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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">10.47470/0016-9900-2018-97-5-434-440</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-565</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>ГИГИЕНА ОКРУЖАЮЩЕЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENVIRONMENTAL HYGIENE</subject></subj-group></article-categories><title-group><article-title>Действие нитрита натрия на канцерогенез, индуцированный накожной аппликацией бенз(а)пирена</article-title><trans-title-group xml:lang="en"><trans-title>The impact of sodium nitrite on carcinogenesis induced by skin application of benzo(a)pyrene</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>Рыжова</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhova</surname><given-names>N. 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"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дерягина</surname><given-names>Валентина Петровна</given-names></name><name name-style="western" xml:lang="en"><surname>Deryagina</surname><given-names>Valentina P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. биол. наук, ст. науч. сотр. отдела химического канцерогенеза НИИ канцерогенеза РОНЦ им. Н.Н. Блохина Минздрава России.</p><p>e-mail: derygina@inbox.ru</p></bio><bio xml:lang="en"><p>MD, Ph.D., senior researcher of the Institute of Carcinogenesis of the N.N. Blokhin Russian Cancer Research Center, Moscow, 115478, Russian Federation.</p><p>e-mail: derygina@inbox.ru</p></bio><email xlink:type="simple">derygina@inbox.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>Ильницкий</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilnitsky</surname><given-names>A. P.</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>ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России</institution></aff><aff xml:lang="en"><institution>N.N. Blokhin Russian Cancer Research Center</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2020</year></pub-date><volume>97</volume><issue>5</issue><fpage>434</fpage><lpage>440</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рыжова Н.И., Дерягина В.П., Ильницкий А.П., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Рыжова Н.И., Дерягина В.П., Ильницкий А.П.</copyright-holder><copyright-holder xml:lang="en">Ryzhova N.I., Deryagina V.P., Ilnitsky A.P.</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/565">https://www.rjhas.ru/jour/article/view/565</self-uri><abstract><p>Важной особенностью жизни современного человека является значительное загрязнение окружающей среды, создающее опасность одновременного воздействия на организм канцерогенных и токсических соединений. В эксперименте на 320 мышах-самках F1(CBAхC57BL/6) изучали комбинированное действие бенз(а)пирена (БП) и нитрита (НИ) — убиквитарно распространённых соединений. Мыши (6 групп по 50 животных) получали аппликацию БП на кожу в разовой дозе 6 или 9 мкг/мышь (двумя курсами по 12 недель каждый) или БП в этих же дозах в комбинации с нитритом натрия (НН), получаемым на протяжении всего эксперимента животными с водой в концентрации 50 мг/л или 500 мг/л (расчёт по молекуле NaNO2), т. е. на уровне 10 и 100 ПДК нитрита в воде. Исследование показало, что НН оказывает умеренное потенцирующее действие на канцерогенез, индуцированный накожным нанесением БП, увеличивая показатель множественности опухолей в 1,4–1,6 раза (p &lt; 0,05), а также частоту опухолей кожи и гормонозависимых опухолей. При действии максимальных доз БП + НН (9 мкг + 500 мг/л) количество животных с опухолями кожи увеличилось в 2,4 раза (p &lt; 0,01). Количество животных с гормонозависимыми опухолями (суммарно: опухоли молочной железы, яичников и матки) при комбинированном действии на мышей БП + НН в обеих изученных концентрациях возросло в 2,8–3,5 раза (р &lt; 0,01) в сравнении с действием одного БП. Обсуждается возможный механизм стимулирования канцерогенного процесса за счёт повышенного образования активных форм кислорода, метаболитов оксида азота, а также угнетения фагоцитарной функции нейтрофилов крови. </p></abstract><trans-abstract xml:lang="en"><p>An important feature of the modern life is a significant environmental pollution, which creates the danger of simultaneous effects of carcinogenic and toxic compounds on the human organism. The combined effect of such ubiquitously common compounds as benzo(a)pyrene (BP) and nitrites (NI) was studied in the experiment, on 320 female mice F1 (CBAxC57BL/6). The mice (6 groups of 50 animals) received BP application on the skin at a dose of 6 or 9 µg/mouse (two cycles for 12 weeks each) or BP in the same doses in combination with sodium nitrite (SN) was administered to animals with water at a concentration of 50 mg/l or 500 mg/l throughout the entire experiment. The study revealed SN to have moderate potent effects on carcinogenesis induced by cutaneous application of BP, increasing tumor multiplicity index by 1.4–1.6 times (p &lt; 0,05), as well as the prevalence rate of skin tumors and hormone-dependent tumors. Under the action of the maximum doses of BP + SN (9 µg + 500 mg/l), the number of animals with skin tumors increased by 2.4 times (p &lt; 0.01). The number of animals with hormone-dependent tumors (total: breast, ovary, and uterus) increased by 2.8–3.5 times (p &lt; 0.01) under the combined effect on BP+SN compared with that of BP alone. There is discussed a possible mechanism of the stimulation the carcinogenic process due to the increased appearance of reactive oxygen species, nitric oxide metabolites, as well as the suppression of the phagocytic function of blood neutrophils.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>канцерогенез</kwd><kwd>бенз(а)пирен</kwd><kwd>нитраты</kwd><kwd>нитриты</kwd><kwd>нитрит натрия</kwd><kwd>комбинированное действие</kwd><kwd>мыши</kwd><kwd>опухоли</kwd><kwd>фагоцитоз</kwd><kwd>активные формы кислорода</kwd><kwd>метаболиты оксида азота</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">IARC monographs on the evaluation of carcinogenic risks to humans. Chemical agents and related occupations. Benzo[a]pyrene. Lyon: IARC. 2012; 100F: 111-44.</mixed-citation><mixed-citation xml:lang="en">IARC monographs on the evaluation of carcinogenic risks to humans. 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