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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">sibmed</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский научный медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Сибирский научный медицинский журнал</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-2512</issn><issn pub-type="epub">2410-2520</issn><publisher><publisher-name>ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/SSMJ20210506</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-662</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>МЕДИКО-БИОЛОГИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOMEDICINE</subject></subj-group></article-categories><title-group><article-title>Изучение влияния экстракта Astragalus vulpinus на процессы перекисного окисления липидов в гипоталамической области на модели липополисахаридного иммунного стресса</article-title><trans-title-group xml:lang="en"><trans-title>Study of effect of Astragalus vulpinus extract on lipid peroxidation processes in hypothalamic region on lipopolysaccharide immune stress model</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5336-4455</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самотруева</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Samotrueva</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марина Александровна Самотруева, д.м.н., проф.</p><p>414000, г. Астрахань, ул. Бакинская 121</p></bio><bio xml:lang="en"><p>Marina A. Samotrueva, doctor of medical sciences, professor</p><p>414000, Astrakhan, Bakinskaya str., 121</p></bio><email xlink:type="simple">ms1506@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/0000-0002-9994-4751</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цибизова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsibizova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александра Александровна Цибизова, к.фарм.н.</p><p>414000, г. Астрахань, ул. Бакинская 121</p></bio><bio xml:lang="en"><p>Aleksandra A. Tsibizova, candidate of pharmaceutical sciences</p><p>414000, Astrakhan, Bakinskaya str., 121</p></bio><email xlink:type="simple">sasha3633@yandex.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/0000-0002-9630-2913</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сергалиева</surname><given-names>М. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergalieva</surname><given-names>M. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мариям Утежановна Сергалиева, к.б.н.</p><p>414000, г. Астрахань, ул. Бакинская 121</p></bio><bio xml:lang="en"><p>Mariyam U. Sergalieva, candidate of biological sciences</p><p>414000, Astrakhan, Bakinskaya str., 121</p></bio><email xlink:type="simple">charlina_astr@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Астраханский государственный медицинский университет Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Astrakhan State Medical University of Minzdrav of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>10</month><year>2021</year></pub-date><volume>41</volume><issue>5</issue><fpage>47</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Самотруева М.А., Цибизова А.А., Сергалиева М.У., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Самотруева М.А., Цибизова А.А., Сергалиева М.У.</copyright-holder><copyright-holder xml:lang="en">Samotrueva M.A., Tsibizova A.A., Sergalieva M.U.</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://sibmed.elpub.ru/jour/article/view/662">https://sibmed.elpub.ru/jour/article/view/662</self-uri><abstract><p>Экспериментальное исследование посвящено изучению влияния экстракта Astragalus vulpinus на процессы перекисного окисления липидов в гипоталамической области в условиях липополисахаридного иммунного стресса. Материал и методы. Эксперименты выполнены на белых крысах – самцах 6–8-месячного возраста. Во всех сериях экспериментов животные были разбиты на группы (n = 10): первая – контрольные особи, получавшие дистиллированную воду в эквивалентном объеме; вторая – крысы с моделью иммунного стресса; третья – животные, получавшие на фоне иммунного стресса экстракт Astragalus vulpinus. Исследуемый экстракт и дистиллированную воду вводили один раз в сутки внутрижелудочно с помощью зонда в дозе 50 мг/кг в течение 14 дней. Иммунный стресс формировали путем однократного внутрибрюшинного введения липополисахарида – пирогенала, выделенного из микробных клеток Salmonella typhi. Интенсивность процессов свободнорадикального окисления изучали по содержанию продуктов, реагирующих с тиобарбитуровой кислотой (ТБК-РП), спонтанной и аскорбатзависимой скорости перекисного окисления липидов, а также определяли активность каталазы. Результаты и их обсуждение. Установлено, что иммунный стресс сопровождается активацией процессов свободнорадикального окисления, о чем свидетельствует повышение концентрации ТБК-РП и активности фермента антиоксидантной защиты организма – каталазы. Оценка влияния экстракта травы Astragalus vulpinus на интенсивность свободнорадикальных окислительных процессов в гипоталамической области на фоне действия липополисахарид-индуцированного иммунного стресса показала, что он проявляет выраженные стресспротекторные и антиоксидантные свойства, характеризующиеся изменением интенсивности процессов липидной пероксидации и увеличением активности каталазы в ткани гипоталамической области головного мозга. Заключение. Доказано, что экстракт травы Astragalus vulpinus проявляет антиоксидантное действие, восстанавливая интенсивность свободнорадикальных окислительных процессов.</p></abstract><trans-abstract xml:lang="en"><p>An experimental study is devoted to the study of the effect of Astragalus vulpinus extract on lipid peroxidation processes in the hypothalamic region under conditions of lipopolysaccharide immune stress. Material and methods. Experiments were performed on white male rats 6-8 months of age. In all series of experiments, animals were divided into groups (n = 10): 1st – control individuals receiving distilled water in an equivalent volume; 2nd – rats with immune stress model; 3rd – individuals treated with Astragalus vulpinus extract against the background of immune stress. The test extract and distilled water were administered once a day intragastrically with a 50 mg/kg probe for 14 days. Immune stress was formed by single intraperitoneal administration of lipopolysaccharide pyrogenal isolated from Salmonella typhi microbial cells. The intensity of free radical oxidation processes was studied by thiobarbituric acid reactive substances (TBARS) content, spontaneous and ascorbate-dependent lipid peroxidation rate and catalase activity were also determined. Results. According to the results of the experiment, it was revealed that immune stress is accompanied by the activation of free-radical oxidation processes, as evidenced by an increase in the concentration of products of this process and the activity of the body’s antioxidant protection enzyme catalase. Assessment of the effect of Astragalus vulpinus herb extract on the free radical potential in the hypothalamic region against the background of the action of lipopolysaccharide-induced immune stress showed that the studied extract exhibits pronounced stress-protective and antioxidant properties characterized by changing the intensity of lipid peroxidation processes and by increase of catalase activity in the tissue of the hypothalamic brain region. Conclusions. Astragalus vulpinus herb extract has been proven to exhibit antioxidant effects by restoring activity of free radical processes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>липополисахарид</kwd><kwd>иммунный стресс</kwd><kwd>перекисное окисление липидов</kwd><kwd>Astragalus vulpinus</kwd><kwd>белые крысы</kwd><kwd>гипоталамическая область</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lipopolysaccharide</kwd><kwd>immune stress</kwd><kwd>lipid peroxidation</kwd><kwd>Astragalus vulpinus</kwd><kwd>white rats</kwd><kwd>hypothalamic region</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">Паюшина О.В. Локализация и функции мезенхимных стромальных клеток in vivo. Журн. общей биологии. 2015; 76 (2): 161–172.</mixed-citation><mixed-citation xml:lang="en">Payushina O.V. Localization and functions of mesenchymal stromal cells in vivo. Zhurnal obshchey biologii = J. 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