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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-245-1-143-152</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-3375</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>Генно-фенотипические особенности семейного внутрипеченочного холестаза</article-title><trans-title-group xml:lang="en"><trans-title>Genetic and phenotypic features familial intrahepatic cholestasis: case report</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4147-2309</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волгина</surname><given-names>С. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Volgina</surname><given-names>S. Ya.</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/0000-0002-9687-4583</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соловьева</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Solovieva</surname><given-names>N. A.</given-names></name></name-alternatives><email xlink:type="simple">nailya-soloveva@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/0000-0003-1741-2629</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кулакова</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulakova</surname><given-names>G. 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/0000-0003-0873-8037</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Курмаева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurmaeva</surname><given-names>E. 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/0009-0009-3096-8198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухамадиева</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhamadieva</surname><given-names>A. I.</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/0009-0008-8576-9818</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шайдуллина</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaydullina</surname><given-names>R. R.</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 образовательное учреждение высшего образования «Казанский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>1</issue><fpage>143</fpage><lpage>152</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волгина С.Я., Соловьева Н.А., Кулакова Г.А., Курмаева Е.А., Мухамадиева А.И., Шайдуллина Р.Р., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Волгина С.Я., Соловьева Н.А., Кулакова Г.А., Курмаева Е.А., Мухамадиева А.И., Шайдуллина Р.Р.</copyright-holder><copyright-holder xml:lang="en">Volgina S.Y., Solovieva N.A., Kulakova G.A., Kurmaeva E.A., Mukhamadieva A.I., Shaydullina R.R.</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/3375">https://www.nogr.org/jour/article/view/3375</self-uri><abstract><p>Семейный внутрипеченочный холестаз представляет собой гетерогенную группу генетических нарушений, влияющих на секрецию и транспорт желчных кислот. Прогрессирующий семейный внутрипеченочный холестаз (ПСВХ) может дебютировать в разные возрастные периоды. В настоящее время известно 13 типов ПСВХ, связанных с изменениями в различных генах, которые проявляются крайней фенотипической изменчивостью. ПСВХ2 связан с вариантами в гене ABCB11, вызывающих дефицит или дисфункцию АТФ-связывающего транспортного белка, осуществляющего экскрецию желчных кислот из гепатоцита в желчные каналикулы против градиента концентрации. Накопление желчных кислот в гепатоцитах приводит к развитию холестаза, начиная от транзиторного и заканчивая фатальным ПСВХ, сопровождающимся желтухой, задержкой роста, циррозом печени, печеночной недостаточностью. Своевременная диагностика крайне важна для начала терапии с целью предупреждения холестатического повреждения печени. Представленный клинический случай демонстрирует возможность нозологической диагностики редкой наследственной патологии и эффективность проводимой терапии. Проведенное генетическое исследование позволило диагностировать семейный внутрипеченочный холестаз. Клинический фенотип у данного пациента в полной мере не соответствует доброкачесвенному рецидивирующему внутрипеченочному холестазу 2 (ОМИМ # 605479) и ПСВХ2 (ОМИМ# 601847), вероятно имеет место промежуточный фенотип. Необходимо динамическое наблюдение и контроль клинических, лабораторных и визуализирующих характеристик с целью своевременного выявления прогрессирования заболевания.</p></abstract><trans-abstract xml:lang="en"><p>Familial intrahepatic cholestasis is a heterogeneous group of genetic disorders affecting the secretion and transport of bile acids. Progressive familial intrahepatic cholestasis (PFIC) may debut at different periods of childhood and in adults. Currently, 13 types are known, associated with changes in various genes and extreme phenotypic variability. PFIC2 type is associated with changes in the ABCB11 gene, causing deficiency or dysfunction of the ATP-binding transport protein that excretes bile acids from the hepatocyte into the bile canaliculi against the concentration gradient. Accumulation of bile acids in hepatocytes leads to the development of cholestasis, ranging from transient to fatal progressive familial intrahepatic cholestasis, accompanied by jaundice, growth retardation, liver cirrhosis, liver failure. Timely diagnosis is extremely important for the initiation of therapy to prevent cholestatic liver damage. The presented clinical case demonstrates the possibility of nosological diagnosis of a rare hereditary pathology and the effectiveness of the therapy at this stage. The conducted genetic study allowed us to diagnose familial intrahepatic cholestasis. The clinical phenotype in this patient does not fully correspond to benign recurrent intrahepatic cholestasis type 2 (OMIM # 605479) and PFIC2 (OMIM # 601847), an intermediate phenotype is likely to occur. Dynamic observation and control of clinical, laboratory and imaging characteristics are necessary in order to timely detect disease progression.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>прогрессирующий семейный внутрипеченочный холестаз 2 тип</kwd><kwd>дети</kwd></kwd-group><kwd-group xml:lang="en"><kwd>progressive familial intrahepatic cholestasis type 2</kwd><kwd>children</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">Alsohaibani F.I., Peedikayil M.C., Alfadley A.F. et al. 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