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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">zdor</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы здоровья и экологии</journal-title><trans-title-group xml:lang="en"><trans-title>Health and Ecology Issues</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-0967</issn><issn pub-type="epub">2708-6011</issn><publisher><publisher-name>Gomel State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51523/2708-6011.2021-18-3-14</article-id><article-id custom-type="elpub" pub-id-type="custom">zdor-2040</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>ЭКСПЕРИМЕНТАЛЬНАЯ МЕДИЦИНА И БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL MEDICINE AND BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Определение активности изоформ пируваткиназы в норме, при токсическом повреждении и в процессе регенерации печени</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the activity of pyruvate kinase isoforms in normal conditions, in toxic liver damage and during the process of its regeneration</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1994-1156</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скуратов</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Skuratov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скуратов Александр Геннадьевич, к.м.н., доцент, доцент кафедры хирургических болезней № 1 с курсом сердечно-сосудистой хирургии </p><p>Гомель</p></bio><bio xml:lang="en"><p>Alexander G. Skuratov, PhD (Med), Associate Professor, Associate Professor at Department of Surgical Diseases No.1 with the course of Cardiovascular Surgery </p><p>Gomel</p></bio><email xlink:type="simple">alexskuratov@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/0000-0002-4668-6007</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лызиков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyzikov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лызиков Анатолий Николаевич, д.м.н., профессор, профессор кафедры хирургических болезней № 1 с курсом сердечно-сосудистой хирургии </p><p>Гомель</p></bio><bio xml:lang="en"><p>Anatoly N. Lyzikov, DMedSc, Professor, Professor at Department of Surgical Diseases No.1 with the course of Cardiovascular Surgery</p><p>Gomel</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6725-5353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шафорост</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaforost</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шафорост Александр Сергеевич, научный сотрудник научно-исследовательской лаборатории </p><p>Гомель</p></bio><bio xml:lang="en"><p>Alexander S. Shaforost, researcher at the Research Laboratory </p><p>Gomel</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9542-3791</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зятьков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zyatskov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зятьков Алексей Александрович, научный сотрудник научно-исследовательской лаборатории </p><p>Гомель</p></bio><bio xml:lang="en"><p>Alexey A. Zyatskov, researcher at the Research Laboratory </p><p>Gomel</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3335-7159</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голубых</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Golubykh</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Голубых Надежда Михайловна, научный сотрудник научно-исследовательской лаборатории </p><p>Гомель</p></bio><bio xml:lang="en"><p>Nadezhda M. Golubykh, researcher at the Research Laboratory </p><p>Gomel</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Гомельский государственный медицинский университет</institution></aff><aff xml:lang="en"><institution>Gomel State Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>10</month><year>2021</year></pub-date><volume>18</volume><issue>3</issue><fpage>116</fpage><lpage>123</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скуратов А.Г., Лызиков А.Н., Шафорост А.С., Зятьков А.А., Голубых Н.М., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Скуратов А.Г., Лызиков А.Н., Шафорост А.С., Зятьков А.А., Голубых Н.М.</copyright-holder><copyright-holder xml:lang="en">Skuratov A.G., Lyzikov A.N., Shaforost A.S., Zyatskov A.A., Golubykh N.M.</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://journal.gsmu.by/jour/article/view/2040">https://journal.gsmu.by/jour/article/view/2040</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Оценить активность изоформ пируваткиназы (ПК) в норме, при токсическом повреждении и в процессе регенерации печени.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведено экспериментальное исследование на 45 крысах линии Wistar. Токсическое повреждение печени индуцировали внутрибрюшинным введением тетрахлорметана. Механическое повреждение моделировали хирургической резекцией печени. Определены концентрации изоформ ПК R/L и М в сыворотке крови и ткани печени лабораторных животных методом иммуноферментного анализа (ИФА).</p></sec><sec><title>Результаты</title><p>Результаты. Установлено, что концентрация изоформы ПК М статистически значимо увеличивается при хроническом токсическом поражении печени, что может свидетельствовать об активизации процессов пролиферации клеток печени в ответ на повреждающее действие гепатотоксина (Манна — Уитни U-test: Z = 2,143; р = 0,032). После резекции печени увеличивалось содержание ПК R/L, характеризующее активацию гликолиза, и значительно увеличивалась концентрация ПК М, что отражало процессы репаративной регенерации в печени.</p></sec><sec><title>Заключение</title><p>Заключение. Сывороточные концентрации изоформ ПК могут быть использованы в качестве лабораторного критерия активности процессов репаративной регенерации, с помощью которого можно оценить репаративный потенциал печени при ее токсическом или механическом повреждении, а также при хронических диффузных заболеваниях.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. To evaluate the activity of pyruvate kinase (PK) isoforms in normal conditions, in toxic damage of the liver and during its regeneration.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. An experimental study was carried out on 45 Wistar rats. Toxic liver damage was induced by the intraperitoneal administration of carbon tetrachloride. Mechanical damage was simulated by the surgical resection of the liver. The levels of PK isoforms R/L and M in the blood serum and liver tissue of the laboratory animals were measured with an ELISA test.</p></sec><sec><title>Results</title><p>Results. It has been found that the level of PK isoform M signifcantly increases in chronic toxic liver damage, which may indicate the activation of the processes of liver cell proliferation in response to the damaging effect of hepatotoxin (Mann-Whitney U Test: Z = 2.143; p = 0.032). After liver resection, the level of PK R/L, which characterizes the activation of glycolysis, increased and the level of pyruvate kinase M increased signifcantly, which reﬂected the processes of reparative regeneration in the liver.</p></sec><sec><title>Conclusion</title><p>Conclusion. The serum level of PK isoforms may be used as a laboratory criterion for the activity of reparative regeneration processes, which can be used to evaluate the reparative potential of the liver in case of toxic or mechanical damage, as well as in chronic diffuse diseases.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>экспериментальная гепатология</kwd><kwd>пируваткиназа</kwd><kwd>регенерация печени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>experimental hepatology</kwd><kwd>pyruvate kinase</kwd><kwd>liver regeneration</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках заданий НИР ГПНИ «Фундаментальные и прикладные науки — медицине» 2016–2020 гг., подпрограмма «Новые технологии купирования заболеваний»</funding-statement><funding-statement xml:lang="en">The work was carried out as part of the tasks of the research work of the State research program “Fundamental and Applied Sciences to Medicine” 2016–2020, subprogram “New technologies for stopping diseases”.</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">Muirhead H. 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