues after myocardial infarction. We studied anatomopathological material from 30 patients, the primary victims of acute transmural myocardial infarction. Average age - 63,7 years. There were 18 men and 12 women. 16 patients died in the period up to 3 days, 14 patients - in a period from 3 days to 1 month. Samples were fixed in formalin and immunohistochemical staining for MMP9 was conducted. We used rabbit IgG monoclonal antibody to MMP9 (Epitomics, Clone 1D: EP1254, Cat. N 2551-1, Lot YG 113001P) in the working dilution of 1: 100 - 1: 250. At fatal outcomes that happened within a few hours after the onset of a heart attack a large number of MMP9 was detected in neutrophils in the blood vessels at near infarction zone. In the period from 1 to 2 hours MMP9 was detected in the extracellular matrix in the area of infarction. In the period from 3 to 30 days MMP9 was detected only in fibroclasts at forming cardiosclerosis zone. Thus, the use of staining for MMP9 is convenient for determination of the time elapsed after myocardial infarction in post mortem examination.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>инфаркт миокарда</kwd><kwd>металлопротеаза</kwd><kwd>метод диагностики</kwd></kwd-group><kwd-group xml:lang="en"><kwd>myocardial infarction</kwd><kwd>metalloprotease</kwd><kwd>diagnostic method</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">Меркулов Г.А Курс патогистологической техники. - Л.: Медицина, 1969. - С. 13-15, 52 - 59.</mixed-citation><mixed-citation xml:lang="en">Меркулов Г.А Курс патогистологической техники. - Л.: Медицина, 1969. - С. 13-15, 52 - 59.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Соловьева Н.И. 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