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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">10.47470/0016-9900-2021-100-12-1404-1411</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-1882</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>МЕДИЦИНА ТРУДА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OCCUPATIONAL HEALTH</subject></subj-group></article-categories><title-group><article-title>Сочетанное действие свинца и физической нагрузки на организм крыс в субхроническом эксперименте</article-title><trans-title-group xml:lang="en"><trans-title>The combined action of lead and physical load in a subchorionic experiment on rats</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0097-7845</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минигалиева</surname><given-names>Ильзира Амировна</given-names></name><name name-style="western" xml:lang="en"><surname>Minigalieva</surname><given-names>Ilzira A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зав. отд. токсикологии и биопрофилактики, ФБУН «ЕМНЦ ПОЗРПП» Роспотребнадзора, 620014, Екатеринбург.</p><p>e-mail: ilzira-minigalieva@yandex.ru</p></bio><bio xml:lang="en"><p>MD, PhD, Head of the Department of Toxicology and Bioprophylaxis, Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers, Yekaterinburg, 620014, Russia.</p><p>e-mail: ilzira-minigalieva@yandex.ru</p></bio><email xlink:type="simple">ilzira-minigalieva@yandex.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/0000-0003-2677-0479</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabova</surname><given-names>Iuliya 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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1743-7642</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сутункова</surname><given-names>М. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sutunkova</surname><given-names>Marina P.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6475-7753</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурвич</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurvich</surname><given-names>Vladimir B.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1442-6737</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Привалова</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Privalova</surname><given-names>Larisa I.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6718-3217</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панов</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Panov</surname><given-names>Vladimir G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0927-4062</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клинова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Klinova</surname><given-names>Svetlana N.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8580-403X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovyeva</surname><given-names>Svetlana N.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2726-9259</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сахаутдинова</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Sakhautdinova</surname><given-names>Renata R.</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"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8750-9624</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кацнельсон</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Katsnelson</surname><given-names>Boris A.</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 «Екатеринбургский медицинский — научный центр профилактики и охраны здоровья рабочих промышленных предприятий» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФБУН «Екатеринбургский медицинский — научный центр профилактики и охраны здоровья рабочих промышленных предприятий» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека; ФГБУН «институт промышленной экологии уральского отделения российской академии наук»</institution></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers; The Institute of Industrial Ecology, the Urals Branch of the Russian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>23</day><month>12</month><year>2021</year></pub-date><volume>100</volume><issue>12</issue><fpage>1404</fpage><lpage>1411</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Минигалиева И.А., Рябова Ю.В., Сутункова М.П., Гурвич В.Б., Привалова Л.И., Панов В.Г., Клинова С.В., Соловьева С.Н., Сахаутдинова Р.Р., Кацнельсон Б.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Минигалиева И.А., Рябова Ю.В., Сутункова М.П., Гурвич В.Б., Привалова Л.И., Панов В.Г., Клинова С.В., Соловьева С.Н., Сахаутдинова Р.Р., Кацнельсон Б.А.</copyright-holder><copyright-holder xml:lang="en">Minigalieva I.A., Ryabova I.V., Sutunkova M.P., Gurvich V.B., Privalova L.I., Panov V.G., Klinova S.N., Solovyeva S.N., Sakhautdinova R.R., Katsnelson B.A.</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/1882">https://www.rjhas.ru/jour/article/view/1882</self-uri><abstract><sec><title>Введение</title><p>Введение. Экспозиция организма к свинцу, связанная с условиями труда (особенно в горно-металлургическом производстве), как правило, сочетается с мышечной работой. Однако влияние этого сочетания на развитие патологического процесса досконально не изучено.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В течение 6 нед белые беспородные крысы-самцы получали внутрибрюшинно ацетат свинца в дозе 11 мг/кг, соответствующей 1/20 ЛД50, 3 раза в неделю. Физическая нагрузка животных осуществлялась на тредмиле 5 раз в неделю (вынужденный бег со скоростью 25 м/мин по 10 мин в день).</p></sec><sec><title>Результаты</title><p>Результаты. Развившаяся интоксикация в группе, подвергавшейся воздействию только свинца, может быть охарактеризована как умеренно выраженная: из числа оценённых показателей состояния организма крыс статистически значимые неблагоприятные сдвиги в сравнении с контролем были отмечены по 33,5% показателей, среди которых увеличение содержания копропорфирина в моче, увеличение процентного соотношения ретикулоцитов в периферической крови, снижение среднего содержания гемоглобина в эритроците. Под влиянием физической нагрузки в 23,7% показателей вредный эффект свинца усилен, в 28,9% — ослаблен, в 47,4% фактически не изменился.</p></sec><sec><title>Заключение</title><p>Заключение. Развившаяся у крыс интоксикация при изолированном действии свинца была умеренно выраженной и неоднозначно изменялась под влиянием мышечных нагрузок. Математический анализ, основанный на модели поверхности отклика, показал, что сочетанное действие этих двух факторов характеризуется типологическим разнообразием в зависимости не только от того, по какому конкретному эффекту оно оценивается, но также от дозы и уровня эффекта.</p></sec><sec><title>Участие авторов</title><p>Участие авторов: </p></sec><sec><title>Минигалиева И</title><p>Минигалиева И.А. — концепция и дизайн исследования, написание текста, утверждение окончательного варианта статьи;</p></sec><sec><title>Рябова Ю</title><p>Рябова Ю.В. — концепция и дизайн исследования, сбор и обработка материала, статистическая обработка, иллюстрации, написание текста;</p></sec><sec><title>Сутункова М</title><p>Сутункова М.П. — концепция и дизайн исследования, утверждение окончательного варианта статьи;</p></sec><sec><title>Гурвич В</title><p>Гурвич В.Б. — редактирование, утверждение окончательного варианта статьи;</p></sec><sec><title>Привалова Л</title><p>Привалова Л.И. — концепция и дизайн исследования, редактирование, утверждение окончательного варианта статьи;</p></sec><sec><title>Панов В</title><p>Панов В.Г. — статистическая обработка, иллюстрации;</p></sec><sec><title>Клинова С</title><p>Клинова С.В. — концепция и дизайн исследования, сбор и обработка материала, статистическая обработка;</p></sec><sec><title>Соловьева С</title><p>Соловьева С.Н. — концепция и дизайн исследования;</p></sec><sec><title>Сахаутдинова Р</title><p>Сахаутдинова Р.Р. — сбор и обработка материала;</p></sec><sec><title>Кацнельсон Б</title><p>Кацнельсон Б.А. — концепция и дизайн исследования, редактирование, утверждение окончательного варианта статьи.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы декларируют отсутствие явных и потенциальных конфликтов интересов в связи с публикацией данной статьи.</p></sec><sec><title>Финансирование</title><p>Финансирование. Исследование не имело спонсорской поддержки.</p><p>Заключение комиссии по биоэтике. Локальная комиссия по биоэтике ФБУН ЕМНЦ ПОЗРПП Роспотребнадзора одобрила это исследование, проведённое в соответствии с Европейской конвенцией о защите позвоночных животных, используемых для экспериментов или других научных целей (ETS No. 123), Директивой Европейского Парламента и Совета Европейского союза 2010/63 / EU от 22.09.2010 о защите животных, используемых в научных целях.</p></sec><sec><title>Поступила</title><p>Поступила: 16.11.2021 / Принята к печати: 25.11.2021 / Опубликована: 30.12.2021</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Exposure to lead associated with working conditions (especially in mining and metallurgical production) is usually combined with muscular work. However, the influence of this combination on the pathological process development has not been thoroughly studied.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. During six weeks, white outbred male rats received intraperitoneal lead acetate at a dose of 11 mg / kg, corresponding to 1/20 LD50, three times a week and/or five times a week physical exercises (forced running for 10 minutes at a speed of 25 m/min).</p></sec><sec><title>Results</title><p>Results. As can be seen from the results, lead caused statistically significant shifts in 33.5% of the organism’s status indices, pointing to the onset of a moderate subchronic intoxication. Content of coproporphyrin in urine and percentage of reticulocytes in the peripheral blood increased, the average content of haemoglobin in the erythrocyte decreased. Under physical activity the harmful effect of lead enhanced in 23.7% of indices and weakened in 28.9% of indices. We did not find changes in 47.4% of indices. </p></sec><sec><title>Conclusion</title><p>Conclusion. Lead intoxication changes ambiguously under the influence of physical exercises. The type of combined effect of lead toxicity and physical activities depends on the outcome by which this type is assessed, on this outcome’s level and the dose ratio.</p></sec><sec><title>Contribution</title><p>Contribution: </p></sec><sec><title>Minigalieva I</title><p>Minigalieva I.A. — the concept and design of the study, writing the text;</p></sec><sec><title>Ryabova Yu</title><p>Ryabova Yu.V. — concept and design of research, collection and processing of material, statistical processing, preparation of drawings, writing the text;</p></sec><sec><title>Sutunkova M</title><p>Sutunkova M.P. — concept and design of the study;</p></sec><sec><title>Gurvich V</title><p>Gurvich V.B. — editing;</p></sec><sec><title>Privalova L</title><p>Privalova L.I. — concept and design of the study, editing;</p></sec><sec><title>Panov V</title><p>Panov V.G. — statistical processing, preparation of drawings;</p></sec><sec><title>Klinova S</title><p>Klinova S.V. — concept and design of research, collection and processing of material, statistical processing;</p></sec><sec><title>Solovieva S</title><p>Solovieva S.N. — the concept and design of the study;</p></sec><sec><title>Sakhautdinova R</title><p>Sakhautdinova R.R. — collection and processing of material;</p></sec><sec><title>Katsnelson B</title><p>Katsnelson B.A. — research concept and design, editing. </p></sec><sec><title>Conflict of interest</title><p>Conflict of interest. The authors declare no conflict of interest.</p></sec><sec><title>Acknowledgement</title><p>Acknowledgement. The study had no sponsorship.</p><p>The conclusion of the committee on biomedical ethics: the Local ethics committee of the Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers approved this study carried out under the European Convention for the Protection of Vertebrate Animals Used for Experiments or Other Scientific Purposes (ETS N 123), Directive of the European Parliament and Council of the European Union 2010/63/EU of 22.09.2010 on the protection of animals used for scientific purposes.</p></sec><sec><title>Received</title><p>Received: October 16, 2021 / Accepted: November 25, 2021 / Published: December 30, 2021</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>свинец</kwd><kwd>свинцовая интоксикация</kwd><kwd>мышечные нагрузки</kwd><kwd>тредмил</kwd><kwd>сочетанное действие</kwd><kwd>изоболы</kwd><kwd>поверхность отклика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lead</kwd><kwd>lead intoxication</kwd><kwd>exercise</kwd><kwd>treadmill</kwd><kwd>combined toxicity</kwd><kwd>response surface methodology</kwd><kwd>isobolograms</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">Кацнельсон Б.А. 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