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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">docru</journal-id><journal-title-group><journal-title xml:lang="ru">Доктор.Ру</journal-title><trans-title-group xml:lang="en"><trans-title>Title</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1727-2378</issn><issn pub-type="epub">2713-2994</issn><publisher><publisher-name>ООО "ГК "РУСМЕДИКАЛ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31550/1727-2378-2022-21-2-30-33</article-id><article-id custom-type="elpub" pub-id-type="custom">docru-55</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>ГАСТРОЭНТЕРОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GASTROENTEROLOGY</subject></subj-group></article-categories><title-group><article-title>Показатели клеточного обновления эпителиоци- тов желудка у коренных и пришлых жителей Республики Тыва с атрофическим гастритом</article-title><trans-title-group xml:lang="en"><trans-title>Indicators of cellular renewal of gastric epitheliocytes in indigenous and alien inhabitants of the Republic of Tyva with atrophic gastritis</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 660022, г. Красноярск</p></bio><email xlink:type="simple">gastro@impn.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/0000-0003-1142-3933</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Перетятько</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Peretyat'ko</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Перетятько Ольга Викторовна — к. м. н., научный сотрудник клинического отделения патологии пищеварительной системы у взрослых и детей 660022, г. Красноярск</p></bio><email xlink:type="simple">peretvatkoolga@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/0000-0002-6481-3196</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, г. Красноярск</p></bio><email xlink:type="simple">alexander@kraslan.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/0000-0002-5988-1688</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каспаров</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kasparov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каспаров Эдуард Вильямович — д. м. н., профессор, директор НИИ МПС, заместитель директора</p><p>660022, г. Красноярск</p></bio><email xlink:type="simple">clinic@impn.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>Yu. 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 у взрослых и детей</p><p>660022, г. Красноярск</p></bio><email xlink:type="simple">tjulia@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук» обособленное подразделение «Научно-исследовательский институт медицинских проблем Севера»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific and Research Institute of Medical Problems of the North of the Federal Research Centre “Krasnoyarsk Scientific Centre of&#13;
the Siberian Branch of the Russian Academy of Science”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>14</day><month>02</month><year>2025</year></pub-date><volume>21</volume><issue>2</issue><issue-title>ТЕРАПИЯ</issue-title><fpage>30</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цуканов В.В., Перетятько О.В., Васютин А.В., Каспаров Э.В., Тонких Ю.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Цуканов В.В., Перетятько О.В., Васютин А.В., Каспаров Э.В., Тонких Ю.Л.</copyright-holder><copyright-holder xml:lang="en">Tsukanov V.V., Peretyat'ko O.V., Vasyutin A.V., Kasparov E.V., Tonkikh Y.L.</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://docru.elpub.ru/jour/article/view/55">https://docru.elpub.ru/jour/article/view/55</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: изучить показатели апоптоза и пролиферации в эпителиоцитах желудка у коренных и пришлых жителей Республики Тыва с атрофическим и неатрофическим гастритом.</p></sec><sec><title>Дизайн</title><p>Дизайн: одномоментное сравнительное исследование в сельской местности Республики Тыва.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Клинический осмотр и эндоскопическое исследование с забором биопсий из слизистой оболочки антрального отдела и тела желудка были проведены у 61 тувинца и 65 пришлых жителей в п. Сарыг-Сеп Республики Тыва, из них у 91 человека    был неатрофический, а у 35 — атрофический гастрит. Helicobacter pylori определяли двумя методами: морфологическим и уреазным. Морфологическая диагностика гастрита выполнялась в соответствии с модифицированной Сиднейской классификацией (1994).    Иммуногистохимическим методом оценивали маркеры пролиферации (Ki67 и PCNA) и апоптоза (bcl-2 и p53) в эпителиоцитах желудка.</p></sec><sec><title>Результаты</title><p>Результаты. H. pylori обнаружена у 52 (85,2%) из 61 обследованного коренного жителя и у 53 (81,5%) из 65 пришлых пациентов (отношение шансов — 1,29; 95%-ный доверительный интервал: 0,51–3,26; p = 0,75). В обеих популяциях у больных с атрофией в антральном отделе и теле желудка индекс апоптоза p53 был существенно выше, чем у лиц без атрофии. Показатели пролиферации Ki67 и PCNA эпителиоцитов желудка значимо снижались у больных атрофическим гастритом в сравнении с таковыми у пациентов без атрофии среди европеоидов, но не среди тувинцев.</p></sec><sec><title>Заключение</title><p>Заключение. Полученные результаты свидетельствуют о более глубоких нарушениях клеточного обновления эпителиоцитов желудка у пришлых пациентов с атрофическим гастритом, чем у коренных жителей с этим заболеванием. Мы предполагаем, что показатели, характеризующие пролиферацию эпителиоцитов, у больных атрофическим гастритом могут быть маркерами риска развития рака желудка</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Study Objective</title><p>Study Objective: to study the indicators of apoptosis and proliferation in gastric epitheliocytes in indigenous and alien inhabitants of the Republic of Tyva with atrophic and non-atrophic gastritis.</p></sec><sec><title>Study Design</title><p>Study Design: cross-sectional comparative study in rural areas of the Republic of Tyva.</p></sec><sec><title>Material and methods</title><p>Material and methods. Clinical examination and endoscopic examination with biopsy sampling from the mucosa of the antrum and gastric body were carried out in 61 Tuvinian and 65 alien inhabitants in the village of Saryg-Sep of the Republic of Tyva, of which 91 people had non atrophic, and 35 — atrophic gastritis. Helicobacter pylori was determined by two methods: morphological and urease. Morphological diagnosis of gastritis was performed in accordance with the modified Sydney classification (1994). The markers of proliferation (Ki67 and PCNA) and apoptosis (bcl-2 and p53) in gastric epithelial cells were assessed by immunohistochemical method.</p></sec><sec><title>Study Results</title><p>Study Results. H. pylori was found in 85.2% (52 of 61) of the examined natives and 81.5% (of 53 of 65) of the visitors (odds ratio — 1.29; 95% confidence interval: 0.51–3.26, p = 0.75). In both populations, in patients with atrophy in the antrum and gastric body, the apoptosis index p53 was significantly higher than in patients without atrophy. Proliferation indicators Ki67 and PCNA in gastric epithelial cells significantly decreased in patients with atrophic gastritis compared to those in patients without atrophy among Caucasoids, but not among Tuvinians.</p></sec><sec><title>Conclusion</title><p>Conclusion. The obtained results indicate deeper disturbances in the cellular renewal of gastric epitheliocytes in alien inhabitants with atrophic gastritis than in indigenous people with this disease. We suggest that indicators characterizing the proliferation of epitheliocytes in patients with atrophic gastritis may be markers of the risk of developing gastric cancer.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>апоптоз</kwd><kwd>пролиферация</kwd><kwd>атрофический гастрит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>apoptosis</kwd><kwd>proliferation</kwd><kwd>atrophic gastritis</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">Thrift A.P., Nguyen T.H. Gastric cancer epidemiology. Gastrointest. Endosc. Clin. N. Am. 2021; 31(3): 425–39. DOI: 10.1016/j.giec.2021.03.001</mixed-citation><mixed-citation xml:lang="en">Thrift A.P., Nguyen T.H. Gastric cancer epidemiology. 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