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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">medlit</journal-id><journal-title-group><journal-title xml:lang="ru">Гигиена и санитария</journal-title><trans-title-group xml:lang="en"><trans-title>Hygiene and Sanitation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0016-9900</issn><issn pub-type="epub">2412-0650</issn><publisher><publisher-name>Federal Scientific Center of Hygiene named after F.F. Erisman</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47470/0016-9900-2020-99-9-996-1000</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-1027</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 INVESTIGATIONS</subject></subj-group></article-categories><title-group><article-title>Метаболические и молекулярно-генетические изменения в печени при интоксикации тетрахлорметаном</article-title><trans-title-group xml:lang="en"><trans-title>Metabolic and molecular-genetic changes in the liver during carbon tetrachloride intoxication</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>Каримов</surname><given-names>Денис Олегович</given-names></name><name name-style="western" xml:lang="en"><surname>Karimov</surname><given-names>Denis O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. мед. наук, зав. отделом токсикологии и генетики с экспериментальной клиникой лабораторных животных ФБУН «Уфимский НИИ медицины труда и экологии человека», 450106, Уфа, Россия.</p><p>e-mail: karimovdo@gmail.com</p></bio><bio xml:lang="en"><p>MD., Ph.D., head of the Department of toxicology and genetics with the experimental clinic of laboratory animals, Ufa Research Institute of Occupational Health and Human Ecology, Ufa, 450106, Russian Federation.</p><p>e-mail: karimovdo@gmail.com</p></bio><email xlink:type="simple">karimovdo@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>Кутлина</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutlina</surname><given-names>Tatyana G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Мухаммадиева</surname><given-names>Г. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhammadiyeva</surname><given-names>Guzel’ F.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Валова</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Valova</surname><given-names>Yana V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Байгильдин</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Baygildin</surname><given-names>Samat S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Репина</surname><given-names>Э. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Repina</surname><given-names>Elvira F.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФБУН «Уфимский научно-исследовательский институт медицины труда и экологии человека»</institution></aff><aff xml:lang="en"><institution>Ufa Research Institute of Occupational Health and Human Ecology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2020</year></pub-date><volume>99</volume><issue>9</issue><fpage>996</fpage><lpage>1000</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каримов Д.О., Кутлина Т.Г., Мухаммадиева Г.Ф., Валова Я.В., Байгильдин С.С., Репина Э.Ф., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Каримов Д.О., Кутлина Т.Г., Мухаммадиева Г.Ф., Валова Я.В., Байгильдин С.С., Репина Э.Ф.</copyright-holder><copyright-holder xml:lang="en">Karimov D.O., Kutlina T.G., Mukhammadiyeva G.F., Valova Y.V., Baygildin S.S., Repina E.F.</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.rjhas.ru/jour/article/view/1027">https://www.rjhas.ru/jour/article/view/1027</self-uri><abstract><sec><title>Введение</title><p>Введение. Токсический гепатит представляет собой сложное и многогранное заболевание, развитие которого опосредовано комплексом биохимических и молекулярно-генетических взаимодействий. Текущее понимание патогенеза токсического гепатита и как следствие его лечение основано на стандартизации фенотипа заболевания, часто без учёта метаболических нарушений внутри клеток.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Экспериментальные исследования выполнены на белых аутбредных крысах-самцах с массой тела 200–220 г. В качестве токсиканта использовали 50% раствор ТХМ. Биохимические исследования проводили на фотометре лабораторном медицинском «Stat Fax 3300» с использованием клинических тест-наборов и контрольных материалов производства ООО «Вектор-Бест». Ткани печени для гистологического исследования были подвергнуты стандартной процедуре гистологической проводки и заливки в парафин. Срезы толщиной 5–7 мкм окрашивали гематоксилин-эозин. Анализ экспрессии генов проводили с помощью ПЦР-амплификации в режиме реального времени на приборе RotorGene (QIAGEN). Статистическую обработку экспериментальных данных проводили с использованием коэффициента корреляции Пирсона и однофакторного дисперсионного анализа (ANOVA). Результаты считали достоверными при p &lt; 0,05.</p></sec><sec><title>Результаты</title><p>Результаты. В результате проведённого анализа корреляции экспрессии изучаемых генов и уровнем биохимических показателей обнаружено, что корреляция экспрессии генов Nfe2l2 и Gstm1 составляла r = 0,812 (р = 0,0001). Динамика экспрессии генов Chek, Gstm1, Gstp1, Nfe2l2 имела отрицательную корреляцию с показателем активности АСТ в сыворотке крови. А экспрессия генов Chek, Gclc, Gstm1, Nfe2l2, Ripk, Sod1 с показателем активности АЛТ в сыворотке крови. Через 72 ч экспрессия практически всех исследуемых генов приобрела разнонаправленный характер. И корреляция между показателями зачастую не определяется. Анализ связи уровня цитолизных ферментов с уровнем корреляции изучаемых генов показал, что через 72 ч корреляция наблюдалась у генов Gstm1, Hmox и Sod1 с уровнем АСТ и АЛТ.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Toxic hepatitis (TH) is a complex and multifaceted disease, the development of which is mediated by a complex of biochemical and molecular genetic interactions. The current understanding of the pathogenesis of TH and, as a consequence, its treatment is based on standardization of the phenotype of the disease, often without taking into account metabolic disorders within the cells.</p></sec><sec><title>Material and methods</title><p>Material and methods. Experimental studies were performed on white outbred male rats weighing 200-220 g. A 50% solution of TCM was used as a toxicant. Biochemical studies were performed on a laboratory medical photometer “Stat Fax 3300” using clinical test kits and control materials manufactured by Vector-Best LLC. Liver tissue for histological examination was subjected to the standard histological procedure and paraffin embedding. Sections 5-7 μm thick were stained with hematoxylin-eosin. Gene expression analysis was performed using real-time PCR amplification on a RotorGene instrument (QIAGEN). Statistical processing of experimental data was performed using the Pearson correlation coefficient and one-way analysis of variance (ANOVA). The results were considered reliable at p &lt;0.05.</p></sec><sec><title>Results</title><p>Results. As a result of the analysis of the correlation of the expression of the studied genes and the level of biochemical parameters, it was found that the correlation of the expression of the Nfe2l2 and Gstm1 genes was r = 0.812 (p = 0.0001). The dynamics of gene expression of Chek, Gstm1, Gstp1, Nfe2l2, had a negative correlation with the level of AST activity in blood serum and the expression of the genes Chek, Gclc, Gstm1, Nfe2l2, Ripk, Sod1 with an index of ALT activity in the blood serum. After 72 hours, the expression of almost all of the studied genes became multidirectional. the correlation between indices is often not determined. An analysis of the relationship between the level of cytolysis enzymes and the correlation level of the studied genes showed that after 72 hours the correlation was observed in the Gstm1, Hmox, and Sod1 genes with the levels of AST and ALT.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>острый токсический гепатит</kwd><kwd>парацетамол</kwd><kwd>четырёххлористый углерод</kwd><kwd>экспрессия генов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acute toxic hepatitis</kwd><kwd>paracetamol</kwd><kwd>carbon tetrachloride</kwd><kwd>gene expression</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">Shah M.D., D’souza U.J., Iqbal M. The potential protective effect of Commelina nudiflora L. against carbon tetrachloride (CCl4)-induced hepatotoxicity in rats, mediated by suppression of oxidative stress and inflammation. Environ. Health Prev. 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