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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">kurskvest</journal-id><journal-title-group><journal-title xml:lang="ru">Человек и его здоровье</journal-title><trans-title-group xml:lang="en"><trans-title>Humans and their health</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5746</issn><issn pub-type="epub">1998-5754</issn><publisher><publisher-name>Kursk State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21626/vestnik/2024-4/02</article-id><article-id custom-type="edn" pub-id-type="custom">EUNYMK</article-id><article-id custom-type="elpub" pub-id-type="custom">kurskvest-1358</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>MEDICOBIOLOGICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Эффекты пептида Thr-Lys-Pro-Arg-Pro-Gly-Pro на морфофункциональное состояние стенки ободочной кишки при длительном иммобилизационном стрессе</article-title><trans-title-group xml:lang="en"><trans-title>Effects of Thr-Lys-Pro-Arg-Pro-Gly-Pro peptide on the morphofunctional state of the colonic wall under prolonged restraint stress</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-2426-358X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривошлыкова</surname><given-names>Марина Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Krivoshlykova</surname><given-names>Marina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ассистент кафедры фармакологии, КГМУ, г. Курск, Россия</p></bio><bio xml:lang="en"><p>Assistant Lecturer at the Department of Pharmacology, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">lew_marina@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/0000-0001-7745-2599</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бобынцев</surname><given-names>Игорь Иванович</given-names></name><name name-style="western" xml:lang="en"><surname>Bobyntsev</surname><given-names>Igor I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р мед. наук, профессор, зав. кафедрой патофизиологии, директор НИИ общей патологии, КГМУ, г. Курск, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Med.), Professor, Head of the Department of Pathophysiology, Director of the Research Institute of General Pathology, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">bobig@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/0000-0003-3835-0594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мишина</surname><given-names>Екатерина Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Mishina</surname><given-names>Ekaterina S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, доцент, доцент кафедры гистологии, эмбриологии, цитологии, зав. ла-бораторией морфологии и клеточных технологий НИИ экспериментальной медицины, КГМУ, г. Курск</p></bio><bio xml:lang="en"><p>Cand. Sci. (Med.), Associate Professor, Associate Professor at the Department of Histology, Cytology, Embriology, Head of the Laboratory of Morphology and cellular technologies, Research Institute of Experimental medicine, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">mishinaes@kursksmu.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1529-6014</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ворвуль</surname><given-names>Антон Олегович</given-names></name><name name-style="western" xml:lang="en"><surname>Vorvul</surname><given-names>Anton O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, ст. преподаватель кафедры патофизиологии, ст. науч. сотрудник НИИ общей патологии, КГМУ, г. Курск, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Med.), Senior Lecturer at the Department of Pathophysiology, Senior Researcher at the Research Institute of General Pathology, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">vorvul1996@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/0000-0002-2889-155X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Медведева</surname><given-names>Ольга Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedeva</surname><given-names>Olga A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р биол. наук, профессор, зав. кафедрой микробиологии, вирусологии, иммунологии, зав. лабораторией макробиологии и магнитобиологии НИИ общей патологии, КГМУ, г. Курск, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Biol.), Professor, Head of the Department of Microbiology, Virology, Immunology, Head of the Laboratory of Microbiology and magnitobiology of the Research Inctitute of General Pathology, KSMU, Kursk, Russian Federation</p></bio><email xlink:type="simple">olgafrida@rambler.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/0000-0002-3927-8590</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андреева</surname><given-names>Людмила Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Andreeva</surname><given-names>Lyudmila A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>зам. зав. лабораторией молекулярной фармакологии пептидов, НИЦ «Курчатовский институт», г. Москва, Россия</p></bio><bio xml:lang="en"><p>Deputy Head of the Laboratory of Molecular Pharmacology of Peptides, NRC "Kurchatov Institute", Moscow, Russian Federation</p></bio><email xlink:type="simple">landr@img.ras.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/0000-0003-1294-102X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мясоедов</surname><given-names>Николай Федорович</given-names></name><name name-style="western" xml:lang="en"><surname>Myasiedov</surname><given-names>Nikolay F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р хим. наук, профессор, академик РАН, зав. лабораторией молекулярной фармакологии пептидов, НИЦ «Курчатовский институт», г. Москва, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chem.), Professor, Academician of the Russian Academy of Sciences, Head of the Laboratory of Molecular Pharmacology of Peptides, NRC "Kurchatov Institute", Moscow, Russian Federation</p></bio><email xlink:type="simple">nfm@img.ras.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Курский государственный медицинский университет (КГМУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kursk State Medical University (KSMU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский центр «Курчатовский институт» (НИЦ «Курчатовский институт»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Centr «Kurchatov Institute» (NRC «Kurchatov Institute»)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2024</year></pub-date><volume>24</volume><issue>4</issue><fpage>22</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кривошлыкова М.С., Бобынцев И.И., Мишина Е.С., Ворвуль А.О., Медведева О.А., Андреева Л.А., Мясоедов Н.Ф., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кривошлыкова М.С., Бобынцев И.И., Мишина Е.С., Ворвуль А.О., Медведева О.А., Андреева Л.А., Мясоедов Н.Ф.</copyright-holder><copyright-holder xml:lang="en">Krivoshlykova M.S., Bobyntsev I.I., Mishina E.S., Vorvul A.O., Medvedeva O.A., Andreeva L.A., Myasiedov N.F.</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.kursk-vestnik.ru/jour/article/view/1358">https://www.kursk-vestnik.ru/jour/article/view/1358</self-uri><abstract><p>Цель - гистологическое исследование структуры и клеточного состава стенки ободочной кишки у крыс после введения пептида Thr-Lys-Pro-Arg-Pro-Gly-Pro при хроническом иммобилизационном стрессе.</p><sec><title>Материал и методы</title><p>Материал и методы. Эксперименты выполняли на 45 самцах крыс Вистар. Все животные были распределены на 5 групп по 9 особей в каждой. В группе 1 животные без стресса получали 0,9% раствор NaCl; в группе 2 животных стрессировали и вводили раствор NaCl; в группах 3, 4 и 5 стрессированным животным вводили тафтцин-ПГП в дозах 80, 250 и 750 мкг/кг соответственно. Животных подвергали стрессу в течение 28 дней, пептид вводили с 15-го по 28-й день эксперимента. Проводили гистологическое исследование толстой кишки крыс, определяли глубину кишечных крипт и количество бокаловидных клеток в них. Подсчитывалось количество гранулоцитов, плазматических клеток, лимфоцитов, макрофагов и тучных клеток в собственной пластинке слизистой оболочки.</p></sec><sec><title>Результаты</title><p>Результаты. Хроническое стрессирование экспериментальных животных (на протяжении 28 дней) вызывало структурные сдвиги и изменения клеточного состава в стенке ободочной кишки с развитием в ней признаков хронического воспаления. Применение пептида тафтцин-ПГП с 15-го по 28-й день эксперимента способствовало значительному снижению выраженности вызванных стрессом изменений исследованных показателей с наибольшим эффектом в дозе 750 мкг/кг.</p></sec><sec><title>Заключение</title><p>Заключение. Изменения структуры и клеточного состава стенки ободочной кишки в условиях хронического иммобилизационного стресса у крыс корригируются введением пептида тафтцин-ПГП в дозах 250 и 750 мкг/кг.</p></sec></abstract><trans-abstract xml:lang="en"><p>Objective - histological examination of the structure and cellular composition of the colon wall in rats after administration of the peptide Thr-Lys-Pro-Arg-Pro-Gly-Pro under chronic immobilization stress.</p><sec><title>Material and methods</title><p>Material and methods. The experiments were carried out on 45 male Wistar rats. All animals were divided into 5 groups of 9 animals each. In group 1 group, non-stressed animals received 0.9% NaCl solution; in group 2, animals were stressed and NaCl solution was administered; in groups 3, 4 and 5, stressed animals were administered tuftsin-PGP at doses of 80, 250 and 750 µg/kg, respectively. The animals were stressed for 28 consecutive days, the peptide was administered from the 15th to 28th experimental day. Histological examination of rat colon was performed, the depth of intestinal crypts and the number of goblet cells in them were determined. The number of granulocytes, plasma cells, lymphocytes, macrophages and mast cells in the lamina propria of the mucous layer was counted.</p></sec><sec><title>Results</title><p>Results. Chronic stress in experimental animals (for 28 days) caused structural shifts and changes in the cellular composition of the colon wall with the development of signs of chronic inflammation in it. Application of the peptide tuftsin-PGP from day 15 to day 28 of the experiment contributed to a significant reduction in the severity of stress-induced changes in the parameters studied, with the greatest effect at a dose of 750 µg/kg.</p></sec><sec><title>Conclusion</title><p>Conclusion. Administration of taftsin-PGP peptide at doses of 250 and 750 µg/kg on the background of stressing promotes the correction of inflammatory stress-induced morphofunctional changes in the colon wall.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>пептид Thr-Lys-Pro-Arg-Pro-Gly-Pro</kwd><kwd>крысы Вистар</kwd><kwd>иммобилизационный стресс</kwd><kwd>ободочная кишка</kwd><kwd>воспаление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Thr-Lys-Pro-Arg-Pro-Gly-Pro peptide</kwd><kwd>Wistar rats</kwd><kwd>restraint stress</kwd><kwd>colon</kwd><kwd>inflammation</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">Chatoo M., Li Y., Ma Z., Coote J., Du J., Chen X. Involvement of Corticotropin-Releasing Factor and Receptors in Immune Cells in Irritable Bowel Syndrome. Front Endocrinol (Lausanne). 2018;9:21. 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