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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">10.47470/0016-9900-2022-101-12-1588-1595</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-2763</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>ПРОФИЛАКТИЧЕСКАЯ ТОКСИКОЛОГИЯ И ГИГИЕНИЧЕСКОЕ НОРМИРОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PREVENTIVE TOXICOLOGY AND HYGIENIC STANDARTIZATION</subject></subj-group></article-categories><title-group><article-title>Оценка цитотоксического комбинированного действия наночастиц оксидов селена и меди в остром эксперименте на крысах</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the cytotoxic combined effect of selenium and copper oxide nanoparticles in an acute 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/0000-0003-2677-0479</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябова</surname><given-names>Юлия Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabova</surname><given-names>Yuliya V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мл. науч. сотр. отд. токсикологии и биопрофилактики ФБУН «ЕМНЦ ПОЗРПП» Роспотребнадзора, 620014, Екатеринбург.</p><p>e-mail ryabovaiuvl@gmail.com</p></bio><bio xml:lang="en"><p>Research assistant, Laboratory of Scientific Bases for Biological Prophylaxis, Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers, Yekaterinburg, 620014, Russian Federation.</p><p>e-mail: ryabova@ymrc.ru</p></bio><email xlink:type="simple">ryabovaiuvl@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9384-8550</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тажигулова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tazhigulova</surname><given-names>Anastasia V.</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 промпредприятий» Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>13</day><month>01</month><year>2023</year></pub-date><volume>101</volume><issue>12</issue><fpage>1588</fpage><lpage>1595</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рябова Ю.В., Тажигулова А.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Рябова Ю.В., Тажигулова А.В.</copyright-holder><copyright-holder xml:lang="en">Ryabova Y.V., Tazhigulova A.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.rjhas.ru/jour/article/view/2763">https://www.rjhas.ru/jour/article/view/2763</self-uri><abstract><sec><title>Введение</title><p>Введение. В известной нам научной литературе нет данных об экспериментальном изучении комбинированного действия наночастиц (НЧ) оксидов селена (SeO) и меди (CuO), воздействие которых на организм рабочих возможно в металлургическом производстве.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Путём однократного интратрахеального введения наночастиц оксидов селена и меди в концентрации 0,25 мг/мл аутбредным крысам-самкам моделировали цитотоксическое действие изучаемых частиц. Через 1 сут после введения суспензии оценивали цитологические и биохимические показатели жидкости бронхоальвеолярного лаважа.</p></sec><sec><title>Результаты</title><p>Результаты. Реакция глубоких дыхательных путей на комбинированное действие НЧ SeO и НЧ CuO является более выраженной, нежели на какие-либо из этих частиц при изолированном введении, что свидетельствует о более высокой цитотоксичности комбинации изученных НЧ. Комбинированное цитотоксическое действие наночастиц оксидов селена и меди характеризуется типологическим разнообразием, однако по большинству изученных показателей выявлен аддитивный характер комбинированного действия высоких доз НЧ SeO и НЧ CuO, когда исследованные вещества усиливали токсическое действие друг друга.</p></sec><sec><title>Ограничения исследования</title><p>Ограничения исследования. Исследование было ограничено изучением основных показателей цитотоксического действия.</p></sec><sec><title>Заключение</title><p>Заключение. При оценке многофакторного риска для здоровья рабочих во избежание занижения реальной оценки суммарного риска в химико-металлургических и шламовых цехах медеплавильных предприятий необходимо учитывать аддитивный характер комбинированного действия изученных токсикантов.</p><p>Соблюдение этических стандартов. Исследование выполнено в соответствии с этическими нормами обращения с животными, принятыми Европейской конвенцией по защите позвоночных животных, используемых для исследовательских и иных научных целей. Протокол исследования одобрен Локальным независимым этическим комитетом ФБУН ЕМНЦ ПОЗРПП Роспотребнадзора (протокол № 2 от 20.04.2021 г.).</p></sec><sec><title>Участие авторов</title><p>Участие авторов: Рябова Ю.В. — концепция и дизайн исследования, сбор и обработка материала, статистическая обработка данных, подготовка рисунков, написание текста, редактирование; Тажигулова А.В. — концепция и дизайн исследования, сбор и обработка материала, статистическая обработка данных. Все соавторы — утверждение окончательного варианта статьи, ответственность за целостность всех частей 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></sec><sec><title>Поступила</title><p>Поступила: 27.10.2022 / Принята к печати: 08.12.2022 / Опубликована: 12.01.2023</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. In the scientific literature known to us, there are no experimental data on the combined human health effect of nanoparticles of selenium and copper oxides, the exposure to which is feasible in metallurgy.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The cytotoxic effect was modelled on outbred female rats by a single intratracheal instillation of suspended nanoparticles of selenium and copper oxides at a concentration of 0.25 mg/ml. Cytological and biochemical parameters of the bronchoalveolar lavage fluid were evaluated 24 hours after the administration of the suspension.</p></sec><sec><title>Results</title><p>Results. The response of the lower airways to the combined exposure to SeO and CuO nanoparticles was more pronounced than that to the exposure to either of them, thus indicating its higher cytotoxicity as judged by cytological and biochemical parameters of the bronchoalveolar lavage fluid. The combined cytotoxic effect of SeO and CuO nanoparticles was characterized by typological diversity. According to the overwhelming number of the parameters studied, the additive nature of the combined effect of high exposure doses of SeO and CuO nanoparticles was demonstrated.</p></sec><sec><title>Limitations</title><p>Limitations. The research was limited to the study of the main indicators of cytotoxic effects.</p></sec><sec><title>Conclusion</title><p>Conclusion. To avoid underestimation of the cumulative health risk for workers in the chemical and slime shops of copper smelters, it is important to take into consideration the additive nature of the combined effect of toxicants under study.</p><p>Compliance with ethical standards. The study was conducted in accordance with the European Convention for the Protection of Vertebrate Animals Used for Experimental and Other Scientific Purposes. The study protocol was approved by the Local Ethics Committee of the Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers (Minutes No. 2 of April 20, 2021).</p></sec><sec><title>Contribution</title><p>Contribution: Ryabova Yu.V. — research concept and design, data collection and processing, statistical analysis, manuscript preparation, and editing; Tazhigulova A.V. — research concept and design, data collection and processing, statistical analysis. All authors are responsible for the integrity of all parts of the manuscript and approval of the manuscript final version. </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></sec><sec><title>Received</title><p>Received: October 27, 2022 / Accepted: December 8, 2022 / Published: January 12, 2023</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастицы</kwd><kwd>селен</kwd><kwd>медь</kwd><kwd>эксперимент</kwd><kwd>комбинированное действие</kwd><kwd>изоболы</kwd><kwd>поверхность отклика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanoparticles</kwd><kwd>selenium</kwd><kwd>copper</kwd><kwd>experiment</kwd><kwd>combined exposure</kwd><kwd>isobole</kwd><kwd>response surface</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">Набойченко C.С., ред. Производство селена и теллура на ОАО «Уралэлектромедь». Екатеринбург; 2015.</mixed-citation><mixed-citation xml:lang="en">Naboychenko C.S., ed. 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