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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">neurojour</journal-id><journal-title-group><journal-title xml:lang="ru">Неврологический журнал имени Л.О. Бадаляна</journal-title><trans-title-group xml:lang="en"><trans-title>L.O. Badalyan Neurological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2686-8997</issn><issn pub-type="epub">2712-794X</issn><publisher><publisher-name>ФГАУ «НМИЦ здоровья детей» Минздрава России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46563/2686-8997-2026-7-1-209</article-id><article-id custom-type="elpub" pub-id-type="custom">neurojour-222</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 СЛУЧАИ</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>Дилатационная кардиомиопатия в структуре семейной формы TOP3A-обусловленного Блум-подобного синдрома</article-title><trans-title-group xml:lang="en"><trans-title>Dilated cardiomyopathy in the structure of a familial form of TOP3A-related Bloom-like syndrome</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-5545-8276</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурыкина</surname><given-names>Ю. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Burykina</surname><given-names>Yu. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бурыкина Юлия Сергеевна, аспирант </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Yulia S. Burykina, Postgraduate Student</p><p>Moscow, 119991</p></bio><email xlink:type="simple">julia1907925@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/0000-0003-0890-7849</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гандаева</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gandaeva</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гандаева Лейла Ахатовна, канд. мед. наук, ведущий науч. сотр., врач-детский кардиолог </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Leila A. Gandaeva, MD, Cand. Sci. (Medicine), Senior Researcher, Pediatric Cardiologist</p><p>Moscow, 119991</p></bio><email xlink:type="simple">dr.gandaeva@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5978-854X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давыдова</surname><given-names>Ю. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydova</surname><given-names>Iu. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Давыдова Юлия Игоревна, мл. науч. сотр., врач-генетик </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Iuliia I. Davydova, Junior Researcher, Medical Geneticist</p><p>Moscow, 119991</p></bio><email xlink:type="simple">davydova.iui@nczd.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/0000-0002-6084-4892</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глоба</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Globa</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глоба Оксана Валерьевна, канд. мед. наук, ст. науч. сотр., врач-невролог </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Oksana V. Globa, MD, Cand. Sci. (Medicine), Senior Researcher, Neurologist</p><p>Moscow, 119991</p></bio><email xlink:type="simple">globa@nczd.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/0009-0004-7095-7972</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савельев</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Savelev</surname><given-names>O. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савельев Олег Павлович, врач — анестезиолог-реаниматолог </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Oleg P. Savelev, Anesthesiologist-resuscitator</p><p>Moscow, 119991</p></bio><email xlink:type="simple">savelev.op@nczd.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/0009-0001-6367-6185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сильнова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Silnova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сильнова Ирина Вячеславовна, канд. мед. наук, ст. науч. сотр., врач ультразвуковой диагностики </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Irina V. Silnova, MD, Cand. Sci. (Medicine), Senior Researcher, Ultrasound Specialis</p><p>Moscow, 119991</p></bio><email xlink:type="simple">silnova.iv@nczd.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/0000-0001-6648-2063</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пушков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pushkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пушков Александр Алексеевич, канд. биол. наук, ведущий науч. сотр. лаборатории медицинской геномики </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Alexander A. Pushkov, Cand. Sci. (Biology), Leading Researcher at the Laboratory of Medical Genomics</p><p>Moscow, 119991</p></bio><email xlink:type="simple">pushkovAA@nczd.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/0000-0002-0144-2885</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Басаргина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Basargina</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Басаргина Елена Николаевна, д-р мед. наук, профессор, гл. науч. сотр., врач — детский кардиолог </p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Elena N. Basargina, MD, Dr. Sci. (Medicine), Professor, Chief Researcher, Pediatric Cardiologist</p><p>Moscow, 119991</p></bio><email xlink:type="simple">basargina@nczd.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4885-4171</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савостьянов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Savostyanov</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савостьянов Кирилл Викторович, д-р биол. наук, начальник Медико-генетического центра, заведующий лабораторией медицинской геномики</p><p>119991, Москва</p></bio><bio xml:lang="en"><p>Kirill V. Savostyanov, Dr. Sci. (Biology), Head of the Medical Genetics Center, Head of the Laboratory of Medical Genomics, Professor at the Department of Pediatrics and Public Health</p><p>Moscow, 119991</p></bio><email xlink:type="simple">7443333@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center for Children’s Health</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Минздрава России; Клинический институт детского здоровья имени Н.Ф. Филатова ФГАОУ ВО «Первый Московский государственный медицинский университет имени И.М. Сеченова» Минздрава России (Сеченовский Университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical Research Center for Children’s Health; N.F. Filatov Clinical Institute of Children’s Health, I.M. Sechenov First Moscow State Medical University of the Russian Ministry of Health (Sechenov 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>29</day><month>04</month><year>2026</year></pub-date><volume>7</volume><issue>1</issue><elocation-id>60–68</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; ФГАУ «НМИЦ здоровья детей» Минздрава России, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">ФГАУ «НМИЦ здоровья детей» Минздрава России</copyright-holder><copyright-holder xml:lang="en">ФГАУ «НМИЦ здоровья детей» Минздрава России</copyright-holder><license xlink:href="https://www.neuro-journal.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.neuro-journal.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.neuro-journal.ru/jour/article/view/222">https://www.neuro-journal.ru/jour/article/view/222</self-uri><abstract><p>Блум-подобный синдром — редкое аутосомно-рецессивное заболевание, обусловленное нуклеотидными вариантами гена TOP3A; характеризуется схожими с синдромом Блума клиническими проявлениями, включающими характерный фенотип лица, задержку физического развития, но отличается более частым развитием дилатационного фенотипа кардиомиопатии. Данные синдромы относятся к группе наследственных заболеваний, сопровождающихся нарушением репарации ДНК. Учитывая наличие единичных клинических случаев с преимущественной задержкой физического развития, подробное описание течения дилатационной кардиомиопатии является значимым для понимания заболевания и оптимизации медикаментозного лечения.</p><p>Приводим описание клинического течения и особенностей ведения ребёнка с гомозиготной мутацией c.2264_2265delinsT в гене TOP3A, обследованного на базе кардиологического отделения ФГАУ «НМИЦ здоровья детей» Минздрава России. Проведён анализ данных анамнеза, в том числе семейного, результатов клинических, лабораторных, инструментальных методов диагностики и молекулярногенетического исследования, выполненного с использованием технологии прямого секвенирования по Сэнгеру.</p><p>Представленный клинический случай демонстрирует важность своевременной диагностики заболевания, высокую частоту кардиальных проявлений, особенно неуклонно прогрессирующее, фатальное течение дилатационной кардиомиопатии.</p><p>В детском возрасте дилатационный фенотип кардиомиопатии может выступать доминирующим и жизнеугрожающим проявлением TOP3A-ассоциированного Блум-подобного синдрома. Учитывая риск внезапного и агрессивного течения дилатационной кардиомиопатии, выявление мутаций в гене TOP3A у детей с задержкой роста и характерным «птичьим» фенотипом имеет важное прогностическое значение. Улучшение прогноза требует ранней диагностики, включая пренатальную в семьях высокого риска, разработки патогенетической терапии и междисциплинарного подхода к ведению пациентов.</p></abstract><trans-abstract xml:lang="en"><p>Bloom-like syndrome is a rare autosomal recessive disorder caused by nucleotide variants in the TOP3A gene. It is characterized by clinical manifestations similar to Bloom syndrome, including a characteristic facial phenotype and physical development delay, but diff ers in the more frequent development of a dilated cardiomyopathy. These syndromes belong to the group of hereditary diseases associated by impaired DNA repair. Given the existence of isolated clinical cases with a predominant description of characteristic physical development delay, a detailed description of the course of dilated cardiomyopathy is signifi cant for understanding the disease and optimizing medical treatment.</p><p>Here is a description of the clinical course and features of the child’s management with a homozygous mutation c.2264_2265delinsT in the TOP3A gene, examined at the cardiology department of the National Medical Research Center of Children’s Health of the Ministry Health of the Russian Federation. An analysis of anamnesis data, including family history, results of clinical, laboratory, instrumental diagnostic methods, and molecular genetic testing performed using Sanger direct sequencing technology, was conducted.</p><p>A literature review of patients with mutations in the TOP3A gene was conducted. The presented clinical case demonstrates the importance of timely diagnosis of the disease, the high frequency of cardiac manifestations, particularly the steadily progressive and fatal course of dilated cardiomyopathy.</p><p>In childhood, dilated cardiomyopathy can be a dominant and life-threatening manifestation of TOP3A-associated Bloom-like syndrome. Given the risk of a sudden and aggressive course of dilated cardiomyopathy, identifying mutations in the TOP3A gene in children with physical development delay and a characteristic «bird-like» facies has important prognostic value. Improving the prognosis requires early diagnosis, including prenatal diagnosis in high-risk families, the development of pathogenetic therapy, and a multidisciplinary approach to patient management.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дилатационная кардиомиопатия</kwd><kwd>Блум-подобный синдром</kwd><kwd>дети</kwd><kwd>ген TOP3A</kwd></kwd-group><kwd-group xml:lang="en"><kwd>dilated cardiomyopathy</kwd><kwd>Bloom-like syndrome</kwd><kwd>children</kwd><kwd>TOP3A gene</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарят семью пациента за поддержку нашего исследования. Авторы выражают благодарность директору ФГАУ «НМИЦ здоровья детей» Минздрава России д-ру мед. наук, профессору А.П. Фисенко за поддержку и техническую помощь в осуществлении данной работы. Авторы благодарят весь коллектив ФГАУ «НМИЦ здоровья детей» Минздрава России за возможность междисциплинарного подхода к ведению пациентов.</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to the patient family for supporting our research. The authors would like to express their gratitude to MD, Professor A.P. Fisenko, Director of the National Medical Research Center for Children’s Health of the Ministry of Health of the Russian Federation for his support and technical assistance in implementation of this work. The authors would like to thank the entire staff  of the National Medical Research Center for Children’s Health of the Ministry of Health of the Russian Federation for the opportunity of interdisciplinary approach to patients’ care.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">German J, Sanz MM, Ciocci S, et al. Syndrome-causing mutations of the BLM gene in persons in the Bloom’s Syndrome Registry. Hum Mutat. 2007;28(8):743‒753. doi: 10.1002/humu.20501</mixed-citation><mixed-citation xml:lang="en">German J, Sanz MM, Ciocci S, et al. Syndrome-causing mutations of the BLM gene in persons in the Bloom’s Syndrome Registry. Hum Mutat. 2007;28(8):743‒753. doi: 10.1002/humu.20501</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Martin CA, Sarlós K, Logan CV, et al. 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