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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">384</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2020-19-3-62-72</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Haematological complications of X-linked lymphoproliferative syndrome type 1 and 2</article-title><trans-title-group xml:lang="ru"><trans-title>Гематологические проявления Х-сцепленных лимфопролиферативных синдромов 1-го и 2-го типов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5132-1267</contrib-id><name-alternatives><name xml:lang="en"><surname>Roppelt</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Роппельт</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor in the Department of Clinical Immunology, </p><p>117997, Moscow, Samory Mashela st., 1</p></bio><bio xml:lang="ru"><p>врач отделения клинической иммунологии,</p><p>117997, Москва, ул. Саморы Машела, 1 </p></bio><email>roppelt_anna@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2354-2588</contrib-id><name-alternatives><name xml:lang="en"><surname>Laberko</surname><given-names>A. L.</given-names></name><name xml:lang="ru"><surname>Лаберко</surname><given-names>А. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1267-9957</contrib-id><name-alternatives><name xml:lang="en"><surname>Burlakov</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Бурлаков</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3564-6496</contrib-id><name-alternatives><name xml:lang="en"><surname>Kan</surname><given-names>N. Yu.</given-names></name><name xml:lang="ru"><surname>Кан</surname><given-names>Н. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9857-4456</contrib-id><name-alternatives><name xml:lang="en"><surname>Rodina</surname><given-names>Yu. A.</given-names></name><name xml:lang="ru"><surname>Родина</surname><given-names>Ю. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9078-8206</contrib-id><name-alternatives><name xml:lang="en"><surname>Yukhacheva</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Юхачева</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2427-1417</contrib-id><name-alternatives><name xml:lang="en"><surname>Viktorova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Викторова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1907-4168</contrib-id><name-alternatives><name xml:lang="en"><surname>Selezneva</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Селезнева</surname><given-names>О. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Rostov-on-Don</p></bio><bio xml:lang="ru"><p>Ростов-на-Дону</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6148-7209</contrib-id><name-alternatives><name xml:lang="en"><surname>Pershin</surname><given-names>D. E.</given-names></name><name xml:lang="ru"><surname>Першин</surname><given-names>Д. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7247-4844</contrib-id><name-alternatives><name xml:lang="en"><surname>Vedmedskaya</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Ведмедская</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7634-2053</contrib-id><name-alternatives><name xml:lang="en"><surname>Raykina</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Райкина</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0501-8686</contrib-id><name-alternatives><name xml:lang="en"><surname>Varlamova</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Варламова</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2467-2840</contrib-id><name-alternatives><name xml:lang="en"><surname>Кieva</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Киева</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1014-5196</contrib-id><name-alternatives><name xml:lang="en"><surname>Mann</surname><given-names>S. G.</given-names></name><name xml:lang="ru"><surname>Манн</surname><given-names>С. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0105-1833</contrib-id><name-alternatives><name xml:lang="en"><surname>Polyakov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Поляков</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9047-1938</contrib-id><name-alternatives><name xml:lang="en"><surname>Sermyagina</surname><given-names>I. G.</given-names></name><name xml:lang="ru"><surname>Сермягина</surname><given-names>И. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1258-8281</contrib-id><name-alternatives><name xml:lang="en"><surname>Petrova</surname><given-names>U. N.</given-names></name><name xml:lang="ru"><surname>Петрова</surname><given-names>У. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0813-5626</contrib-id><name-alternatives><name xml:lang="en"><surname>Kalinina</surname><given-names>I. I.</given-names></name><name xml:lang="ru"><surname>Калинина</surname><given-names>И. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0520-5630</contrib-id><name-alternatives><name xml:lang="en"><surname>Shelikhova</surname><given-names>L. N.</given-names></name><name xml:lang="ru"><surname>Шелихова</surname><given-names>Л. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2689-0569</contrib-id><name-alternatives><name xml:lang="en"><surname>Balashov</surname><given-names>D. N.</given-names></name><name xml:lang="ru"><surname>Балашов</surname><given-names>Д. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4834-4075</contrib-id><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>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0016-6698</contrib-id><name-alternatives><name xml:lang="en"><surname>Maschan</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Масчан</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3113-4939</contrib-id><name-alternatives><name xml:lang="en"><surname>Shcherbina</surname><given-names>A. Yu.</given-names></name><name xml:lang="ru"><surname>Щербина</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Healthcare of Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Regional Clinical Children's Hospital</institution></aff><aff><institution xml:lang="ru">ГБУ РО «Областная детская клиническая больница»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Research Centre for Medical Genetics</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Медико-генетический научный центр им. акад. Н.П. Бочкова»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Research Centre for Medical Genetics</institution></aff><aff><institution xml:lang="ru"></institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Russian Children’s Clinical Hospital of the N.I. Pirogov Russian National Research Medical University, Ministry of Healthcare of Russian Federation</institution></aff><aff><institution xml:lang="ru">Обособленное структурное подразделение Российская детская клиническая больница ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-09-08" publication-format="electronic"><day>08</day><month>09</month><year>2020</year></pub-date><volume>19</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>62</fpage><lpage>72</lpage><history><date date-type="received" iso-8601-date="2020-10-05"><day>05</day><month>10</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-10-05"><day>05</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hemoncim.com/jour/article/view/384">https://hemoncim.com/jour/article/view/384</self-uri><abstract xml:lang="en"><p>X-linked lymphoproliferative syndrome type 1 (XLP1) and 2 (XLP2) are primary immunodeficiencies (PID), combined in one group because of shared abnormal response to Epstein–Barr virus (EBV) and caused by mutations in SH2D1A and XIAP genes, respectively. Hemophagocytic lymphohistiocytosis (HLH) is a frequent life-threatening complication of both diseases. We analyzed haematological complications, such as HLH and cytopenia, in 12 patients with XLP1 and 11 – with XLP2. The research was approved by Independent ethic committee and the academic board of Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology (Moscow, Russia). Analyzed were patients who were treated or consulted in Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology (Moscow, Russia) since 2012 and in Russian Clinical Children's Hospital (Moscow, Russia) since 2003 to February 2020. 19 XLP1 patients from 13 families and 16 XLP2 patients from 14 families were included. For patients with haematological complications XLP diagnosis was based on the ESID criteria and genetically confirmed in 19 cases by detecting mutations in SH2D1A or XIAP gene (8 XLP1 and 11 XLP2 patients). Intracellular expression of corresponding SAP and XIAP proteins was performed by intracellular staining of SAP/XIAP in lymphocytes. Genetic analysis to detect mutations in SH2D1A and XIAP genes was performed by the Sanger sequencing method on Genetic Analyzer 3130х1 (Applied Biosystems, USA) according to the manufacturer protocol, or by the Multiplex Ligation-Dependent Probe Amplification method using SALSA MLPA Probemix P205 SH2D1A-XIAP-ITK (MRC-Holland, the Netherlands), or by the next-generation sequencing (NGS) method on NextSeq (Illumina) platform using a paired end tag (PET) sequencing method. Varying degree of cytopenia was present in 4 patients with XLP1 and 2 – with XLP2. None of XLP1 patients with cytopenia, and all XLP2 patients with cytopenia subsequently developed full HLH. Overall 8 XLP1 and 11 XLP2 patients developed HLH. HLH-associated mortality before hematopoietic stem cell transplantation (HSCT) was 75% in a group of XLP1 patients and 0% – in XLP2. HSCT was performed in 3 XLP1 patients, which was not sufficient for survival analysis and in 9 XLP2 patients, in whom overall survival was 74%. HLH is the most often haematological complication of XLP1 and XLP2. Fulminant HLH in XLP1 requires early and aggressive treatment. In XLP2 patients HLH remission can be reached on mono- or bicomponent immunosuppressive therapy which allows to reduce therapy-associated toxicity. In XLP2 patients cytopenia can precede HLH, while in XLP1 patients cytopenia is probably caused by other mechanisms. HSCT is a curative treatment for XLP1 and 2 which should be considered as soon as the diagnosis is made.</p></abstract><trans-abstract xml:lang="ru"><p>Х-сцепленный лимфопролиферативный синдром 1-го (ХЛП1) и 2-го (ХЛП2) типов – это первичные иммунодефициты, объединенные в одну группу в связи с аномальным ответом на вирус Эпштейна– Барр. Частым жизнеугрожающим осложнением при обоих заболеваниях является развитие гемофагоцитарного лимфогистиоцитоза (ГЛГ). В основе ХЛП1 и ХЛП2 лежат мутации в генах SH2D1A и XIAP соответственно. Нами приведена характеристика таких гематологических осложнений, как ГЛГ и цитопения, у 12 пациентов с ХЛП1 и 11 больных с ХЛП2. Исследование одобрено независимым этическим комитетом и утверждено решением ученого совета ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России. Проведен анализ пациентов, которые наблюдались или были консультированы в НМИЦ ДГОИ им. Дмитрия Рогачева с 2012 г. и в РДКБ ФГАОУ ВО «РНИМУ им. Н.И. Пирогова» Минздрава России с 2003 г. до февраля 2020 г. Всего в исследование вошли 19 пациентов с ХЛП1 из 13 семей и 16 пациентов с ХЛП2 из 14 семей. Пациентам с гематологическими осложнениями диагноз ХЛП был поставлен на основании критериев ESID и в 19 случаях подтвержден выявлением мутации в гене SH2D1A или XIAP (8 пациентов с ХЛП1 и 11 пациентов с ХЛП2). Исследование внутриклеточной экспрессии соответствующих белков SAP и XIAP проводилось путем внутриклеточной окраски SAP/XIAP в лимфоцитах. Молекулярногенетическое исследование для выявления мутаций в генах SH2D1A и XIAP проводилось методом прямого секвенирования по Сэнгеру на приборе Genetic Analyzer 3130х1 (Applied Biosystems, США) согласно протоколу производителя, методом мультиплексной амплификации лигазносвязанных проб с использованием набора SALSA MLPA Probemix P205 SH2D1A-XIAP-ITK (MRCHolland, Нидерланды) или методом секвенирования нового поколения (NGS) на платформе NextSeq (Illumina) методом парно-концевого чтения. Среди пациентов с гематологическими осложнениями цитопения различной степени выраженности наблюдалась у 4 человек с ХЛП1 и у 2 – с ХЛП2. Ни у одного из пациентов с цитопенией при ХЛП1 не развился ГЛГ, тогда как у всех пациентов с ХЛП2 цитопения предшествовала полноценной форме ГЛГ. ГЛГ развился у 8 пациентов с ХЛП1 и 11 больных с ХЛП2. ГЛГ-ассоциированная смертность до трансплантации гемопоэтических стволовых клеток (ТГСК) составила 75% в группе пациентов с ХЛП1 и 0% в группе больных с ХЛП2. Ремиссия ГЛГ достигнута в 12,5% случаев при ХЛП1 и в 82% – при ХЛП2. В представленной группе пациентов с ХЛП и гематологическими осложнениями ТГСК выполнена только 3 пациентам с ХЛП1, что не позволяет провести статистический анализ, и 9 пациентам с ХЛП2 с общей выживаемостью 74%. ГЛГ – самое частое гематологическое осложнение ХЛП1 и ХЛП2. Фульминантное течение ГЛГ при ХЛП1 оправдывает проведение агрессивной терапии в кратчайшие сроки. Для пациентов с ХЛП2 продемонстрирована ремиссия ГЛГ на фоне моно- или двухкомпонентной иммуносупрессивной терапии, что является важным подспорьем в редукции токсичной терапии и при использовании таргетной терапии. Цитопения при ХЛП2 может быть предшественником ГЛГ, тогда как в основе цитопении при ХЛП1 лежат, вероятно, другие иммунные механизмы. Для пациентов с ХЛП ТГСК является куративной опцией, к которой следует прибегать как можно раньше после постановки диагноза.</p></trans-abstract><kwd-group xml:lang="en"><kwd>primary immunodeficiency</kwd><kwd>X-linked lymphoproliferative syndrome</kwd><kwd>SH2D1A gene</kwd><kwd>XIAP gene</kwd><kwd>hemophagocytic lymphohistiocytosis</kwd><kwd>cytopenia</kwd><kwd>aplastic anemia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>первичный иммунодефицит</kwd><kwd>Х-сцепленный лимфопролиферативный синдром</kwd><kwd>ген SH2D1A</kwd><kwd>ген XIAP</kwd><kwd>гемофагоцитарный лимфогистиоцитоз</kwd><kwd>цитопения</kwd><kwd>аплазия кроветворения</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Роппельт А.А., Юхачева Д.В., Мякова Н.В., Сминова Н.В., Скворцова Ю.В., Варламова Т.В. и др. Х-сцепленный лимфопролиферативный синдром 1 и 2 типов. 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