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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">docru</journal-id><journal-title-group><journal-title xml:lang="ru">Доктор.Ру</journal-title><trans-title-group xml:lang="en"><trans-title>Title</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1727-2378</issn><issn pub-type="epub">2713-2994</issn><publisher><publisher-name>ООО "ГК "РУСМЕДИКАЛ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31550/1727-2378-2024-23-1-82-85</article-id><article-id custom-type="elpub" pub-id-type="custom">docru-17</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>КЛИНИЧЕСКИЙ ОПЫТ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL EXPERIENCE</subject></subj-group></article-categories><title-group><article-title>Селективный дефицит иммуноглобулина А в сочетании с селективным дефицитом иммуноглобулина G4 у взрослого пациента</article-title><trans-title-group xml:lang="en"><trans-title>Selective Immunoglobulin A Deficiency Associated  with Immunoglobulin G4 Deficiency in Adult Patient</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Москалец</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Moskalets</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москалец Оксана Владимировна — к. м. н., ведущий научный сотрудник </p><p>129110, г. Москва, ул. Щепкина, д. 61/2, кор. 1</p></bio><bio xml:lang="en"><p>61/2 Schepkina Str., build. 1, Moscow, 129110</p></bio><email xlink:type="simple">6816000@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ МО «Московский областной научно-исследовательский клинический институт имени М.Ф. Владимирского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M.F. Vladimirsky Moscow Regional Research Clinical Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>12</day><month>02</month><year>2025</year></pub-date><volume>23</volume><issue>1</issue><issue-title>ТЕРАПИЯ</issue-title><fpage>82</fpage><lpage>85</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Москалец О.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Москалец О.В.</copyright-holder><copyright-holder xml:lang="en">Moskalets O.V.</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://docru.elpub.ru/jour/article/view/17">https://docru.elpub.ru/jour/article/view/17</self-uri><abstract><sec><title>Цель статьи</title><p>Цель статьи. Продемонстрировать возможность развития первичного иммунодефицита с нарушением синтеза антител у взрослого пациента и обсудить алгоритм лабораторной диагностики и тактику лечения.</p></sec><sec><title>Основные положения</title><p>Основные положения. Первичные иммунодефициты — группа заболеваний, связанных с моногенными мутациями. У них нет типичной клинической картины. Представлено клиническое наблюдение, когда у пациента с хронической бронхолегочной патологией был выявлен селективный дефицит иммуноглобулина А в сочетании с селективным дефицитом субкласса иммуноглобулина G. Обсуждаются клинико-лабораторные критерии постановки диагноза, тактика лечения.</p></sec><sec><title>Заключение</title><p>Заключение. Первичные иммунодефициты часто скрываются под инфекционными масками. Необходимо исследование сывороточных иммуноглобулинов, при их нормальных уровнях или селективном дефиците иммуноглобулина А дополнительно следует определять содержание субклассов иммуноглобулина G.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. To demonstrate the possibility of developing primary immunodeficiency with impaired antibody synthesis in an adult patient and discuss the algorithm for laboratory diagnostics and treatment tacticsto demonstrate the possibility of developing primar hypoimmunoglobulinemia after a course of imunosupressive therapy.</p></sec><sec><title>Key points</title><p>Key points. Primary immunodeficiencies are a group of diseases associated with monogenic mutations. They do not have a typical clinical picture. A clinical observation is presented, when a selective deficiency of immunoglobulin A in combination with a selective deficiency of the subclass of immunoglobulin G was detected in a patient with chronic bronchopulmonary pathology. Clinical and laboratory criteria for diagnosis and treatment tactics are discussed.</p></sec><sec><title>Сonclusion</title><p>Сonclusion. Primary immunodeficiencies are often hidden by infectious masks. It is necessary to study serum immunoglobulins, with their normal levels or selective deficiency of immunoglobulin A, to additionally investigate the content of subclasses of immunoglobulin G. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>первичный иммунодефицит</kwd><kwd>селективный дефицит иммуноглобулина А</kwd><kwd>субклассы иммуноглобулина G</kwd></kwd-group><kwd-group xml:lang="en"><kwd>primary immunodeficiency</kwd><kwd>selective immunoglobulin A deficiency</kwd><kwd>immunoglobulin G subclass deficiency</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">Bousfiha A., Jeddane L., Picard C., Al-Herz W. et al. Human inborn errors of immunity: 2019 update of the IUIS phenotypical classification. J. Clin. Immunol. 2020;40(1):66–81. DOI: 10.1007/s10875-020-00758-x</mixed-citation><mixed-citation xml:lang="en">Bousfiha A., Jeddane L., Picard C., Al-Herz W. et al. 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