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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">uzspbgmu</journal-id><journal-title-group><journal-title xml:lang="ru">Учёные записки Первого Санкт-Петербургского государственного медицинского университета имени академика И. П. Павлова</journal-title><trans-title-group xml:lang="en"><trans-title>The Scientific Notes of the Pavlov University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-4181</issn><issn pub-type="epub">2541-8807</issn><publisher><publisher-name>Academician I.P. Pavlov First St. Petersburg State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24884/1607-4181-2021-28-4-29-37</article-id><article-id custom-type="elpub" pub-id-type="custom">uzspbgmu-846</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>ОРИГИНАЛЬНЫЕ РАБОТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Межклеточные взаимоотношения и их роль в фиброгенезе при хроническом гепатите С</article-title><trans-title-group xml:lang="en"><trans-title>Intercellular interactions and their role in fibrogenesis in chronic hepatitis C</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3725-7737</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карабак</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karabak</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карабак Ирина Александровна, младший научный сотрудник научно-исследовательского отдела патоморфологии</p><p>197022, Санкт-Петербург, ул. Профессора Попова, д. 9</p></bio><bio xml:lang="en"><p>Karabak Irina A., Junior Research Fellow of the Research Department of Pathomorphology</p><p>9, Professor Popov str., Saint Petersburg, 197022</p></bio><email xlink:type="simple">klb_110@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/0000-0002-7972-1286</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карев</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Karev</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карев Вадим Евгеньевич, доктор медицинских наук, руководитель научно-исследовательского отдела патоморфологии</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Karev Vadim E., Dr. of Sci. (Med.), Head of the Research Department of Pathomorphology</p><p>Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Детский научно-клинический центр инфекционных болезней Федерального медико-биологического агентства»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pediatric Research and Clinical Center for Infectious Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Детский научно-клинический центр инфекционных болезней Федерального медикобиологического агентства»</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>Pediatric Research and Clinical Center for Infectious Diseases</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>25</day><month>12</month><year>2021</year></pub-date><volume>28</volume><issue>4</issue><fpage>29</fpage><lpage>37</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Карабак И.А., Карев В.Е., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Карабак И.А., Карев В.Е.</copyright-holder><copyright-holder xml:lang="en">Karabak I.A., Karev V.E.</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.sci-notes.ru/jour/article/view/846">https://www.sci-notes.ru/jour/article/view/846</self-uri><abstract><sec><title>Введение</title><p>Введение. В основе формирования жизнеугрожающих осложнений при хроническом гепатите С (ХГС) лежит прогрессирующий фиброгенез. Процесс формирования фиброза печени обеспечивается межклеточными взаимодействиями, прежде всего, лимфоцитов, макрофагов и звездчатых клеток (ЗК), закономерности взаимных влияний которых на данный момент изучены недостаточно.</p><p>Цель – изучить особенности межклеточных взаимосвязей непаренхиматозных клеток печени при различной гистологической активности, на разных стадиях фиброза ХГС и при разных генотипах вируса гепатита С (ВГС).</p></sec><sec><title>Методы и материалы</title><p>Методы и материалы. Объект исследования – 64 биоптата печени взрослых пациентов с естественным течением ХГС. Использовали гистологический, иммуногистохимический и иммуногистоморфометрический методы.</p></sec><sec><title>Результаты</title><p>Результаты. Возрастание гистологической активности сопровождается увеличением количества и размеров (площади) CD68+-макрофагов и SMA-alfa+ ЗК. Корреляционные взаимосвязи межклеточных взаимодействий при низкой и умеренной гистологической активности имели значимые отличия. При слабо выраженном фиброзе выявлялась взаимосвязь между количеством CD8+-лимфоцитов, количеством и площадью CD68+-макрофагов и SMA-alfa+ ЗК. Для 1-го генотипа ВГС характерно преобладание взаимосвязи между содержанием CD8+-лимфоцитов, количеством и площадью CD68+-макрофагов в печени, для 3-го генотипа – между содержанием CD8+-лимфоцитов, количеством и площадью SMA+ ЗК.</p></sec><sec><title>Заключение</title><p>Заключение. Максимальная активация ЗК и макрофагов происходит уже при умеренной гистологической активности и сохраняется при ее увеличении. Закрепление иммунопатологического характера межклеточных взаимосвязей между лимфоцитами, макрофагами и ЗК происходит на стадии слабо выраженного фиброза. Межклеточные взаимосвязи имеют существенные различия в зависимости от генотипа ВГС, что может определять неблагоприятный прогноз заболевания.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The development of life-threatening complications in chronic hepatitis C (CHC) is based on progressive fibrogenesis. The developing of liver fibrosis is provided by intercellular interactions, first of all, of lymphocytes, macrophages and stellate cells (SC), the patterns of mutual influences of which have not been sufficiently studied at the moment.</p><p>The objective was to study the features of intercellular interplay of nonparenchymal liver cells at different histological activity, at different stages of CHC fibrosis, and at different genotypes of the hepatitis C virus (HCV).</p></sec><sec><title>Methods and materials</title><p>Methods and materials. The object of the study was 64 liver biopsies of adult patients with natural course of CHC. Нistological, immunohistochemical and immunohistomorphometric methods were used.</p></sec><sec><title>Results</title><p>Results. The increasing histological activity is accompanied by an increase in the number and size (area) of CD68 + macrophages and SMA-alfa + SC. Correlation relationships of intercellular interactions at low and moderate histological activity had significant differences. In mild fibrosis, a relationship was found between the number of CD8 + lymphocytes, the number and area of CD68 + macrophages and SMA-alfa + SC. HCV genotype 1 is characterized by a predominance of the interactions between the number of CD8 + lymphocytes, the number and area of CD68 + macrophages in the liver, for genotype 3 – between the number of CD8 + lymphocytes, the number and area of SMA + SC.</p></sec><sec><title>Conclusions</title><p>Conclusions. The maximum activation of SC and macrophages occurs even with moderate histological activity and persists with an increase. The consolidation of the immunopathological nature of the intercellular interplay between lymphocytes, macrophages and SC occurs at the stage of mild fibrosis. Intercellular interactions have significant differences depending on the HCV genotype, which can determine a poor prognosis of the disease.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>хронический гепатит С</kwd><kwd>фиброгенез</kwd><kwd>макрофаги</kwd><kwd>звездчатые клетки</kwd><kwd>Т-лимфоциты</kwd><kwd>генотип</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chronic hepatitis C</kwd><kwd>fibrogenesis</kwd><kwd>macrophages</kwd><kwd>stellate cells</kwd><kwd>T-lymphocytes</kwd><kwd>genotype</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">Organization W. H. О. 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