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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">jsms</journal-id><journal-title-group><journal-title xml:lang="ru">Journal of Siberian Medical Sciences</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Siberian Medical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2542-1174</issn><publisher><publisher-name>Federal state budgetary educational institution of higher education "Novosibirsk state medical university" of  Ministry of Health of the Russian Federation (FSBEI HE NSMU MOH Russia)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31549/2542-1174-2020-3-27-38</article-id><article-id custom-type="elpub" pub-id-type="custom">jsms-645</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Влияние гепарина и этанола на активность лактатдегидрогеназы в митохондриальной и цитоплазматической фракциях клеток печени крыс</article-title><trans-title-group xml:lang="en"><trans-title>Effect of heparin and ethanol on the activity of lactate dehydrogenase in mitochondrial and cytoplasmic rat liver cell fractions</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>Хомутов</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Khomutov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лизунова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lizunova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лизунова Алла Сергеевна — канд. биол. наук, доцент кафедры фармакогнозии</p><p>390026, г. Рязань, ул. Высоковольтная, 9</p></bio><bio xml:lang="en"><p>Lizunova Alla Sergeyevna — Cand. Sci. (Biol.), Associate Professor, Department of Pharmacognosy </p><p>9, Vysokovoltnaya str., 390026, Ryazan </p></bio><email xlink:type="simple">lizunova-alla@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Национальный исследовательский Нижегородский государственный университет им. Н.И. Лобачевского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lobachevsky State University of Nizhni Novgorod</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Рязанский государственный медицинский университет им. акад. И.П. Павлова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ryazan State Medical University named after academician I.P. Pavlov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>03</day><month>11</month><year>2020</year></pub-date><volume>0</volume><issue>3</issue><fpage>27</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хомутов А.Е., Лизунова А.С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Хомутов А.Е., Лизунова А.С.</copyright-holder><copyright-holder xml:lang="en">Khomutov A.E., Lizunova A.S.</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://jsms.elpub.ru/jour/article/view/645">https://jsms.elpub.ru/jour/article/view/645</self-uri><abstract><p>В опытах на крысах показано, что этанол в дозе 4.5 г/кг приводит к повышению активности лактатдегидрогеназы (ЛДГ) клеток печени крыс в прямой реакции в субклеточных фракциях. В цитоплазматической фракции активность ЛДГ в обратной реакции снижалась. Предварительное введение животным гепарина в дозе 250 мЕ/кг частично нивелирует эффекты внутрибрюшинного введения этанола, что выражается в снижении активности ЛДГ клеток печени крыс в прямой реакции в субклеточных фракциях. Связывание эндогенного гепарина протамин сульфатом и последующее введение этанола приводит к увеличению активности ЛДГ в митохондриальной фракции клеток печени крыс.</p></abstract><trans-abstract xml:lang="en"><p>Experiments on rats have shown that ethanol at a dose of 4.5 g/kg leads to an increase in the activity of lactate dehydrogenase (LDH) in rat liver cells in a direct reaction in subcellular fractions. In the cytoplasmic fraction, the LDH activity in the reverse reaction decreased. Pre-administration of heparin to animals at a dose of 250 IU/kg partially neutralizes the effects of intraperitoneal administration of ethanol, which is expressed in a decrease in the activity of LDH in rat liver cells in a direct reaction in subcellular fractions. Binding of endogenous heparin to protamine sulfate and subsequent administration of ethanol leads to an increase in LDH activity in the mitochondrial fraction of rat liver cells.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лактатдегидрогеназа</kwd><kwd>субклеточные фракции печени</kwd><kwd>этанол</kwd><kwd>гепарин</kwd><kwd>протамин сульфат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lactate dehydrogenase</kwd><kwd>subcellular fractions of the liver</kwd><kwd>ethanol</kwd><kwd>heparin</kwd><kwd>protamine sulfate</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">Paventi G., Pizzuto R., Chieppa G., Passarella S. L-lactate metabolism in potato tuber mitochondria // FEBS J. 2007. Vol. 274 (6). P. 1459–1469.</mixed-citation><mixed-citation xml:lang="en">Paventi G., Pizzuto R., Chieppa G., Passarella S. (2007). L-lactate metabolism in potato tuber mitochondria. 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