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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">10.47470/0016-9900-2024-103-3-190-197</article-id><article-id custom-type="edn" pub-id-type="custom">cuhrlc</article-id><article-id custom-type="elpub" pub-id-type="custom">medlit-3832</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>Оценка биологического действия природного кремния при его поступлении в организм экспериментальных животных с питьевой водой. Часть 1</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the biological effect of natural silicon when entering the body of experimental animals with drinking water. Part 1</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6751-6149</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егорова</surname><given-names>Наталья Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Egorova</surname><given-names>Natalija A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор мед. наук, вед. науч. сотр., ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: NEgorova@cspmz.ru</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Leading Researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: NEgorova@cspmz.ru</p></bio><email xlink:type="simple">NEgorova@cspmz.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/0000-0003-2067-8014</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рахманин</surname><given-names>Юрий Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmanin</surname><given-names>Yurii A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор мед. наук, профессор, академик РАН, Заслуженный деятель науки РФ, гл. науч. сотр., ФГБУ «Центр стратегического планирования» ФМБА России, 119121, Москва, Россия</p><p>e-mail: YuRakhmanin@cspmz.ru</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Professor, Academician of the Russian Academy of Sciences, Honored Scientist of the Russian Federation, Chief Researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: YuRakhmanin@cspmz.ru</p></bio><email xlink:type="simple">YuRakhmanin@cspmz.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/0000-0001-7194-9131</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайлова</surname><given-names>Руфина Иринарховна</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailova</surname><given-names>Rufina I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор мед. наук, профессор, вед. науч. сотр., ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: RMihaylova@cspmz.ru</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Professor, Leading Researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: RMihaylova@cspmz.ru</p></bio><email xlink:type="simple">RMihaylova@cspmz.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/0000-0003-0170-3085</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хрипач</surname><given-names>Людмила Васильевна</given-names></name><name name-style="western" xml:lang="en"><surname>Khrypach</surname><given-names>Ljudmila V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор мед. наук, вед. науч. сотр., ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: LKhripach@cspmz.ru</p></bio><bio xml:lang="en"><p>Doctor of Medical Sciences, Leading Researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: LKhripach@cspmz.ru</p></bio><email xlink:type="simple">LKhripach@cspmz.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/0000-0002-0422-8382</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алексеева</surname><given-names>Анна Венедиктовна</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseeva</surname><given-names>Anna V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. мед. наук, вед. науч. сотр., ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: AAlekseeva@cspmz.ru</p></bio><bio xml:lang="en"><p>MD, PhD, leading researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: AAlekseeva@cspmz.ru</p></bio><email xlink:type="simple">AAlekseeva@cspmz.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/0000-0003-0696-5359</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыжова</surname><given-names>Ирина Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhova</surname><given-names>Irina N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. мед. наук, вед. специалист, ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: IRyzhova@cspmz.ru</p></bio><bio xml:lang="en"><p>MD, PhD , leading specialist, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: IRyzhova@cspmz.ru</p></bio><email xlink:type="simple">IRyzhova@cspmz.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/0000-0001-9616-4517</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кочеткова</surname><given-names>Марина Германовна</given-names></name><name name-style="western" xml:lang="en"><surname>Kochetkova</surname><given-names>Marina G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Науч. сотр., ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: MKochetkova@cspmz.ru</p></bio><bio xml:lang="en"><p>Researcher, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federatio</p><p>e-mail: MKochetkova@cspmz.ru</p></bio><email xlink:type="simple">MKochetkova@cspmz.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/0000-0001-5279-5018</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Князева</surname><given-names>Татьяна Дмитриевна</given-names></name><name name-style="western" xml:lang="en"><surname>Knyazeva</surname><given-names>Tat’jana D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. биол. науке, вед. биолог, ФГБУ «ЦСП» ФМБА России, 119121, Москва, Россия</p><p>e-mail: TKnyazeva@cspmz.ru</p></bio><bio xml:lang="en"><p>MD, PhD, leading biolog, Centre for Strategic Planning of FMBA of Russia, 119121, Moscow, Russian Federation</p><p>e-mail: TKnyazeva@cspmz.ru</p></bio><email xlink:type="simple">TKnyazeva@cspmz.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Центр стратегического планирования и управления медико-биологическими рисками здоровью» Федерального медико-биологического агентства</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Centre for Strategic Planning of FMBA of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Центр стратегического планирования и управления медико-биологическими рисками здоровью» Федерального медико-биологического агентства; ФБУН «Федеральный научный центр гигиены имени Ф.Ф. Эрисмана» Федеральной службы по надзору в сфере защиты прав потребителей и благополучия человека</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Centre for Strategic Planning of FMBA of Russia; Federal Scientific Center of Hygiene named after F.F. Erisman of the Federal Service for Supervision in Protection of the Rights of Consumer and Man Wellbeing</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>04</month><year>2024</year></pub-date><volume>103</volume><issue>3</issue><fpage>190</fpage><lpage>197</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Егорова Н.А., Рахманин Ю.А., Михайлова Р.И., Хрипач Л.В., Алексеева А.В., Рыжова И.Н., Кочеткова М.Г., Князева Т.Д., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Егорова Н.А., Рахманин Ю.А., Михайлова Р.И., Хрипач Л.В., Алексеева А.В., Рыжова И.Н., Кочеткова М.Г., Князева Т.Д.</copyright-holder><copyright-holder xml:lang="en">Egorova N.A., Rakhmanin Y.A., Mikhailova R.I., Khrypach L.V., Alekseeva A.V., Ryzhova I.N., Kochetkova M.G., Knyazeva T.D.</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/3832">https://www.rjhas.ru/jour/article/view/3832</self-uri><abstract><sec><title>Введение</title><p>Введение. Биологическое действие природного кремния (Si) и его гигиеническое нормирование в питьевой воде по-прежнему остаются предметами разногласий в научной литературе и в практике обеспечения благоприятных условий водопользования населения. В связи с этим проведена оценка действия на организм лабораторных животных природного кремния, содержащегося в питьевой воде в концентрациях, близких к ПДК.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследованы питьевые воды с содержанием природного Si на уровнях ПДК в воде. Действие оценивали в 90-дневном эксперименте на 80 белых беспородных крысах-самцах. Вели наблюдения за общим состоянием, внешним видом животных, динамикой массы тела и водопотребления, изучали морфологический состав цельной крови, в пробах сыворотки определяли биохимические показатели состояния внутренних органов, в том числе печени (активность АЛТ и АСТ, уровень общего белка и альбумина), поджелудочной железы (активность α-амилазы), почек (содержание креатинина), а также активность лактатдегидрогеназы как неспецифического индикатора повреждения тканей.</p></sec><sec><title>Результаты</title><p>Результаты. У животных, получавших с питьевой водой 17 ± 3,4 мг/л кремния при жёсткости 2,25 ± 0,47 мг-экв/л, обнаружено достоверное снижение активности АЛТ на 30-й и 90-й дни эксперимента и АСТ — на 90-й день, увеличение содержания общего белка и альбумина в сыворотке на 30-е сутки опыта. Питьевая вода с концентрациями кремния 20,5 ± 4,1 мг/л и жёсткостью 3,55 ± 0,76 мг-экв/л снижала активность АЛТ и концентрацию креатинина в сыворотке на 30-е сутки и повышала активность амилазы на 90-е сутки эксперимента. Наибольшее водопотребление и поступление кремния с питьевой водой отмечено у животных в первый месяц эксперимента.</p></sec><sec><title>Ограничения исследования</title><p>Ограничения исследования. Ограничения исследования связаны с небольшой продолжительностью наблюдения и малым количеством точек определения биохимических показателей во времени.</p></sec><sec><title>Заключение</title><p>Заключение. Употребление в течение 90 дней питьевой воды, содержащей природный кремний, привело к изменениям биохимических показателей, в значительной степени свидетельствующим о положительном влиянии элемента в концентрациях 17 ± 3,4 и 20,5 ± 4,1 мг/л на организм лабораторных животных.</p><p>Соблюдение этических стандартов. Исследование одобрено локальным этическим комитетом ФГБУ «Центр стратегического планирования и управления медико-биологическими рисками здоровью» ФМБА России, проведено в соответствии с Европейской конвенцией о защите позвоночных животных, используемых для экспериментов или в иных научных целях (ETS N 123), директивой Европейского парламента и Совета Европейского союза 2010/63/EC от 22.09.2010 г. о защите животных, использующихся для научных целей.</p></sec><sec><title>Участие авторов</title><p>Участие авторов:Егорова Н.А. — концепция и дизайн исследования, анализ материала, написание текста, редактирование;Рахманин Ю.А. — концепция и дизайн исследования, редактирование, утверждение окончательного варианта статьи, ответственность за целостность всех частей статьи;Михайлова Р.И. — концепция и дизайн исследования, редактирование, ответственность за целостность всех частей статьи; Хрипач Л.В. — биохимический анализ;Алексеева А.В. — организация исследований;Рыжова И.Н. — концепция и дизайн статьи, сбор и обработка материала;Кочеткова М.Г. — сбор и обработка материала, ответственность за целостность всех частей статьи;Князева Т.Д. — биохимический анализ.</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: 15.02.2024 / Принята к печати: 11.03.2024 / Опубликована: 10.04.2024</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The biological effect of natural silicon (Si) and its hygienic regulation in drinking water still remain subjects of controversy in the scientific literature and in the practice of providing favourable conditions for water use by the population. In this regard, an assessment was made of the effect of natural silicon contained in drinking water in concentrations close to the maximum permissible concentration on the body of laboratory animals.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Drinking waters containing natural Si at MPC levels in water were studied, their effect was assessed in a three-month experiment on 80 white outbred male rats. Observations were made of the general condition, appearance of the animals, body weight dynamics, water consumption. The morphological composition of whole blood was studied. Biochemical indices of the condition of internal organs, including the liver, were determined in serum samples (the ALT and AST activity, the level of total protein and albumin), pancreas (α-amylase activity), kidneys (creatinine content), as well as lactate dehydrogenase activity as a nonspecific indicator of tissue damage.</p></sec><sec><title>Results</title><p>Results. In animals received 17±3.4 mg/L silicon with drinking water at a hardness of 2.25±0.47 mg-eq/L, a significant decrease in ALT activity was found on the 30th and 90th days of the experiment, AST — on 90th day, increase in the content of total protein and albumin in the serum on the 30th day of the experiment. Drinking water with silicon concentrations of 20.5±4.1 mg/L and hardness 3.55±0.76 mg-eq/L decreased ALT activity and serum creatinine concentration on the 30th day and increased amylase activity on the 90th day of the experiment. The animals had the highest water consumption and intake of silicon from drinking water over the first month of the experiment.</p></sec><sec><title>Limitations</title><p>Limitations. Limitations of the study are related to the short duration of observation and the small number of points for determining biochemical parameters over time.</p></sec><sec><title>Conclusion</title><p>Conclusion. Consumption of drinking water containing natural silicon for 90 days led to changes in biochemical indices, largely indicating the positive effect of the element in concentrations of 17±3.4 mg/L and 20.5±4.1 mg/L on the body of laboratory animals.</p><p>Compliance with ethical standards. The study was approved by the local ethics committee of the Federal State Budgetary Institution "Center for Strategic Planning and Management of Biomedical Health Risks" of the FMBA of Russia, conducted in accordance with the European Convention for the Protection of Vertebrates Used for Experiments or Other Scientific Purposes (ETS N 123), Directive 2010/63/EC of the European Parliament and of the Council of the European Union dated 09/22/2010 on protection of animals used for scientific purposes.</p></sec><sec><title>Contribution</title><p>Contribution:Egorova N.A. — concept and design of the study, material analysis, writing text, editing;Rakhmanin Yu.A. — concept and design of the study, editing, approval of the final version of the article, responsibility for the integrity of all parts of the article;Mikhailova R.I. — concept and design of the study, editing;Khripach L.V. — biochemical analysis;Alekseeva A.V. — research organization; Ryzhova I.N. — concept and design of the study, collection and processing of material; Kochetkova M.G. — collection and processing of material, approval of the final version of the article; Knyazeva T.D. — biochemical 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: February 15, 2024 / Accepted: March 11, 2024 / Published: April 10, 2024</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>питьевая вода</kwd><kwd>природный кремний</kwd><kwd>биологическое действие в экспериментальных условиях</kwd></kwd-group><kwd-group xml:lang="en"><kwd>drinking water</kwd><kwd>natural silicon</kwd><kwd>biological effect under experimental conditions</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">Вапиров В.В., Феоктистов В.М., Венскович А.А., Вапирова Н.В. 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