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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">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">456409</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2023-8-3-176-180</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Infectious diseases</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Инфекционные болезни</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">Pathogenetic significance of CD3+CD56+ T-lymphocytes in hemorrhagic fever with renal syndrome</article-title><trans-title-group xml:lang="ru"><trans-title>Патогенетическое значение CD3+CD56+ Т-лимфоцитов при геморрагической лихорадке с почечным синдромом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2528-0091</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>Mikhail F.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Михаил Федорович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor, Department of General and Clinical Microbiology, Immunology and Allergology</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент, доцент кафедры общей и клинической микробиологии, иммунологии и аллергологии</p></bio><email>m.f.ivanov@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6177-8487</contrib-id><name-alternatives><name xml:lang="en"><surname>Konstantinov</surname><given-names>Dmitrii Yu.</given-names></name><name xml:lang="ru"><surname>Константинов</surname><given-names>Д. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Associate professor, Head of the Department of Infectious Diseases with Epidemiology</p></bio><bio xml:lang="ru"><p>д-р мед. наук, доцент, заведующий кафедрой инфекционных болезней с эпидемиологией</p></bio><email>d.u.konstantinov@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8194-2419</contrib-id><name-alternatives><name xml:lang="en"><surname>Balmasova</surname><given-names>Irina P.</given-names></name><name xml:lang="ru"><surname>Балмасова</surname><given-names>И. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Professor, Head of the Laboratory of Infectious Diseases Pathogenesis and Treatment Methods</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующая лабораторией патогенеза и методов лечения инфекционных заболеваний</p></bio><email>iri.balm@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0452-2781</contrib-id><name-alternatives><name xml:lang="en"><surname>Ulitina</surname><given-names>Alina Yu.</given-names></name><name xml:lang="ru"><surname>Улитина</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>assistant of the Department of Infectious Diseases with Epidemiology</p></bio><bio xml:lang="ru"><p>ассистент кафедры инфекционных болезней с эпидемиологией</p></bio><email>a.ju.ulitina@samsmu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Самарский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">A.I. Evdokimov Moscow State University of Medicine and Dentistry</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Московский государственный медико-стоматологический университет имени А.И. Евдокимова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-09-08" publication-format="electronic"><day>08</day><month>09</month><year>2023</year></pub-date><volume>8</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>176</fpage><lpage>180</lpage><history><date date-type="received" iso-8601-date="2023-05-23"><day>23</day><month>05</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-07-11"><day>11</day><month>07</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Ivanov M.F., Konstantinov D.Y., Balmasova I.P., Ulitina A.Y.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Иванов М.Ф., Константинов Д.Ю., Балмасова И.П., Улитина А.Ю.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Ivanov M.F., Konstantinov D.Y., Balmasova I.P., Ulitina A.Y.</copyright-holder><copyright-holder xml:lang="ru">Иванов М.Ф., Константинов Д.Ю., Балмасова И.П., Улитина А.Ю.</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/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://innoscience.ru/2500-1388/article/view/456409">https://innoscience.ru/2500-1388/article/view/456409</self-uri><abstract xml:lang="en"><p><bold>Aim</bold> – to evaluate the pathogenetic role of T-lymphocytes carrying the natural killer marker CD56 in hemorrhagic fever with renal syndrome (HFRS).</p> <p><bold>Material and methods.</bold> The study group included 65 patients with HFRS receiving the inpatient treatment in the Clinics of SamSMU, and 15 healthy people were chosen for the control group. The following examinations were scheduled for all patients in the different stages of the disease: a clinical blood test, flow cytometry with a given set of monoclonal antibodies, enzyme-linked immunosorbent assay of blood serum to determine the cytokine profile. For statistical analysis we used the SPSS v.23 software.</p> <p><bold>Results. </bold>The percentage of CD3+ CD56+ NKT blood content in comparison with those for cells of innate immunity (neutrophil granulocytes, monocytes, natural killers) and lymphocytes of adaptive immune response, as well as the level of cytokines in the blood serum showed that in polyuric and convalescent periods, the number of these cells significantly increases and remains closely embedded in correlations with other components of the immune system.</p> <p><bold>Conclusion. </bold>A new hypothesis has been proposed to interpret the role of NKT in the development of the immune response in HFRS.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold> – оценка патогенетической роли Т-лимфоцитов, несущих маркер натуральных киллеров CD56, при геморрагической лихорадке с почечным синдромом.</p> <p><bold>Материалы и методы.</bold> Объектом исследования служили 65 пациентов с ГЛПС, находившиеся на стационарном лечении в Клиниках СамГМУ, а также 15 здоровых людей контрольной группы. Всем больным в разные периоды заболевания выполнялся клинический анализ крови, проточная цитофлуориметрия с использованием заданного набора моноклональных антител, иммуноферментный анализ сыворотки крови для определения цитокинового профиля больных. Cтатистическая обработка проводилась на основе программ SPSS, версия 23.</p> <p><bold>Результаты.</bold> Проведенное исследование процентного содержания в крови CD3+CD56+ НКТ в сопоставлении с таковым для клеток врожденного иммунитета (нейтрофильных гранулоцитов, моноцитов, натуральных киллеров) и лимфоцитов адаптивного иммунного ответа, а также уровнем цитокинов в сыворотке крови показало, что во второй половине разгара заболевания и на этапе разрешения инфекционного процесса число этих клеток достоверно возрастает и остается тесно встроенным в корреляционные связи с другими компонентами иммунной системы.</p> <p><bold>Заключение. </bold>Предложена новая гипотеза для трактования механизма участия НКТ в развитии иммунного ответа при ГЛПС.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hemorrhagic fever with renal syndrome</kwd><kwd>immunopathogenesis</kwd><kwd>NK-like T-lymphocytes (NKT)</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>геморрагическая лихорадка с почечным синдромом</kwd><kwd>иммунопатогенез</kwd><kwd>НК-подобные Т-лимфоциты (НКТ)</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Brocato RL, Hooper JW. 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