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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-238-6-180-185</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-3210</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Атипичная манифестация аутоиммунного полигландулярного синдрома 1 типа</article-title><trans-title-group xml:lang="en"><trans-title>Atypical manifestation of autoimmune polyglandular syndrome type 1</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8837-4722</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нагиева</surname><given-names>С. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagieva</surname><given-names>S. E.</given-names></name></name-alternatives><email xlink:type="simple">s.e.nagieva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-3422-956X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нужная</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Nuzhnaya</surname><given-names>E. Yu.</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/0000-0003-1285-9093</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыжкова</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhkova</surname><given-names>O. P.</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/0000-0002-0649-5062</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Забненкова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zabnenkova</surname><given-names>V. V.</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/0000-0002-8831-1844</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlova</surname><given-names>A. A.</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/0000-0003-4905-1303</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щагина</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchagina</surname><given-names>O. A.</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/0000-0001-9557-387X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Таран</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Taran</surname><given-names>N. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0001-7663-4382</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тин</surname><given-names>И. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Tin</surname><given-names>I. F.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0001-7041-045X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Строкова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Strokova</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семенова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenova</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Center for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр питания, биотехнологии и безопасности пищи; Федеральное государственное автономное образовательное учреждение высшего образования Российский национальный исследовательский медицинский университет имени Н.И. Пирогова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center for Nutrition, Biotechnology, and Food Safety; N. I. Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр питания, биотехнологии и безопасности пищи</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center for Nutrition, Biotechnology, and Food Safety</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2026</year></pub-date><volume>0</volume><issue>6</issue><fpage>180</fpage><lpage>185</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нагиева С.Э., Нужная Е.Ю., Рыжкова О.П., Забненкова В.В., Орлова А.А., Щагина О.А., Таран Н.Н., Тин И.Ф., Строкова Т.В., Семенова Н.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Нагиева С.Э., Нужная Е.Ю., Рыжкова О.П., Забненкова В.В., Орлова А.А., Щагина О.А., Таран Н.Н., Тин И.Ф., Строкова Т.В., Семенова Н.А.</copyright-holder><copyright-holder xml:lang="en">Nagieva S.E., Nuzhnaya E.Y., Ryzhkova O.P., Zabnenkova V.V., Orlova A.A., Shchagina O.A., Taran N.N., Tin I.F., Strokova T.V., Semenova N.A.</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/3210">https://www.nogr.org/jour/article/view/3210</self-uri><abstract><p>Биаллельные патогенные варианты, гена AIRE, приводят к развитию аутоиммунного полигландулярного синдрома, 1 типа (АПС1; OMIM: 240300). Наиболее часто синдром манифестирует с хронического кандидоза кожи и слизистых оболочек в раннем детстве. По мере прогрессирования заболевания в клинической картине могут наблюдаться гипопаратиреоз и болезнь Аддисона. Однако, симптомы заболевания разнообразны и широко варьируют даже среди членов одной семьи. В данной статье описан пациент - мальчик трех лет с признаками тяжелой диареи и симптомами поражения гепатобилиарного тракта. Кожные и эндокринные проявления при манифестации заболевания отсутствовали. При проведении полного секвенирования экзома (WES) было обнаружено два ранее описанных патогенных варианта в гене AIRE NM_000383.4: c.769C&gt;T p.(Arg257Ter) и NM_000383.4: c.1302C&gt;A p.(Cys434Ter). Секвенирование по Сэнгеру и обследование семьи подтвердило компаунд-гетерозиготное положение вариантов. Данный случай демонстрирует атипичное проявление АПС1 в виде диареи с синдромом мальабсорбции и холестатической болезнью печени.</p></abstract><trans-abstract xml:lang="en"><p>Biallelic pathogenic variants of the AIRE gene lead to the development of autoimmune polyglandular syndrome type 1 (APS1; OMIM: 240300). The syndrome most often manifests with chronic candidiasis of the skin and mucous membranes in early childhood. As the disease progresses, hypoparathyroidism and Addison’s disease may be observed in the clinical picture. However, the symptoms of the disease are diverse and vary widely even among members of the same family. This article describes a patient - a three-year-old boy with signs of severe diarrhea and symptoms of hepatobiliary tract involvement. Skin and endocrine manifestations were absent at disease onset. Whole exome sequencing (WES) identified two previously described pathogenic variants in the AIRE gene: NM_000383.4: c.769C&gt;T p.(Arg257Ter) and NM_000383.4: c.1302C&gt;A p.(Cys434Ter). Sanger sequencing and family testing confirmed the compound heterozygous position of these variants. This case demonstrates an atypical manifestation of APS1: diarrhea with malabsorption syndrome and cholestatic liver disease.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>клинический случай</kwd><kwd>аутоиммунный полигландулярный синдром 1 типа</kwd><kwd>АПС 1</kwd><kwd>диарея с мальабсорбцией</kwd><kwd>хронический гепатит</kwd><kwd>холестаз</kwd><kwd>ген AIRE</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clinical case</kwd><kwd>autoimmune polyglandular syndrome type 1</kwd><kwd>APS1</kwd><kwd>diarrhea with malabsorption</kwd><kwd>chronic hepatitis</kwd><kwd>cholestasis</kwd><kwd>AIRE gene</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">Cranston T., Boon H., Olesen M.K. et al. Spectrum of germline AIRE mutations causing APS-1 and familial hypoparathyroidism. 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