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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">antibiotics</journal-id><journal-title-group><journal-title xml:lang="ru">Антибиотики и Химиотерапия</journal-title><trans-title-group xml:lang="en"><trans-title>Antibiot Khimioter = Antibiotics and Chemotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0235-2990</issn><publisher><publisher-name>ООО «Издательство ОКИ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37489/0235-2990-2024-69-3-4-51-57</article-id><article-id custom-type="edn" pub-id-type="custom">KKPVRM</article-id><article-id custom-type="elpub" pub-id-type="custom">antibiotics-1125</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 ИССЛЕДОВАНИЯ И ПРАКТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GUIDELINES FOR PRACTITIONERS</subject></subj-group></article-categories><title-group><article-title>Случай первичного иммунодефицита с иммунной дисрегуляцией: особенности клинической манифестации и сложности диагностики</article-title><trans-title-group xml:lang="en"><trans-title>A case of primary immunodeficiency with immune dysregulation: features of clinical manifestation and diagnostic difficulties</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4692-4802</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Серебрякова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Serebryakova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Серебрякова Елена Николаевна — д. м. н., профессор кафедры госпитальной педиатрии; декан факультета клинической психологии</p><p>Челябинск</p><p>ResearcherID: ABG-8330-2021. Scopus Author ID: 36020648000</p></bio><bio xml:lang="en"><p>Elena N. Serebryakova — D. Sc. in Medicine, Professor of the Department of Hospital Pediatrics; Dean of the Faculty of Clinical Psychology</p><p>Chelyabinsk</p><p>ResearcherID: ABG-8330-2021. Scopus Author ID: 36020648000</p></bio><email xlink:type="simple">doctor-hit@yandex.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/0000-0001-9826-9654</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шилова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шилова Татьяна Васильевна — к. м. н., доцент кафедры госпитальной педиатрии; декан педиатрического факультета</p><p>Челябинск</p><p>ResearcherID: JZS-8764-2024. Scopus Author ID: 57211799427</p></bio><bio xml:lang="en"><p>Tatiana V. Shilova — Ph. D. in Medicine, Associate Professor at the Department of Hospital Pediatrics</p><p>Chelyabinsk</p><p>ResearcherID: JZS-8764-2024. Scopus Author ID: 57211799427</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-5400-3043</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кожевников</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhevnikov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кожевников Артем Сергеевич — старший лаборант кафедры госпитальной педиатрии, ординатор второго года обучения по специальности Неонатология</p><p>Челябинск</p><p>ResearcherID: RID72103. Scopus Author ID: 58103491300</p></bio><bio xml:lang="en"><p>Artem S. Kozhevnikov — Senior laboratory assistant at the Department of Hospital Pediatrics; Second-year resident majoring in Neonatology</p><p>Chelyabinsk</p><p>ResearcherID: RID72103. Scopus Author ID: 58103491300</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-3745-9514</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кильмухаметова</surname><given-names>Э. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kilmukhametova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кильмухаметова Элина Ильясовна — студентка 6 курса педиатрического факультета; медицинская сестра отделения новорожденных</p><p>Челябинск</p><p>ResearcherID: RID72101</p></bio><bio xml:lang="en"><p>Elina I. Kilmukhametova — 6th year student of the Pediatric Faculty; Nurse of the Neonatal Department</p><p>Chelyabinsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО Южно-Уральский государственный медицинский университет Минздрава России; Челябинская областная детская клиническая больница</institution><country>Россия</country></aff><aff xml:lang="en"><institution>South Ural State Medical University of the Ministry of Health of the Russian Federation; Chelyabinsk Regional Children's Clinical &#13;
Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>06</month><year>2024</year></pub-date><volume>69</volume><issue>3-4</issue><fpage>51</fpage><lpage>57</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Серебрякова Е.Н., Шилова Т.В., Кожевников А.С., Кильмухаметова Э.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Серебрякова Е.Н., Шилова Т.В., Кожевников А.С., Кильмухаметова Э.И.</copyright-holder><copyright-holder xml:lang="en">Serebryakova E.N., Shilova T.V., Kozhevnikov A.S., Kilmukhametova E.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.antibiotics-chemotherapy.ru/jour/article/view/1125">https://www.antibiotics-chemotherapy.ru/jour/article/view/1125</self-uri><abstract><p>В статье представлено описание случая редкого первичного иммунодефицита с иммунной дисрегуляцией — дефицита CD25 c манифестацией в неонатальном периоде в виде тяжёлой хронической диареи, подверженности вирусным, бактериальным, грибковым инфекциям, аутоиммунными проявлениями, синдромом мальабсорбции, гипотрофией, поражением кожи, подтверждённого обнаруженной при анализе ДНК гомозиготной мутацией в гене IL2-RA. В статье рассматривается роль IL2-RA в созревании и дифференцировке Т-лимфоцитов, современные подходы к классификации первичных иммунодефицитов с иммунной дисрегуляцией, принципы диагностики и лечения дефицита CD25, проводится анализ и сопоставление других описанных в литературе случаев дефицита CD25.</p></abstract><trans-abstract xml:lang="en"><p>The article describes a case of a rare primary immunodeficiency with immune dysregulation — CD25 deficiency with manifestation in the neonatal period in the form of severe chronic diarrhea, susceptibility to viral, bacterial, and fungal infections, autoimmune manifestations, malabsorption syndrome, hypotrophy, skin lesions, confirmed by a homozygous mutation in the IL2-RA gene detected by DNA analysis. The article discusses the role of IL2-RA in the maturation and differentiation of T-lymphocytes, modern approaches to the classification of primary immunodeficiencies with immune dysregulation, principles of diagnosis and treatment of CD25 deficiency, as well as analyzes and compares other cases of CD25 deficiency described in the literature.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дефицит CD25</kwd><kwd>первичный иммунодефицит с иммунной дисрегуляцией</kwd><kwd>диагностика</kwd><kwd>клинические проявления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>CD25 deficiency</kwd><kwd>primary immunodeficiency with immune dysregulation</kwd><kwd>diagnosis</kwd><kwd>clinical manifestations</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">Tangye S.G., Al-Herz W., Bousfiha A., Cunningham-Rundles C., Franco J.L., Holland S.M., Klein C., Morio T., Oksenhendler E., Picard C., Puel A., Puck J., Seppänen M.R.J., Somech R., Su H.C., Sullivan K.E., Torgerson T.R., Meyts I. 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