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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">10.47470/0869-7922-2024-32-3-187-194</article-id><article-id custom-type="edn" pub-id-type="custom">zeevzm</article-id><article-id custom-type="elpub" pub-id-type="custom">toxreview-858</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>МЕТОДЫ ИССЛЕДОВАНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH METHODS</subject></subj-group></article-categories><title-group><article-title>Разработка и валидация иммунохроматографической тест-системы для определения микроцистинов в воде и тканях пресноводных рыб</article-title><trans-title-group xml:lang="en"><trans-title>Development and validation of an immunochromatographic test system for the determination of microcystins in water and tissues of freshwater fish</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-3977-4455</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Синьгов</surname><given-names>Евгений Константинович</given-names></name><name name-style="western" xml:lang="en"><surname>Singov</surname><given-names>Evgeny K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат мед. наук, начальник научно-исследовательской группы, ФГУП «НЦ "Сигнал"», 107014, Москва, Российская Федерация</p><p>e-mail: 9652291422@list.ru</p></bio><bio xml:lang="en"><p>Candidate of Medical Sciences, Head of the Research Group, FSUE NC Signal, 107014, Moscow, Russian Federation</p><p>e-mail: 9652291422@list.ru</p></bio><email xlink:type="simple">9652291422@list.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/0000-0001-9614-5236</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Моренков</surname><given-names>Олег Сергеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Morenkov</surname><given-names>Oleg S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор биол. наук, директор Института биофизики клетки ФИЦ «Пущинский научный центр биологических исследований РАН», 142290, Московская область, Пущино, Российская Федерация</p><p>e-mail: morenkov_o@mail.ru</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, Director of the Institute of Cell Biophysics of the Pushchinsky Scientific Center for Biological Research of the Russian Academy of Sciences, 142290, Moscow Region, Pushchino, Russian Federation</p><p>e-mail: morenkov_o@mail.ru</p></bio><email xlink:type="simple">morenkov_o@mail.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/0009-0008-0027-6994</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сипин</surname><given-names>Сергей Валерьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Sipin</surname><given-names>Sergey V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старший научный сотрудник НИГ ФГУП «НЦ "Сигнал"», 107014, Москва, Российская Федерация</p><p>e-mail: reepper@mail.ru</p></bio><bio xml:lang="en"><p>Senior Researcher at NIG FSUE NC Signal, 107014, Moscow, Russian Federation</p><p>e-mail: reepper@mail.ru</p></bio><email xlink:type="simple">reepper@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/0000-0002-0993-7356</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Врублевская</surname><given-names>Вероника Валерьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Vrublevskaya</surname><given-names>Veronika V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ведущий научный сотрудник Института биофизики клетки ФИЦ «Пущинский научный центр биологических исследований РАН», 142290, Московская область, Пущино, Российская Федерация</p><p>e-mail: v_vrublevskaya@mail.ru</p></bio><bio xml:lang="en"><p>Senior Researcher at the Institute of Cell Biophysics of the Pushchinsky Scientific Center for Biological Research of the Russian Academy of Sciences, 142290, Moscow Region, Pushchino, Russian Federation</p><p>e-mail: v_vrublevskaya@mail.ru</p></bio><email xlink:type="simple">v_vrublevskaya@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУП «Научный центр "Сигнал"»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal state unitary enterprise "Scientific Center "Signal""</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт биофизики клетки ФИЦ «Пущинский научный центр биологических исследований российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Cell Biophysics, Federal Research Center “Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2024</year></pub-date><volume>32</volume><issue>3</issue><fpage>187</fpage><lpage>194</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Синьгов Е.К., Моренков О.С., Сипин С.В., Врублевская В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Синьгов Е.К., Моренков О.С., Сипин С.В., Врублевская В.В.</copyright-holder><copyright-holder xml:lang="en">Singov E.K., Morenkov O.S., Sipin S.V., Vrublevskaya V.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.toxreview.ru/jour/article/view/858">https://www.toxreview.ru/jour/article/view/858</self-uri><abstract><sec><title>Введение</title><p>Введение. Отдельные роды цианобактерий продуцируют гепатотоксины, относящиеся к группе микроцистинов (МЦ). В периоды «цветения» воды зарегистрированы случаи отравления и гибели рыб, птиц, диких и домашних животных, а также человека, связанные с потреблением воды, сине-зеленых водорослей или других гидробионтов, контаминированных МЦ. Своевременное выявление МЦ в водохранилищах, в питьевой воде и гидробионтах является основой для проведения профилактических мероприятий по предупреждению отравления людей и животных микроцистинами.</p></sec><sec><title>Результаты</title><p>Результаты. Разработана иммунохроматографическая тест-система для определения МЦ в питьевой воде, воде пресных водоемов и тканях рыб. При визуальном учете результатов анализа пороговая чувствительность тест-системы при определении МЦ-LR составляла не более 0,1 нг/мл для питьевой воды и не более 0,5 нг/мл для речной и озерной воды, что ниже установленных Всемирной организацией здравоохранения (ВОЗ) и Роспотребнадзором предельных допустимых концентраций (ПДК) для МЦ-LR. При анализе тканей рыб пороговая чувствительность тест-системы составляла не более 3 нг/г ткани. Использование инструментального способа учета результатов приводило к снижению в 2–3 раза минимальной определяемой концентрации МЦ-LR. Тест-система позволяла проводить полуколичественное определение содержания МЦ в воде и тканях рыб и с различной эффективностью выявляла разные виды МЦ и структурно близкий гепатотоксин нодуларин.</p></sec><sec><title>Ограничения исследования</title><p>Ограничения исследования. Тест-система не позволяет выявлять некоторые виды МЦ, однако определяет наиболее распространённые и опасные виды, в том числе МЦ-LR.</p></sec><sec><title>Заключение</title><p>Заключение. Разработанная тест-система может быть использована для мониторинга содержания МЦ в питьевой воде, воде открытых водоемов и в тканях рыб.</p><p>Соблюдение этических стандартов. Исследование не требует представления заключения комитета по биомедицинской этике или иных документов.</p></sec><sec><title>Участие авторов</title><p>Участие авторов. Все соавторы внесли равнозначный вклад в исследование и подготовку статьи к публикации.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы заявляют об отсутствии конфликта интересов.</p></sec><sec><title>Финансирование</title><p>Финансирование. Работа выполнена в соответствии с планами проведения научно-исследовательских работ ФГУП «Научный центр “Сигнал”» и Института биофизики клетки ФИЦ «ПНЦБИ РАН».</p></sec><sec><title>Поступила в редакцию</title><p>Поступила в редакцию: 18.12.2023 / Принята в печать: 05.05.2024 / Опубликована: 28.06.2024</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Certain genera of cyanobacteria produce hepatotoxins associated with the group of microcystins (MCs). During periods of water blooms, cases of poisoning and death of fish, birds, wild and domestic animals, as well as humans, associated with the consumption of water, blue-green algae or other aquatic organisms contaminated with MC, have been recorded. Timely detection of MC in water reservoirs, in drinking water and in hydrobionts is necessary for carrying out preventive measures to prevent poisoning of people and animals with microcystins.</p></sec><sec><title>Results</title><p>Results. An immunochromatographic test system has been developed for the determination of MC in drinking water, fresh water and fish tissues. When using the visual method of recording the results, the detection limit of the test system for determining MC-LR was no more than 0.1 ng/ml for drinking water and no more than 0.5 ng/ml for river and lake water, which is lower than maximum allowable concentration for MC-LR established by the World Health Organization (WHO) and Rospotrebnadzor. When analyzing fish tissues, the detection limit of the test system was no more than 3 ng/g tissue. The use of an instrumental method for recording results led to a 2–3-fold decrease in the minimum detectable concentration of MC-LR. The test system allowed semi-quantitative determination of MC content in water and fish tissues and detected different types of MC and the structurally similar hepatotoxin nodularin with varying efficiency.</p></sec><sec><title>Limitations</title><p>Limitations. The test system does not allow the detection of some types of MC, but it identifies the most widespread and dangerous types, including MC-LR.</p></sec><sec><title>Conclusion</title><p>Conclusion. The developed test system can be used to monitor the content of MC in drinking water, water from open reservoirs and in fish tissues.</p><p>Compliance with ethical standards. The study does not require of the conclusion of the biomedical ethics committee or other documents.</p></sec><sec><title>Authors contribution</title><p>Authors contribution. All co-authors made an equal contribution to the research and preparation of the article for publication.</p></sec><sec><title>Conflict of interest</title><p>Conflict of interest. The author declare no conflict of interest.</p></sec><sec><title>Acknowledgment</title><p>Acknowledgment. The work was carried out in accordance with the research plans of the Federal State Unitary Enterprise “Scientific Center “Signal” and the Institute of Cell Biophysics of the Federal Research Center “PSCBI RAS”.</p></sec><sec><title>Received</title><p>Received: December 18, 2023 / Accepted: May 5, 2024 / Published: June 28, 2024</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>микроцистины</kwd><kwd>нодуларин</kwd><kwd>цианобактерии</kwd><kwd>иммунохроматографическая тест-система</kwd></kwd-group><kwd-group xml:lang="en"><kwd>microcystins</kwd><kwd>nodularin</kwd><kwd>cyanobacteria</kwd><kwd>immunochromatographic test system</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">Butler N., Carlisle J.C., Linville R., Washburn B. Microcystins: A brief overview of their toxicity and effects, with special reference to fish, wildlife, and livestock. 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