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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Medicine</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-0245</issn><issn publication-format="electronic">2313-0261</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">27542</article-id><article-id pub-id-type="doi">10.22363/2313-0245-2021-25-3-248-255</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Physiology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Физиология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Morphofunctional characterization of rat thymus mast cells after administration of magnesium orotate mechanically activated forms</article-title><trans-title-group xml:lang="ru"><trans-title>Морфофункциональная характеристика мастоцитов тимуса крыс при введении механоактивированной формы магния оротата</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7777-6825</contrib-id><name-alternatives><name xml:lang="en"><surname>Chuchkova</surname><given-names>Natalya N.</given-names></name><name xml:lang="ru"><surname>Чучкова</surname><given-names>Н. Н.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1801-5353</contrib-id><name-alternatives><name xml:lang="en"><surname>Smetanina</surname><given-names>Marina V.</given-names></name><name xml:lang="ru"><surname>Сметанина</surname><given-names>М. В.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4479-508X</contrib-id><name-alternatives><name xml:lang="en"><surname>Shklyaev</surname><given-names>Alexei E.</given-names></name><name xml:lang="ru"><surname>Шкляев</surname><given-names>А. Е.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3390-4343</contrib-id><name-alternatives><name xml:lang="en"><surname>Pazinenko</surname><given-names>Ksenia A.</given-names></name><name xml:lang="ru"><surname>Пазиненко</surname><given-names>К. А.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2885-5882</contrib-id><name-alternatives><name xml:lang="en"><surname>Kormilina</surname><given-names>Natalya V.</given-names></name><name xml:lang="ru"><surname>Кормилина</surname><given-names>Н. В.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8386-3300</contrib-id><name-alternatives><name xml:lang="en"><surname>Kanunnikova</surname><given-names>Olga M.</given-names></name><name xml:lang="ru"><surname>Канунникова</surname><given-names>О. М.</given-names></name></name-alternatives><email>mig05@inbox.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Izhevsk State Medical Academy</institution></aff><aff><institution xml:lang="ru">Ижевская государственная медицинская академия</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Udmurt Federal Research Center of the Ural Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Удмуртский федеральный исследовательский центр Уральского отделения Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-10-02" publication-format="electronic"><day>02</day><month>10</month><year>2021</year></pub-date><volume>25</volume><issue>3</issue><issue-title xml:lang="en">PULMONOLOGY</issue-title><issue-title xml:lang="ru">ПУЛЬМОНОЛОГИЯ</issue-title><fpage>248</fpage><lpage>255</lpage><history><date date-type="received" iso-8601-date="2021-10-02"><day>02</day><month>10</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Chuchkova N.N., Smetanina M.V., Shklyaev A.E., Pazinenko K.A., Kormilina N.V., Kanunnikova O.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Чучкова Н.Н., Сметанина М.В., Шкляев А.Е., Пазиненко К.А., Кормилина Н.В., Канунникова О.М.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Chuchkova N.N., Smetanina M.V., Shklyaev A.E., Pazinenko K.A., Kormilina N.V., Kanunnikova O.M.</copyright-holder><copyright-holder xml:lang="ru">Чучкова Н.Н., Сметанина М.В., Шкляев А.Е., Пазиненко К.А., Кормилина Н.В., Канунникова О.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/medicine/article/view/27542">https://journals.rudn.ru/medicine/article/view/27542</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Relevance. The topicality of the work is determined by the wide spread of hypomagnesemia among the people, which makes it necessary to correct it. The aim of the work is to elucidate the cell-mediated response of the thymus mastocytic link to magnesium deficiency and its correction by the mechanoactivated form of magnesium orotate. Materials and Methods . Animals with drug-induced magnesium deficiency (administration of furosemide 30 mg/kg for 14 days) were administered either the initial preparation Magnerot (Magnerot©, Vervag Pharma, Germany), or its mechanoactivated form. The level of magnesium in the blood was determined by test systems «ARKREY» (Japan). The concentration of magnesium in the thymus tissue was determined by the method of emission spectroscopy with inductively coupled (argon) plasma on an atomic emission spectrometer. Density of mastocytes and the indices of degranulation and granulolosis were calculated on paraffin sections of the thymus after coloration with toluidine blue. Results and Discussion . It was shown that furosemide administration the amount of magnesium decreased in the blood (from 1,75±0,08 to 0,902±0,18 mmol/l, p&lt;0,05), but increased in the thymus (from 1,6±0,6 in the control to 3,7±1,2 mg/l); in the gland tissue, the number of mastocytes of morphotype «A» decreased and the number of mastocytes of morphotype «D», after active degranulation, increased (by 7,1 times, p&lt;0,05). The type of mastocyte secretion in hypomagnesemia is represented by the merocrine variant. The administration of the initial magnesium orotate led to an increase in the concentration of magnesium in the blood to 1,15±0,25 mmol/l, which is 65,7% of the initial level, the amount of magnesium in the thymus remained elevated (3,4±1,1 mg/l), the number of actively degranulating cells (morphotype «D») was increased. Mechanoactivated magnesium orotate restored the concentration of Mg2+ in the blood to 89,1% (1,56±0,18 mmol/l, p&gt;0,05) and decreased in the thymus (to 2,3±0,7 mg/l), restored the subpopulation of mastocytes saturated with heparin (type «A»), reduced the number of mastocytes of morphotype «D». Conclusion . The mechanoactivated form of magnesium orotate has a normalizing effect on the population of thymic mastocytes, shows pronounced immunomodulatory activity, which allows us to consider it as a potential therapeutic agent for clinical testing in the complex therapy of hypomagnesemia and associated immunodeficiency.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Актуальность. Гипомагнезиемия широко распространена среди населения, что вызывает необходимость ее коррекции. Цель работы - выяснение клеточно-опосредованной реакции мастоцитарного звена тимуса на дефицит магния и его коррекцию механоактивированной формой магния оротата. Материалы и методы . Животным с лекарственно-обусловленным дефицитом магния (введение фуросемида 30 мг/кг 14 дней) с целью коррекции гипомагнезиемии водили либо исходный препарат Магнерот (Magnerot©, Верваг Фарма ГмбХ и Ко, Германия), либо его механоактивированную форму. Уровень магния в крови определяли тест-системами «ARKREY» (Япония). Концентрацию магния в ткани тимуса определяли методом эмиссионной спектроскопии с индуктивно связанной (аргоновой) плазмой на атомно-эмиссионном спектрометре. Плотность расположения мастоцитов на единицу площади, индексы дегрануляции и гранулолизиса рассчитывали на парафиновых срезах тимуса после окраски толуидиновым синим. Результаты и обсуждение . Было показано, что при фуросемидной нагрузке количество магния снижалось в крови (с 1,75±0,08 до 0,902±0,18 ммоль/л, р&lt;0,05), но повышалось в тимусе (с 1,6±0,6 в контроле до 3,7±1,2 мг/л); в ткани железы снижалось количество мастоцитов типа «А» и повышалось (в 7,1 раза, р&lt;0,05) количество мастоцитов типа «D», опустошенных, после активной дегрануляции. Тип секреции мастоцитов при гипомагниемии представлен мерокриновым вариантом. Введение исходного магния оротата приводило к повышению концентрации магния в крови до 1,15±0,25 ммоль/л, что составляет 65,7% от исходного уровня, количество магния в тимусе оставалось повышенным (3,4±1,1 мг/л), количество активно дегранулирующих клеток (тип «D») повышено. Механоактивированный магния оротат восстанавливал концентрацию Mg2+ в крови до 89,1% (1,56±0,18 ммоль/л, р&gt;0,05) и снижал в тимусе (до 2,3±0,7 мг/л), восстанавливалась субпопуляция мастоцитов, насыщенных гепарином (тип «А»), снижалось количество мастоцитов типа «D». Выводы . Механоактивированная форма магния оротата оказывает нормализующее действие на популяцию мастоцитов тимуса проявляет выраженную имуномодулирующую активность, что позволяет рассматривать ее в качестве потенциального терапевтического агента для клинической апробации в комплексной терапии гипомагнезиемии и связанного с ней иммунодефицитного состояния.</p></trans-abstract><kwd-group xml:lang="en"><kwd>thymus</kwd><kwd>mast cells</kwd><kwd>drug-induced magnesium deficiency</kwd><kwd>mechanically activated magnesium orotate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>тимус</kwd><kwd>мастоциты</kwd><kwd>лекарственно-обусловленный дефицит магния</kwd><kwd>механоактивированный магния оротат</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Elieh Ali Komi D, Grauwet K. Role of Mast Cells in Regulation of T Cell Responses in Experimental and Clinical Settings. 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