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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">scbmt</journal-id><journal-title-group><journal-title xml:lang="ru">БИОМЕДИЦИНА</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Biomed</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-5982</issn><issn pub-type="epub">2713-0428</issn><publisher><publisher-name>Scientific center of biomedical technologies of Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33647/2074-5982-20-1-62-72</article-id><article-id custom-type="elpub" pub-id-type="custom">scbmt-1565</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>ДОКЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ В БИОМЕДИЦИНЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NON-CLINICAL RESEARCH IN BIOMEDICINE</subject></subj-group></article-categories><title-group><article-title>Влияние глипролинов на перекисное окисление липидов и белков в гипоталамической области в условиях экспериментального гипертиреоза</article-title><trans-title-group xml:lang="en"><trans-title>Effects of Glyprolins on Lipid and Protein Peroxidation in the Hypothalamic Region in Experimental Hyperthyroidism</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><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>414000, Астрахань, ул. Бакинская, 121</p><p>Сергалиева Мариям Утежановна, к.б.н.</p></bio><bio xml:lang="en"><p>Mariyam U. Sergalieva, Cand. Sci. (Biol.)</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 contrib-type="author" corresp="yes"><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>414000, Астрахань, ул. Бакинская, 121</p><p>Цибизова Александра Александровна, к.фарм.н.</p></bio><bio xml:lang="en"><p>Aleksandra A. Tsibizova, Cand. Sci. (Pharm.)</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"><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>414000, Астрахань, ул. Бакинская, 121</p><p>Самотруева Марина Александровна, д.м.н., проф.</p></bio><bio xml:lang="en"><p>Marina A. Samotrueva, Dr. Sci. (Med.), Prof.</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-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Астраханский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Astrakhan State Medical University of the Ministry of Health Care of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2024</year></pub-date><volume>20</volume><issue>1</issue><fpage>62</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сергалиева М.У., Цибизова А.А., Самотруева М.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Сергалиева М.У., Цибизова А.А., Самотруева М.А.</copyright-holder><copyright-holder xml:lang="en">Sergalieva M.U., Tsibizova A.A., Samotrueva M.A.</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://journal.scbmt.ru/jour/article/view/1565">https://journal.scbmt.ru/jour/article/view/1565</self-uri><abstract><p>Настоящее исследование посвящено изучению влияния нейропептидов глипролинового ряда на перекисное окисление липидов и белков в гипоталамической области головного мозга крыс в условиях экспериментального гипертиреоза. Состояние гипертиреоза у животных моделировали путем внутрижелудочного введения пентагидрата натриевой соли L-тироксина в дозе 150 мкг/кг в течение 21 дня. Были сформированы экспериментальные группы (n=10): 1) контрольная группа — интактные животные (контроль); 2) животные, получавшие пентагидрат натриевой соли L-тироксина (гипертиреоз); 3) крысы, получавшие Thr-Lys-Pro-Arg-Pro-Gly-Pro (селанк); 4) особи, получавшие Pro-Gly-Pro (в дозах 87 и 33 мкг/кг/сут соответственно) внутрибрюшинно ежедневно в течение 21 дня начиная через сутки после последнего введения пентагидрата натриевой соли L-тироксина. Об уровне процессов перекисного окисления липидов судили по содержанию в гомогенате ткани гипоталамической области исходного уровня ТБК-реактивных продуктов, показателям скорости спонтанного и аскорбатзависимого перекисного окисления липидов. Продукты перекисного окисления белков определяли по реакции взаимодействия окисленных аминокислотных остатков белков с 2,4-динитрофенилгидразоном. Оценку ферментативного звена антиоксидантной системы гипоталамической области осуществляли, определяя активность супероксиддисмутазы и каталазы. На фоне введения соединений Thr-Lys-Pro-Arg-Pro-Gly-Pro и Pro-Gly-Pro в условиях экспериментального гипертиреоза установлено уменьшение интенсивности процессов перекисного окисления липидов, белков и восстановление уровней активности антиоксидантных ферментов — супероксиддисмутазы и каталазы в ткани гипоталамической области. Полученные экспериментальные данные свидетельствуют о том, что в условиях экспериментального гипертиреоза соединения Thr-Lys-ProArg-Pro-Gly-Pro и Pro-Gly-Pro проявляют антиоксидантную и антирадикальную активность в отношении параметров липопероксидации и окислительной модификации белков, а также ферментативных систем защиты в ткани гипоталамической области головного мозга лабораторных животных.</p></abstract><trans-abstract xml:lang="en"><p>We investigate effects of glyproline-type neuropeptides on lipid and protein peroxidation in the hypothalamic brain region of rats under the conditions of experimental hyperthyroidism. The state of hyperthyroidism in animals was simulated by intragastric administration of sodium pentahydrate of L-thyroxine at a dose of 150 µg/kg for 21 days. The following experimental groups (n=10) were formed: 1) control group — intact animals (control); 2) animals treated with L-thyroxine sodium salt pentahydrate (hyperthyroidism); 3) animals treated with Thr-Lys-Pro-Arg-Pro-Gly-Pro (celank); 4) animals treated with Pro-GlyPro (doses of 87 and 33 µg/kg/day, respectively) intraperitoneally daily during 21 days starting one day after the last administration of sodium pentahydrate of L-thyroxine. The level of lipid peroxidation processes was assessed by the initial level of TBA-reactive products, spontaneous and ascorbate-dependent lipid peroxidation rates in hypothalamic tissue homogenate. Protein peroxidation products were determined by the reaction between oxidized amino acid residues of proteins and 2,4-dinitrophenylhydrazone. The enzymatic part of the antioxidant system of hypothalamic region was estimated by measuring the activity of superoxide dismutase and catalase. In the setting of Thr-Lys-Pro-Arg-Pro-Gly-Pro and Pro-Gly-Pro administration under experimental hyperthyroidism, the intensity of lipid and protein peroxidation processes was decreased, while the activity of antioxidant enzymes-superoxide dismutase and catalase was restored in the hypothalamic tissue. The experimental data obtained indicate that, under the conditions of experimental hyperthyroidism, Thr-Lys-Pro-Arg-Pro-Gly-Pro and Pro-Gly-Pro compounds exhibit an antioxidant and antiradical activity with respect to parameters of lipoperoxidation and oxidative modification of proteins, as well as with respect to enzymatic defense systems in the hypothalamic brain region of laboratory animals.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гипертиреоз</kwd><kwd>глипролины</kwd><kwd>селанк</kwd><kwd>антиоксидантная активность</kwd><kwd>антирадикальная активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hyperthyroidism</kwd><kwd>glyprolines</kwd><kwd>selank</kwd><kwd>antioxidant activity</kwd><kwd>antiradical activity</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">Богачева Е.В., Алабовский В.В., Перов С.Ю. 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