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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">medsovet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский Совет</journal-title><trans-title-group xml:lang="en"><trans-title>Meditsinskiy sovet = Medical Council</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-701X</issn><issn pub-type="epub">2658-5790</issn><publisher><publisher-name>REMEDIUM GROUP Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21518/ms2026-168</article-id><article-id custom-type="elpub" pub-id-type="custom">medsovet-10207</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>ЗАБОЛЕВАНИЯ БИЛИАРНОЙ СИСТЕМЫ И ПЕЧЕНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DISEASES OF THE BILIARY SYSTEM AND LIVER</subject></subj-group></article-categories><title-group><article-title>Показатели Т-клеточного иммунитета в крови у пациентов с хроническим вирусным гепатитом С или инвазией Opisthorchis felineus</article-title><trans-title-group xml:lang="en"><trans-title>Indicators of T-cell immunity in the blood of patients with chronic viral hepatitis C or Opisthorchis felineus invasion</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9980-2294</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цуканов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsukanov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цуканов Владислав Владимирович - д.м.н., профессор, заведующий клиническим отделением патологии пищеварительной системы у взрослых и детей, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера»;</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Vladislav V. Tsukanov - Dr. Sci. (Med.), Professor, Head of the Clinical Department of the Digestive System Pathology of Adults and Children, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">gastro@impn.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>Веселова</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Veselova</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Веселова Наталья Евгеньевна - младший научный сотрудник клинического отделения патологии пищеварительной системы у взрослых и детей, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера».</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Natalia E. Veselova - Junior Researcher of the Clinical Department of the Clinical Department of the Digestive System Pathology of Adults and Children, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">nataliaveselova4621@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5829-672X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Savchenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савченко Андрей Анатольевич - д.м.н., профессор, заведующий лабораторией клеточно-молекулярной физиологии и патологии, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера».</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Andrey A. Savchenko - Dr. Sci. (Med.), Professor, Head of the Laboratory of Cellular and Molecular Physiology and Pathology, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">aasavchenko@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/0000-0002-6481-3196</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васютин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasyutin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Васютин Александр Викторович - к.м.н., старший научный сотрудник клинического отделения патологии пищеварительной системы у взрослых и детей, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера».</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Alexander V. Vasyutin – Cand. Sci. (Med.), Senior Researcher of the Clinical Department of the Clinical Department of the Digestive System Pathology of Adults and Children, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">alexander_vasyutin@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/0000-0001-7518-1895</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тонких</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Tonkikh</surname><given-names>J. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тонких Юлия Леонгардовна - к.м.н., ведущий научный сотрудник клинического отделения патологии пищеварительной системы взрослых и детей, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера».</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Julia L. Tonkikh - Cand. Sci. (Med.), Leading Researcher of the Clinical Department of the Clinical Department of the Digestive System Pathology of Adults and Children, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">tjulia@bk.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/0000-0002-9026-2615</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Борисов</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борисов Александр Геннадьевич - к.м.н., ведущий научный сотрудник лаборатории клеточно-молекулярной физиологии и патологии, Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «НИИ медицинских проблем Севера».</p><p>660022, Красноярск, ул. Партизана Железняка, д. 3г</p></bio><bio xml:lang="en"><p>Alexander G. Borisov - Cand. Sci. (Med.), Leading Researcher of the Laboratory of Cellular and Molecular Physiology and Pathology, Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre, Siberian Branch of the Russian Academy of Sciences.</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">2410454@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт медицинских проблем Севера, Красноярский научный центр Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Research Institute of Medical Problems of the North, Krasnoyarsk Science Centre, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>01</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>8</issue><fpage>93</fpage><lpage>99</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цуканов В.В., Веселова Н.Е., Савченко А.А., Васютин А.В., Тонких Ю.Л., Борисов А.Г., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Цуканов В.В., Веселова Н.Е., Савченко А.А., Васютин А.В., Тонких Ю.Л., Борисов А.Г.</copyright-holder><copyright-holder xml:lang="en">Tsukanov V.V., Veselova N.E., Savchenko A.A., Vasyutin A.V., Tonkikh J.L., Borisov A.G.</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.med-sovet.pro/jour/article/view/10207">https://www.med-sovet.pro/jour/article/view/10207</self-uri><abstract><sec><title>Введение</title><p>Введение. В настоящее время пересматриваются взгляды на возможность активного взаимодействия адаптивного и иннатного иммунитета, в связи с чем изучение показателей Т-клеточного иммунитета у пациентов с вирусной и паразитарной патологией представляет большой интерес.</p></sec><sec><title>Цель</title><p>Цель. Определить показатели Т-клеточного иммунитета в крови у больных хроническим вирусным гепатитом С (ХВГС), у пациентов с инвазией Opisthorchis felineus (O. felineus) и у здоровых лиц.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Были обследованы 67 пациентов с первым генотипом ХВГС, 41 пациент с хроническим описторхозом и 29 практически здоровых лиц. Исследование субпопуляционного состава Т-хелперов, Т-киллеров и T-регуляторных клеток (T-reg) было осуществлено всем обследованным лицам методом прямой иммунофлуоресценции цельной периферической крови с использованием моноклональных антител на проточном цитофлуориметре Navios (Beckman Coulter, USA). Диагностика ХВГС и описторхоза выполнялась общепринятыми клиническими, лабораторными и инструментальными методами.</p></sec><sec><title>Результаты</title><p>Результаты. Содержание Т-хелперов эффекторной памяти и ТЕMRA Т-хелперов в крови было достоверно более высоким у пациентов с ХВГС в сравнении с лицами контрольной группы и больными с описторхозом. У пациентов с ХВГС была снижена доля наивных Т-киллеров в крови в сравнении со здоровыми лицами и больными описторхозом. В группах с инвазией O. felineus и ХВГС в крови регистрировались более высокие показатели общего содержания T-reg, доли наивных Т-reg, T-reg центральной и эффекторной памяти.</p></sec><sec><title>Выводы</title><p>Выводы. У больных с инвазией O. felineus и ХВГС наблюдалось отчетливое повышение содержания Т-регуляторных клеток, наивных Т-reg, T-reg центральной памяти и эффекторной памяти в сравнении со здоровыми лицами. Содержание Т-хелперов и Т-киллеров в крови не имело существенных отличий у больных с ХВГС и описторхозом в сравнении с контрольной группой.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Currently, views on the potential for active interaction between adaptive and innate immunity are being revised, making the study of T-cell immunity parameters in patients with viral and parasitic pathologies of great interest.</p></sec><sec><title>Aim</title><p>Aim. To determine blood T-cell immunity indicators in patients with chronic viral hepatitis C (CHVHC), in patients with Opisthorchis felineus (O. felineus) infection, and in healthy individuals.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. We examined 67 patients with genotype 1 CHVHC, 41 patients with chronic opisthorchiasis, and 29 apparently healthy individuals. A study of the subpopulation composition of T-helper, cytotoxic T-cells, and T-regulatory cells (T-reg) was performed in all subjects using direct immunofluorescence of whole peripheral blood with monoclonal antibodies on a Navios flow cytometer (Beckman Coulter, USA). Diagnosis of chronic hepatitis C and opisthorchiasis was performed using standard clinical, laboratory, and instrumental methods.</p></sec><sec><title>Results</title><p>Results. The levels of effector memory T-helper cells and TEMRA T-helper cells in the blood were significantly higher in patients with chronic hepatitis C compared to controls and patients with opisthorchiasis. Patients with chronic hepatitis C had a reduced proportion of naive T-killers in the blood compared to healthy individuals and patients with opisthorchiasis. In the groups with O. felineus invasion and chronic hepatitis C, higher levels of total T-reg, the proportion of naive T-reg, central memory and effector memory T-reg were recorded in the blood.</p></sec><sec><title>Conclusion</title><p>Conclusion. In patients with O. felineus infection and chronic hepatitis C, there was a significant increase in the levels of regulatory cells, the proportion of naive T-reg cells, central memory T-reg cells, and effector memory T-reg cells compared to healthy individuals. Blood levels of T-helper and T-killer cells did not differ significantly in patients with chronic hepatitis C and opisthorchiasis compared to the control group.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ХВГС</kwd><kwd>иммунитет</kwd><kwd>Т-хелперы</kwd><kwd>Т-киллеры</kwd><kwd>Т-reg</kwd><kwd>субпопуляционный состав Т-клеток</kwd><kwd>фиброз печени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Opisthorchiasis</kwd><kwd>chronic hepatitis C</kwd><kwd>immunity</kwd><kwd>T-helper cells</kwd><kwd>T-killer cells</kwd><kwd>T-reg cells</kwd><kwd>T-cell subpopulation composition</kwd><kwd>liver fibrosis</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">Aydin Y, Kurt R, Tahan V, Daglilar E. Chronic Hepatitis C in the Direct-Acting Antivirals Era: Carcinogenesis and Clinical Implications. 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