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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-239-7-12-20</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-3218</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>ПЕРЕДОВАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LEADING ARTICLE</subject></subj-group></article-categories><title-group><article-title>Микробиота полости рта и гастроэнтерологические заболевания: гипотетическое «путешествие» пародонтальной микробиоты на «пародонтально-гастроэнтерологическом экспрессе» по маршруту рот-кишечник</article-title><trans-title-group xml:lang="en"><trans-title>Oral microbiota and gastroenterological diseases: a hypothetical “journey” of the periodontal microbiota on the “periodontal-gastroenterological express” along the route mouth-intestine</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1597-1876</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трухан</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Trukhan</surname><given-names>D. I.</given-names></name></name-alternatives><email xlink:type="simple">dmitry_trukhan@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное учреждение высшего профессионального образования «Омский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>01</month><year>2026</year></pub-date><volume>0</volume><issue>7</issue><fpage>12</fpage><lpage>20</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Трухан Д.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Трухан Д.И.</copyright-holder><copyright-holder xml:lang="en">Trukhan D.I.</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.nogr.org/jour/article/view/3218">https://www.nogr.org/jour/article/view/3218</self-uri><abstract><p>Исследования и публикации последнего десятилетия кардинально меняют традиционные медицинские представления и наше понимание о возможной взаимосвязи органов и систем организма. Так, множество исследований посвящено изучению связи микробиома кишечника и различных заболеваний. Определенное влияние на микробиом кишечника оказывает микробиом полости рта. Данный обзор, основанный на опубликованных источниках из баз Pubmed и Scopus, в которых рассматривалась взаимосвязь пародонтальной микробиоты/заболеваний пародонта и гастроэнтерологических заболеваний, представляет расширенную версию доклада на круглом столе Научного общества гастроэнтерологов России 20 июня 2025 года. В рамках гипотетического «путешествия» пародонтальной микробиоты на «пародонтально-гастроэнтерологическом экспрессе» по маршруту рот-кишечник рассмотрено возможное влияние пародонтальной микробиоты и заболеваний пародонта на развитие гастроэнтерологических заболеваний. Результаты эпидемиологических, экспериментальных и клинических исследований свидетельствуют, что пародонтопатические бактерии могут принимать участие в развитии онкологических заболеваний желудочно-кишечного тракта, язвенной болезни, воспалительных заболеваний кишечника и неалкогольной жировой болезни печени.</p></abstract><trans-abstract xml:lang="en"><p>Research and publications over the past decade have radically changed traditional medical concepts and our understanding of the possible relationship between organs and body systems. So, many studies are devoted to the study of the relationship between the intestinal microbiome and various diseases. The microbiome of the oral cavity has a certain effect on the intestinal microbiome. This review, based on published sources from the Pubmed and Scopus databases, which examined the relationship between periodontal microbiota/periodontal diseases and gastroenterological diseases, presents an expanded version of the report at the round table of the Scientific Society of Gastroenterologists of Russia on June 20, 2025. Within the framework of the hypothetical “journey” of the periodontal microbiota on the “periodontal-gastroenterological express” along the route mouth-intestine, the possible influence of the periodontal microbiota and periodontal diseases on the development of gastroenterological diseases is considered. The results of epidemiological, experimental and clinical studies indicate that periodontopathic bacteria can participate in the development of cancer of the gastrointestinal tract, peptic ulcer, inflammatory bowel disease and non-alcoholic fatty liver disease.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микробиота полости рта</kwd><kwd>болезни пародонта</kwd><kwd>ось рот-кишечник</kwd><kwd>рак пищевода</kwd><kwd>рак желудка</kwd><kwd>колоректальный рак</kwd><kwd>язвенная болезнь</kwd><kwd>воспалительные заболевания кишечника</kwd><kwd>неалкогольная жировая болезнь печени</kwd></kwd-group><kwd-group xml:lang="en"><kwd>oral microbiota</kwd><kwd>periodontal diseases</kwd><kwd>mouth-intestine axis</kwd><kwd>esophageal cancer</kwd><kwd>stomach cancer</kwd><kwd>colorectal cancer</kwd><kwd>peptic ulcer</kwd><kwd>inflammatory bowel disease</kwd><kwd>non-alcoholic fatty liver disease</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">Huang Z., Liu K., Ma W., Li D., Mo T., Liu Q. 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