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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">cardiotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский журнал клинической и экспериментальной медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian Journal of Clinical and Experimental Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2713-2927</issn><issn pub-type="epub">2713-265X</issn><publisher><publisher-name>TSU publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29001/2073-8552-2024-39-3-144-149</article-id><article-id custom-type="elpub" pub-id-type="custom">cardiotomsk-2435</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>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Влияние гидрокортизона на течение лепрозной инфекции в эксперименте</article-title><trans-title-group xml:lang="en"><trans-title>Effect of hydrocortisone on the course of leprosic infection in an experiment</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5417-4477</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Геннатулина</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Gennatulina</surname><given-names>G. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Геннатулина Гузель Наилевна, канд. биол. наук, заместитель руководителя Научно-исследовательского центра, доцент кафедры фармакогнозии, фармацевтической технологии и биотехнологии</p><p>414000, Астрахань, Бакинская, 121</p></bio><bio xml:lang="en"><p>Guzel N. Gennatulina, Cand. Sci. (Biol.), Deputy Head, Associate Professor, Department of Pharmacognosy, Pharmaceutical Technology and Biotechnology</p><p>121, Bakinskaya str., Astrakhan, 414000</p></bio><email xlink:type="simple">genatullina@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/0000-0002-4426-3860</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сароянц</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Saroyants</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сароянц Людмила Валентиновна, д-р мед. наук, заведующий отделом по изучению лепры, Астраханский ГМУ Минздрава России, профессор кафедры физиологии, морфологии, генетики и биомедицины, АГУ им. В.Н. Татищева</p><p>414000, Астрахань, Бакинская, 121,</p><p>414056, Астрахань, Татищева, 20а</p></bio><bio xml:lang="en"><p>Lyudmila V. Saroyants, Dr. Sci. (Biol.), Head of Leprosy Research Department, Astrakhan State Medical University; Professor, Department of Physiology, Morphology, Genetics and Biomedicine, Astrakhan Tatishchev State University</p><p>121, Bakinskaya str., Astrakhan, 414000, </p><p>20a, Tatishcheva str., Astrakhan, 414056</p></bio><email xlink:type="simple">luda_saroyants@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Астраханский государственный медицинский университет Министерства здравоохранения Российской Федерации (Астраханский ГМУ Минздрава России)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Astrakhan State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Астраханский государственный медицинский университет Министерства здравоохранения Российской Федерации (Астраханский ГМУ Минздрава России);&#13;
Астраханский государственный университет имени В.Н. Татищева (АГУ им. В.Н. Татищева)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Astrakhan State Medical University;&#13;
Astrakhan Tatishchev State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2024</year></pub-date><volume>39</volume><issue>3</issue><fpage>144</fpage><lpage>149</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Геннатулина Г.Н., Сароянц Л.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Геннатулина Г.Н., Сароянц Л.В.</copyright-holder><copyright-holder xml:lang="en">Gennatulina G.N., Saroyants L.V.</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.sibjcem.ru/jour/article/view/2435">https://www.sibjcem.ru/jour/article/view/2435</self-uri><abstract><p>Лепра является хроническим инфекционным заболеванием, вызываемым Mycobacterium leprae (M. leprae), сопровождающимся нарушением различных звеньев иммунитета. В связи с этим разработка экспериментальной модели лепры может основываться на создании искусственного дефекта макрофагального звена, в частности, с использованием глюкокортикоидов.</p><sec><title>Цель исследования</title><p>Цель исследования: разработка и характеристика модели генерализованной лепрозной инфекции у мышей на фоне длительного введения гидрокортизона (ГК).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Для проведения исследования были сформированы контрольная группа, состоящая из 50 мышей, зараженных по методу Шепарда, и опытная группа, включавшая 50 мышей, аналогично зараженных на фоне введения ГК. ГК вводили внутримышечно в разовой суточной дозе 25 мг/кг в первый день за 2 ч до заражения взвесью М. leprae, затем в виде 4 курсов по 2 нед. с двухнедельными интервалами.</p></sec><sec><title>Результаты</title><p>Результаты. Введение ГК приводило к ускорению размножения микобактерий в подушечке лапы по сравнению с контролем (без ГК). Генерализация лепрозной инфекции подтверждается наличием лепроматозных структур в виде гранулем из макрофагов с высоким содержанием M. leprae в ткани печени, селезенки, легких и почках.</p></sec><sec><title>Заключение</title><p>Заключение. Данная модель позволяет изучать свойства возбудителя и механизмы патогенеза заболевания, а в перспективе осуществлять скрининг фармакологических препаратов с потенциальной противолепрозной активностью.</p></sec></abstract><trans-abstract xml:lang="en"><p>Leprosy is a chronic infectious disease caused by Mycobacterium leprae (M. leprae), accompanied by a violation of various parts of the immune system. In this regard, the development of an experimental model of leprosy may be based on the creation of an artificial defect of the macrophage link, in particular, using glucocorticoids. </p><sec><title>Aim</title><p>Aim: To develop and characterize a model of generalized leprosy infection in mice against the background of prolonged administration of hydrocortisone.</p></sec><sec><title>Material and methods</title><p>Material and methods. To conduct the study, the following groups were formed: the control group – 50 mice infected by the Shepard method; the experimental group – 50 mice similarly infected against the background of hydrocortisone administration. Hydrocortisone was administered intramuscularly in a single daily dose of 25 mg/kg on the first day 2 hours before infection with M. leprae suspension, then in the form of four courses of 2 weeks at two-week intervals.</p></sec><sec><title>Results</title><p>Results. The administration of hydrocortisone led to an acceleration of the reproduction of mycobacteria in the paw pad compared with the control (without hydrocortisone). The generalization of leprosy infection is confirmed by the presence of lepromatous structures in the form of granulomas from macrophages with a high content of M. leprae in liver, spleen, lungs and kidneys.</p></sec><sec><title>Conclusion</title><p>Conclusion. This model allows us to study the properties of the pathogen and the mechanisms of pathogenesis of the disease, and to screen pharmacological drugs with potential anti-leprosy activity in the future.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Mycobacterium leprae</kwd><kwd>лепрозный процесс</kwd><kwd>экспериментальная модель</kwd><kwd>мыши</kwd><kwd>гидрокортизон</kwd><kwd>макрофаги</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Mycobacterium leprae</kwd><kwd>leprosy process</kwd><kwd>experimental model</kwd><kwd>mice</kwd><kwd>hydrocortisone</kwd><kwd>macrophages</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследование выполнено в рамках гос. задания Министерства здравоохранения Российской Федерации № 121110900083-0 «Разработка методов диагностики и лечения лепрозной инфекции на основе принципов персонифицированной медицины».</funding-statement><funding-statement xml:lang="en">The study was carried out within the framework of the state assignment of the Ministry of Health of the Russian Federation № 121110900083-0 “Development of methods for the diagnosis and treatment of leprosy infection based on the principles of personalized medicine”</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">Holland S.M., Rosenzweig S.D., Schumacher R.F. 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