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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/ms2024-199</article-id><article-id custom-type="elpub" pub-id-type="custom">medsovet-8326</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 ПИЩЕВОДА И ЖЕЛУДКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ESOPHAGEAL AND GASTRIC DISEASES</subject></subj-group></article-categories><title-group><article-title>Оценка пролиферативной способности слизистой оболочки желудка при антральном гастрите с учетом типов кишечной метаплазии</article-title><trans-title-group xml:lang="en"><trans-title>Epithelial cell proliferation index in patients with atrophic gastritis depending on the presence of complete or incomplete intestinal metaplasia in the gastric antrum</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2396-3438</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рябоконь</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryabokon</surname><given-names>R. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рябоконь Роман Владимирович, младший научный сотрудник клинического отделения патологии пищеварительной системы у взрослых и детей, обособленное подразделение «Научно-исследовательский институт медицинских проблем Севера»; 660022,  Красноярск, ул. Партизана Железняка, д. 3г.;</p><p>врач-патологоанатом, 660022, Красноярск, ул. Партизана Железняка, 3д</p></bio><bio xml:lang="en"><p>Roman V. Ryabokon, Junior Researcher of the Clinical Department of the Digestive System Pathology of Adults and Children, 3g, Partizan Zheleznyak St., Krasnoyarsk, 660022;</p><p>Pathologist, 3d, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">r-ryabokon@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/0000-0002-9980-2294</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, </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,</p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">gastro@impn.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/0000-0002-9196-7246</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хоржевский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khorzhevskii</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хоржевский Владимир Алексеевич, к.м.н., заместитель главного врача по патолого-анатомической работе, </p><p>660022, Красноярск, ул. Партизана Железняка, 3д</p></bio><bio xml:lang="en"><p>Vladimir A. Khorzhevskii, Cand. Sci. (Med.), Deputy Chief Physician for Pathological and Anatomical Work,</p><p>3d, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">vladpatholog@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></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, </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, </p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">alexander@kraslan.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/0000-0001-7518-1895</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, </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, </p><p>3g, Partizan Zheleznyak St., Krasnoyarsk, 660022</p></bio><email xlink:type="simple">tjulia@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «Научно-исследовательский институт медицинских проблем Севера»;&#13;
Красноярское краевое патолого-анатомическое бюро<country>Россия</country></aff><aff xml:lang="en">Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Research Institute of Medical Problems of the North;&#13;
Krasnoyarsk Regional Pathology-Anatomic Bureau<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук», обособленное подразделение «Научно-исследовательский институт медицинских проблем Севера»<country>Россия</country></aff><aff xml:lang="en">Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Research Institute of Medical Problems of the North<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Красноярское краевое патолого-анатомическое бюро<country>Россия</country></aff><aff xml:lang="en">Krasnoyarsk Regional Pathology-Anatomic Bureau<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>06</month><year>2024</year></pub-date><volume>0</volume><issue>8</issue><fpage>28</fpage><lpage>34</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рябоконь Р.В., Цуканов В.В., Хоржевский В.А., Васютин А.В., Тонких Ю.Л., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Рябоконь Р.В., Цуканов В.В., Хоржевский В.А., Васютин А.В., Тонких Ю.Л.</copyright-holder><copyright-holder xml:lang="en">Ryabokon R.V., Tsukanov V.V., Khorzhevskii V.A., Vasyutin A.V., Tonkikh J.L.</copyright-holder><license 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/8326">https://www.med-sovet.pro/jour/article/view/8326</self-uri><abstract><sec><title>Введение</title><p>Введение. О значимости субтипов кишечной метаплазии (КМ) для развития рака желудка существует дискуссия. Поэтому определение показателей клеточного обновления у лиц с полной и неполной КМ является безусловно актуальной задачей.</p></sec><sec><title>Цель</title><p>Цель. Исследовать пролиферативную активность эпителиоцитов антрального отдела желудка у пациентов с Helicobacter pylori-позитивным антральным атрофическим гастритом в зависимости от типа КМ.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследование было включено 20 человек с хроническим антральным неатрофическим гастритом (ХНГ; группа А), 20 пациентов с хроническим антральным атрофическим гастритом (ХАГ) без КМ (группа В), 20 больных ХАГ с полной КМ (группа С) и 20 лиц с ХАГ с неполной КМ (группа D). Стадию хронического гастрита оценивали морфологиче ским методом в соответствии с модифицированной Сиднейской классификацией. Для типирования очагов КМ в слизистой оболочке желудка (СОЖ) использовали ШИК-реакцию. Активность пролиферации изучалась по экспрессии ядерного белка Ki67 методом иммуногистохимии.</p></sec><sec><title>Результаты</title><p>Результаты. Индекс пролиферации в очагах полной КМ в группе C составил 5%, а в группе D в очагах неполной КМ индекс экспрессии Ki67 был значительно выше и равнялся 39% (p &lt; 0,001). Вне очагов метаплазии индекс пролиферации был равен в группе C – 23,5%, в группе D – 19% (p = 0,06).</p></sec><sec><title>Выводы</title><p>Выводы. Нами зарегистрированы значительно более высокие показатели пролиферации эпителиоцитов желудка в очагах с неполной КМ в сравнении с очагами с полной КМ. Определение показателей пролиферации в очагах неполной кишечной метаплазии может быть маркером повышенного риска развития рака желудка.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. There is a debate about the significance of intestinal metaplasia (IM) subtypes for the development of gastric cancer. Therefore, determining the indicators of cellular renewal in individuals with complete and incomplete IM is certainly a topical issue.</p></sec><sec><title>Aim</title><p>Aim. To study the proliferative activity of epithelial cells of the gastric antrum in patients with Helicobacter pylori-positive antral atrophic gastritis depending on the subtype of IM.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study included 20 people with chronic antral non-atrophic gastritis (CNG; group A), 20 patients with chronic antral atrophic gastritis (CAG) without IM (group B), 20 patients with CAG with complete IM (group C) and 20 people with CAG with incomplete IM (group D). The stage of chronic gastritis was assessed by the morphological method in accordance with the modified Sydney classification. Typing of IM foci in the gastric mucosa was performed using the PAS reaction. Proliferation activity was studied by the expression of nuclear protein Ki67 using immunohistochemistry.</p></sec><sec><title>Results</title><p>Results. The proliferation index in the foci of complete BM in group C was 5%, and in group D in the foci of incomplete BM the Ki67 expression index was significantly higher and was 39% (p &lt; 0.001). Outside the foci of metaplasia, the proliferation index was 23.5% in group C and 19% in group D (p = 0.06).</p></sec><sec><title>Conclusion</title><p>Conclusion. We have registered significantly higher proliferation indicators of gastric epithelial cells in foci with incomplete IM compared to foci with complete IM. Determination of proliferation indicators in foci of incomplete intestinal metaplasia may be a marker of an increased risk of developing gastric cancer.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>пролиферация</kwd><kwd>клеточное обновление</kwd><kwd>Ki67</kwd><kwd>гастрит</kwd><kwd>рак желудка</kwd><kwd>морфология</kwd><kwd>иммуногистохимия</kwd><kwd>Helicobacter pylori</kwd></kwd-group><kwd-group xml:lang="en"><kwd>proliferation</kwd><kwd>cellular renewal</kwd><kwd>Ki67</kwd><kwd>gastritis</kwd><kwd>intestinal metaplasia</kwd><kwd>gastric cancer</kwd><kwd>morphology</kwd><kwd>immunohistochemistry</kwd><kwd>Helicobacter pylori</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">Morson BC. Carcinoma arising from areas of intestinal metaplasia in the gastric mucosa. 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