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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">toxreview</journal-id><journal-title-group><journal-title xml:lang="ru">Токсикологический вестник</journal-title><trans-title-group xml:lang="en"><trans-title>Toxicological Review</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7922</issn><issn pub-type="epub">3034-4611</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">10.36946/0869-7922-2020-5-43-49</article-id><article-id custom-type="elpub" pub-id-type="custom">toxreview-339</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ОПРЕДЕЛЕНИЕ РИЦИНА В ОБЪЕКТАХ ОКРУЖАЮЩЕЙ СРЕДЫ С ПОМОЩЬЮ БИОТЕСТИРОВАНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>DETERMINATION OF RICIN IN ENVIRONMENTAL SAMPLES USING BIOASSAY</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>Роговская</surname><given-names>Н. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Rogovskaya</surname><given-names>N. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роговская Надежда Юрьевна, научный сотрудник </p><p>188663, Ленинградская область, г.п. Кузьмоловский</p></bio><bio xml:lang="en"><p>Rogovskaya Nadezhda Yur′evna </p><p>188663, Leningrad region</p></bio><email xlink:type="simple">niigpech@rihophe.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>Горбунов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbunov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбунов Александр Юрьевич, научный сотрудник </p><p>188663, Ленинградская область, г.п. Кузьмоловский</p></bio><bio xml:lang="en"><p>Gorbunov Aleksandr Yur′evich</p><p>188663, Leningrad region</p></bio><email xlink:type="simple">niigpech@rihophe.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>Дубровский</surname><given-names>Я. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubrovskii</surname><given-names>Ya. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дубровский Ярослав Александрович, кандидат биологических наук, старший научный сотрудник  </p><p>188663, Ленинградская область, г.п. Кузьмоловский</p></bio><bio xml:lang="en"><p>Dubrovskii Yaroslav Aleksandrovich</p><p>188663, Leningrad region</p></bio><email xlink:type="simple">niigpech@rihophe.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>Хлебникова</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khlebnikova</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хлебникова Наталья Семёновна, кандидат химических наук, начальник международного отдела  </p><p>188663, Ленинградская область, г.п. Кузьмоловский</p></bio><bio xml:lang="en"><p>Khlebnikova Natalia Semenovna </p><p>188663, Leningrad region</p></bio><email xlink:type="simple">niigpech@rihophe.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>Бабаков</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Babakov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бабаков Владимир Николаевич, кандидат биологических наук, ведущий научный сотрудник </p><p>188663, Ленинградская область, г.п. Кузьмоловский</p></bio><bio xml:lang="en"><p>Babakov Vladimir Nikolaevich </p><p>188663, Leningrad region</p></bio><email xlink:type="simple">babakov@rihophe.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУП «НИИ гигиены, профпатологии и экологии человека» ФМБА России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Hygiene, Occupational Pathology and Human Ecology, Federal Medical Biological Agency</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>05</day><month>11</month><year>2020</year></pub-date><volume>0</volume><issue>5</issue><fpage>43</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Роговская Н.Ю., Горбунов А.Ю., Дубровский Я.А., Хлебникова Н.С., Бабаков В.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Роговская Н.Ю., Горбунов А.Ю., Дубровский Я.А., Хлебникова Н.С., Бабаков В.Н.</copyright-holder><copyright-holder xml:lang="en">Rogovskaya N.Y., Gorbunov A.Y., Dubrovskii Y.A., Khlebnikova N.S., Babakov V.N.</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.toxreview.ru/jour/article/view/339">https://www.toxreview.ru/jour/article/view/339</self-uri><abstract><p>В работе предложена система биотестирования токсичности рицина в объектах окружаю щей среды с помощью технологии мониторинга клеточного индекса в реальном времени. Определена концентрация полумаксимального ингибирования (IC50) рицина ~ 6,7 нг/млдля клеток гепатомы человека линии HepaRG. Добавление антител к А- и В-субъединицам рицина в среду клеток HepaRG приводит к цитопротекторному и антиапоптотическому эффекту на фоне цитотоксического действия рицина. Антитела к рицину нейтрализуют активацию киназы JNK (фосфорилированной по Thr183/Tyr185) и предотвращают накопление активных форм каспазы 8 (гидролизованной по Asp384) и каспазы 9 (гидролизованной по Asp315), индуцированные рицином в клетках HepaRG. Исследованные антитела также предотвращают снижение внутриклеточных уровней активных форм киназы Akt 1 (фосфорилированной по Ser473) и транскрипционного фактора p53 (фосфорилированного по Ser46), вызванные рицином. Система биотестирования с использованием антител к рицину может рассматриваться как специфичный метод идентификации токсина в объектах окружающей среды.</p></abstract><trans-abstract xml:lang="en"><p>A bioassay of ricin toxicity in environmental samples using real-time cell index monitoring is proposed. The halfmaximal inhibitory concentration (IC50) of ricin was estimated at 6,7 ng/ml for human hepatoma HepaRG cells proliferation. The antibodies to A- and B-subunits in HepaRG cell media lead to cytoprotective and antiapoptotic effects against the cytotoxicity of ricin. The antibodies neutralised activation of JNK kinase (phosphorylated at Thr183/Tyr185) and prevented accumulation of the active forms of caspase 8 (hydrolysed to Asp384) and caspase 9 (hydrolysed to Asp315) induced by ricin in HepaRG cells. The tested antibodies also prevented a decrease in the intracellular levels of the active forms of Akt 1 kinase (phosphorylated at Ser473) and transcription factor p53 (phosphorylated at Ser46) caused by ricin. The bioassay with antibodies can be considered as a specific method for identifying the toxin in environmental samples.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рицин</kwd><kwd>биотестирование</kwd><kwd>маркеры апоптоза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ricin</kwd><kwd>bioassay</kwd><kwd>apoptosis markers</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">Козлов Ю.В., Сударкина О.Ю., Курманова А.Г. Рибосом-инактивирующие лектины растений Молекулярная биология. 2006; 40(4): 711-23.</mixed-citation><mixed-citation xml:lang="en">Kozlov J.V., Sudarkina O.J., Kurmanova A.G. Ribosome-inactivating lectins of plants. 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