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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">arthyper</journal-id><journal-title-group><journal-title xml:lang="ru">Артериальная гипертензия</journal-title><trans-title-group xml:lang="en"><trans-title>"Arterial’naya Gipertenziya" ("Arterial Hypertension")</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-419X</issn><issn pub-type="epub">2411-8524</issn><publisher><publisher-name>Antihypertensive League</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18705/1607-419X-2021-27-4-436-445</article-id><article-id custom-type="elpub" pub-id-type="custom">arthyper-1950</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>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLE</subject></subj-group></article-categories><title-group><article-title>Уровни экспрессии мРНК NAP-22 и MARCKS в почках крыс со спонтанной гипертензией при потреблении воды с различным содержанием кальция</article-title><trans-title-group xml:lang="en"><trans-title>NAP-22 and MARCKS mRNA expression levels in spontaneously hypertensive rat kidneys: the effect of drinking water with different calcium contents</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5076-4058</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Альдекеева</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Aldekeeva</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Альдекеева Анна Сергеевна — инженер 1-й категории лаборатории методов и приборов иммунного и генетического анализа.</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Anna S. Aldekeeva, Engineer of the 1st Category, Laboratory of Methods and Devices of Immune and Genetic Analysis.</p><p>St Petersburg</p></bio><email xlink:type="simple">anya.aldekeeva@yandex.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>Плеханов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Plekhanov</surname><given-names>A. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Плеханов Антон Юрьевич — кандидат биологических наук, научный сотрудник лаборатории биополимеров.</p><p>Гатчина, Санкт-Петербург</p></bio><bio xml:lang="en"><p>Anton Y. Plekhanov, PhD in Biology Sciences, Researcher, Laboratory of Biopolymers.</p><p>Gatchina, St Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клюева</surname><given-names>Н. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Klyueva</surname><given-names>N. Z.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Клюева Наталия Зиновьевна — кандидат биологических наук, старший научный сотрудник, руководитель группы экспериментальной кардиологии.</p><p>Наб. Макарова, д.6, Санкт-Петербург, 199034</p></bio><bio xml:lang="en"><p>Natalya Z. Klyueva, PhD in Biology Sciences, Senior Researcher, Experimental Cardiology Group.</p><p>St Petersburg</p></bio><email xlink:type="simple">natklueva@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное бюджетное государственное учреждение науки Институт аналитического приборостроения, Российская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Analytical Instrumentation, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное бюджетное государственное учреждение науки Национальный исследовательский центр Курчатовский институт — ПИЯФ; Федеральное бюджетное государственное учреждение науки «Институт высокомолекулярных соединений, Российскя академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Petersburg Nuclear Physics Institute, Kurchatov Centre; Institute of Macromolecular Compounds, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральное бюджетное государственное учреждение науки Институт физиологии имени И.П. Павлова, Российская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pavlov Institute of Physiology, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>19</day><month>10</month><year>2021</year></pub-date><volume>27</volume><issue>4</issue><fpage>436</fpage><lpage>445</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Альдекеева А.С., Плеханов А.Ю., Клюева Н.З., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Альдекеева А.С., Плеханов А.Ю., Клюева Н.З.</copyright-holder><copyright-holder xml:lang="en">Aldekeeva A.S., Plekhanov A.Y., Klyueva N.Z.</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://htn.almazovcentre.ru/jour/article/view/1950">https://htn.almazovcentre.ru/jour/article/view/1950</self-uri><abstract><p>Цель исследования — оценить влияние уровня потребления кальция с питьевой водой на экспрессию мРНК белков NAP-22 и MARCKS в корковом и мозговом слоях почек крыс со спонтанной гипертензией.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Работа выполнена на самцах крыс линии SHR (n = 8) и самцах крыс линии WKY (n = 8), в возрасте 90 дней. Исследование проводили на образцах ткани из коркового и мозгового слоев почек. Уровни экспрессии мРНК NAP-22 и MARCKS определяли методом ОТ-ПЦР в реальном времени.</p></sec><sec><title>Результаты</title><p>Результаты. Обнаружено, что при достаточном поступлении в организм экзогенного кальция с питьевой водой экспрессия мРНК белков NAP-22 и MARCKS в почках крыс со спонтанной гипертензией находится на уровне, характерном для нормотензивных крыс. При потреблении питьевой воды с недостаточным содержанием кальция этот показатель существенно снижается у обеих линий крыс, причем в большей степени при спонтанной гипертензии, особенно в мозговом веществе.</p></sec><sec><title>Заключение</title><p>Заключение. Генетически детерминированные нарушения обмена кальция в клетках почек крыс со спонтанной гипертензией (линия SHR) и их влияние на процессы внутриклеточной сигнализации сильнее проявляются при сниженном поступлении экзогенного кальция.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. The aim of study was to assess the effect of the level of calcium intake with drinking water on NAP-22 and MARCKS mRNA expression in cortical and medullar kidney layers of spontaneously hypertensive rats.</p></sec><sec><title>Design and methods</title><p>Design and methods. The study involved 90-day-old SHR (n = 8) and WKY (n = 8) strain rats of both sexes. We assessed tissue samples from cortical and medullar kidney layers. NAP-22 and MARCKS mRNA expression levels were determined by RT-PCR.</p></sec><sec><title>Results</title><p>Results. Sufficient drinking water calcium intake was associated with similar the expression of NAP-22 and MARCKS mRNA in kidneys of spontaneously hypertensive and normotensive rats. Consumption of drinking water with insufficient calcium content it decreases in both rat strains, being more evident in spontaneously hypertensive rats, especially in the medullar layer.</p></sec><sec><title>Conclusions</title><p>Conclusions. Our results show that genetically determined impairments of calcium metabolism in cells of spontaneously-hypertensive rats (SHR line) and their effect on intracellular signaling processes are more evident with the reduced intake of exogenous calcium.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>SHR</kwd><kwd>почки</kwd><kwd>NAP-22</kwd><kwd>MARCKS</kwd><kwd>содержание кальция в питьевой воде</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SHR</kwd><kwd>kidney</kwd><kwd>NAP-22</kwd><kwd>MARCKS</kwd><kwd>calcium content in drinking water</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в ФГБУН «Институт аналитического приборостроения РАН» в рамках Государственного задания 075–00780–19–02 по теме № 0074–2019–0013 Министерства науки и высшего образования РФ</funding-statement><funding-statement xml:lang="en">The work was carried out in the Institute for Analytical Instrumentation, Russian Academy of Sciences within the framework of the Governmental Task 075–00780–19–02, the topic № 0074–2019–0013 of the Ministry of Science and Higher Education of the Russian Federation</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Альдекеева А.С., Крайнова Ю.С., Руденко Е.Д., Клюева Н. 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