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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Allergy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Allergy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский Аллергологический Журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1810-8830</issn><issn publication-format="electronic">2686-682X</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">689</article-id><article-id pub-id-type="doi">10.36691/RJA689</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical and laboratory phenotypes of severe combined immunodeficiencies with mutations in RAG1/RAG2 genes</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-лабораторные фенотипы тяжелых комбинированных иммунодефицитов, вызванных мутациями генов RAG1/RAG2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kondratenko</surname><given-names>I V</given-names></name><name xml:lang="ru"><surname>Кондратенко</surname><given-names>Ирина Вадимовна</given-names></name></name-alternatives><email>ikondratenko@rambler.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pashchenko</surname><given-names>O E</given-names></name><name xml:lang="ru"><surname>Пащенко</surname><given-names>О Е</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rodina</surname><given-names>Y A</given-names></name><name xml:lang="ru"><surname>Родина</surname><given-names>Ю А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Belevtcev</surname><given-names>M V</given-names></name><name xml:lang="ru"><surname>Белевцев</surname><given-names>М В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Van</surname><given-names>den M</given-names></name><name xml:lang="ru"><surname>Van den Burg</surname><given-names>M M</given-names></name></name-alternatives><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bologov</surname><given-names>A A</given-names></name><name xml:lang="ru"><surname>Бологов</surname><given-names>А А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Children's Clinical Hospital, Moscow</institution></aff><aff><institution xml:lang="ru">ФГУ Российская детская клиническая больница МЗ Соцразвития России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian National Scientific Medical University, Moscow</institution></aff><aff><institution xml:lang="ru">ГОУ ВПО Российский национальный исследовательский медицинский университет им. Пирогова МЗ Соцразвития России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Institute of Children's Oncology, Hematology and Immunology, Minsk, Belarus</institution></aff><aff><institution xml:lang="ru">ГУ РНПЦ детской онкологии, гематологии и иммунологии МЗ Республики Беларусь</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute for Bioethics, Health Ethics and Philosophy, Department of Caring Sciences, University of Maastricht, Maastricht, the Netherlands</institution></aff><aff><institution xml:lang="ru">Институт биоэтики, этики здоровья и физиологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-08-15" publication-format="electronic"><day>15</day><month>08</month><year>2012</year></pub-date><volume>9</volume><issue>4</issue><issue-title xml:lang="en">NO4 (2012)</issue-title><issue-title xml:lang="ru">№4 (2012)</issue-title><fpage>26</fpage><lpage>32</lpage><history><date date-type="received" iso-8601-date="2020-03-10"><day>10</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Pharmarus Print Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Фармарус Принт Медиа</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Pharmarus Print Media</copyright-holder><copyright-holder xml:lang="ru">Фармарус Принт Медиа</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2014-12-15"/></permissions><self-uri xlink:href="https://rusalljournal.ru/raj/article/view/689">https://rusalljournal.ru/raj/article/view/689</self-uri><abstract xml:lang="en"><p>Background. The RAG1 and RAG2 proteins are key players in the V(D)J recombination process leading to the assembly of antigen receptor genes. Defects in RAG1/RAG2 genes are caused to different phenotypes of severe combined immunodeficiencies (SCID). Objective — to determine the clinical and laboratory manifestations in patients with RAG1 / RAG2 mutations from one single center, to identify the phenotype-genotype correlations. Materials and methods. We described 4 children with RAG1 mutations. Diagnosis of SCID was confirmed by criteria’s of European society of immunodeficiencies (ESID). Results. In two patients we observed Omenn syndrome, in 1 — classic T -B -NK + SCID, in 1 — «sof» T +B -NK + SCID. One patient with Omenn syndrome and patient with «soft» SCID had same RAG1 mutations. Conclusions. RAG 1 / RAG2 mutations are caused to severe life-threatening combined immunodeficiency, requiring radical therapy. We found no genotype-phenotype correlations in patients with RAG1 defects.</p></abstract><trans-abstract xml:lang="ru"><p>Протеины RAG1/RAG2 играют ключевую роль в процессах V(D)J-рекомбинации, обеспечивающих разнообразие вариабельных доменов иммуноглобулинов и Т-клеточных рецепторов. В результате поломок генов RAG1/RAG2 развиваются тяжелые комбинированные иммунодефициты с разными клинико-лабораторными фенотипами. Цель. Определить спектр клинико-лабораторных проявлений и выявить корреляции генотип-фенотип в группе пациентов с мутациями RAG1/RAG2, наблюдавшихся в одном центре. Материалы и методы. Наблюдали 4 детей с мутациями RAG1. Диагноз тяжелых комбинированных иммунодефицитов (SCID) был поставлен в соответствии с критериями диагностики первичных иммунодефицитов, разработанными экспертами Европейского общества первичных иммунодефицитов (ESID). Результаты. У 2 больных отмечалось развитие синдрома Оменн, у 1 — классический фенотип Т -В -К + SCID, у 1 — «мягкий» Т +В -NK + вариант. Один из пациентов с синдромом Оменн и больной с «мягким» фенотипом SCID имели идентичные мутации RAG1. Заключение. Мутации RAG1/RAG2 ведут к развитию тяжелого, жизнеугрожающего комбинированного иммунодефицита, требующего радикального лечения в виде трансплантации костного мозга. Нами не выявлено корреляций генотип-фенотип в группе пациентов с мутациями RAG1.</p></trans-abstract><kwd-group xml:lang="en"><kwd>primary immunodeficiency</kwd><kwd>severe combined immunodeficiency</kwd><kwd>Omenn syndrome</kwd><kwd>RAG1/RAG2 mutations</kwd><kwd>diagnostic</kwd><kwd>stem cell transplantation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>первичный иммунодефицит</kwd><kwd>тяжелый комбинированный иммунодефицит</kwd><kwd>синдром Оменн</kwd><kwd>мутации генов RAG1/RAG2</kwd><kwd>диагностика</kwd><kwd>трансплантация костного мозга</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Fausto Cossu. Genetics of SCID. Ital. J. 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