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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">clinendo</journal-id><journal-title-group><journal-title xml:lang="ru">Клиническая эндоскопия</journal-title><trans-title-group xml:lang="en"><trans-title>Filin’s Clinical endoscopy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2415-7813</issn><publisher><publisher-name>"Global Media technology" Ltd</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/2415-7813-endo-67-3-56-66</article-id><article-id custom-type="elpub" pub-id-type="custom">clinendo-251</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>Эозинофильный эзофагит. Новое Т2-заболевание с поражением пищевода</article-title><trans-title-group xml:lang="en"><trans-title>Eosinophilic esophagitis. A new T2-type immune-mediated inflammatory disease of the esophagus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0114-3700</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кайбышева</surname><given-names>В. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaibysheva</surname><given-names>V. O.</given-names></name></name-alternatives><email xlink:type="simple">valeriakai@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/0000-0002-6036-7061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>E. D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0003-0629-3871</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шаповальянц</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shapovalyants</surname><given-names>S. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования Российский национальный исследовательский медицинский университет имени Н.И. Пирогова Минздрава России; ГБУЗ «Городская клиническая больница No 31 им. академика Г.М. Савельевой» Департамента здравоохранения города Москвы</institution></aff><aff xml:lang="en"><institution>Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation; City Clinical Hospital No. 31 named after Academician G.M. Saveleyev, Moscow City Health Department, Russian Federation</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования Российский национальный исследовательский медицинский университет имени Н.И. Пирогова Минздрава России</institution></aff><aff xml:lang="en"><institution>Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>18</day><month>11</month><year>2025</year></pub-date><volume>67</volume><issue>3</issue><fpage>56</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кайбышева В.О., Федоров Е.Д., Шаповальянц С.Г., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кайбышева В.О., Федоров Е.Д., Шаповальянц С.Г.</copyright-holder><copyright-holder xml:lang="en">Kaibysheva V.O., Fedorov E.D., Shapovalyants S.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://clinendo.elpub.ru/jour/article/view/251">https://clinendo.elpub.ru/jour/article/view/251</self-uri><abstract><p>Цель: представить современные взгляды на эпидемиологию, этиологию, патогенез эозинофильного эзофагита (ЭоЭ). Основные положения. Эозинофильный эзофагит - хроническое воспалительное иммуно-опосредованное заболевание пищевода в основе патогенеза которого лежит предрасположенность к развитию иммунного ответа по пути активации Т-хелперов 2-го типа, экспрессирующих при контакте с экзогенными аллергенами чрезвычайно активную группу цитокинов. Высокая концентрация Т2- цитокинов в слизистой оболочке пищевода приводит к эозинофильной инфильтрации стенки пищевода на всем его протяжении (от проксимального до дистального отдела), развитию хронического воспаления в толще эпителия и собственной пластинки слизистой оболочки пищевода, развитию субэпителиального фиброза. У пациентов с ЭоЭ часто отмечаются сопутствующие Т2-ассоциированные воспалительные заболевания (бронхиальная астма, ринит, конъюнктивит, поллиноз и др.). Своевременная диагностика и адекватное лечение эозинофильного эзофагита позволяет предотвратить развитие стриктур и других осложнений заболевания.</p></abstract><trans-abstract xml:lang="en"><p>Objective. To present current perspectives on the epidemiology, etiology, and pathogenesis of eosinophilic esophagitis (EoE). Main Points. Eosinophilic esophagitis is a chronic, inflammatory, immune-mediated disease of the esophagus. Its pathogenesis is based on a predisposition to mount an immune response via the activation of type 2 T-helper (Th2) cells, which, upon contact with exogenous allergens, express a highly active group of cytokines. The high concentration of Th2 cytokines in the esophageal mucosa leads to eosinophilic infiltration throughout the entire length of the esophageal wall (from the proximal to the distal segments), the development of chronic inflammation within the epithelium and the lamina propria, and the development of subepithelial fibrosis. Patients with EoE often have concomitant Th2-associated inflammatory diseases (such as bronchial asthma, rhinitis, conjunctivitis, hay fever, etc.). Timely diagnosis and adequate treatment of eosinophilic esophagitis can prevent the development of strictures and other complications of the disease.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эозинофильный эзофагит</kwd><kwd>атопия</kwd><kwd>Т-хелперы 2 типа</kwd><kwd>Т2-воспаление</kwd><kwd>дисфагия</kwd><kwd>биологическая терапия</kwd><kwd>дупилумаб</kwd></kwd-group><kwd-group xml:lang="en"><kwd>eosinophilic esophagitis</kwd><kwd>atopy</kwd><kwd>type 2 T-helper cells</kwd><kwd>type 2 inflammation</kwd><kwd>dysphagia</kwd><kwd>biologic therapy</kwd><kwd>dupilumab</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">Hahn J.W., Lee K., Shin J.I., Cho S.H., Turner S., Shin J.U., et al. 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