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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2023.05.54-62</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2291</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Цитогеномный подход в диагностике инвертированных дупликаций со смежными терминальными делециями</article-title><trans-title-group xml:lang="en"><trans-title>Cytogenomic approach in the diagnostics of inverted duplication/deletion rearrangements</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>Юрченко</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurchenko</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><email xlink:type="simple">dashalbv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миньженкова</surname><given-names>М. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Minzhenkova</surname><given-names>M. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Твеленева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tveleneva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119333, г. Москва ул. Губкина, д. 3, корп. 1</p></bio><bio xml:lang="en"><p>3-1, Gubkina st., Moscow, 119333</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воронцова</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorontsova</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, ул. Москворечье, д. 1</p><p>117997, г. Москва, ул. Островитянова, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p><p>1, Ostrovitianov st., Moscow, 117997</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харченко</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharchenko</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>191015, г. Санкт-Петербург, ул. Кирочная, д.41</p></bio><bio xml:lang="en"><p>41, Kirochnaya st., Saint-Petersburg, 191015</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шилова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522, г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ПАО «Центр Генетики и Репродуктивной Медицины «ГЕНЕТИКО»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Center of genetics and reproductive medicine GENETICO</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»; ФГАОУ ВО Российский национальный исследовательский медицинский университет им. Н.И. Пирогова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics; Russian National Research Medical University named after N. I. Pirogov, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГБОУ ВО Северо-западный государственный медицинский университет имени И.И. Мечникова Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North-Western State Medical University named after I.I. Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>27</day><month>07</month><year>2023</year></pub-date><volume>22</volume><issue>5</issue><fpage>54</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юрченко Д.А., Миньженкова М.Е., Твеленева А.А., Воронцова Е.О., Харченко Т.В., Шилова Н.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Юрченко Д.А., Миньженкова М.Е., Твеленева А.А., Воронцова Е.О., Харченко Т.В., Шилова Н.В.</copyright-holder><copyright-holder xml:lang="en">Yurchenko D.A., Minzhenkova M.E., Tveleneva A.A., Vorontsova E.O., Kharchenko T.V., Shilova N.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://www.medgen-journal.ru/jour/article/view/2291">https://www.medgen-journal.ru/jour/article/view/2291</self-uri><abstract><p>В статье обсуждается роль молекулярно-цитогенетических методов в контексте цитогеномной диагностики хромосомных аномалий. На сегодняшний день основным методом детекции вариаций числа копий участков ДНК (Сopy Number Variation – CNV) вклинической практике является хромосомный микроматричный анализ (ХМА). Однако, метод имеет существенное ограничение из-за отсутствия информации о числе и структуре хромосом, вовлеченных в перестройку, а также невозможности установить механизм, приводящий к определенному хромосомному дисбалансу. Поэтому возникает необходимость  использования дополнительного метода (или методов) для верификации результатов ХМА, одним из которых является флуоресцентная гибридизация in situ (FISH). Использование комплексного (цитогеномного) подхода в диагностике хромосомных перестроек позволяет не только детектировать CNV, нои определить структуру и предположить механизм формирования хромосомного дисбаланса. В своей работе мы показали возможность и важность использования дополнительных лабораторных генетических методов  на примере диагностики и изучения инвертированных дупликаций со смежными терминальными делециями (inv dup del). Разработанные несерийные (homemade) ДНК-зонды позволили детализировать структуру и подтвердить гипотезу об инвертированной ориентации дуплицированного сегмента на примере двух хромосомных перестроек — inv dup del(7q) и inv dup del(8p).  Продемонстрированный цитогеномный подход, позволяющий интерпертировать сложные хромосомные перестройки, такие как inv dup del, подчеркивает важность и необходимость персонализации каждого случая диагностики хромосомных аномалий.</p></abstract><trans-abstract xml:lang="en"><p>The article describes the role of molecular cytogenetic methods in the context of cytogenomic approach of chromosomal abnormalities. Only the use of a complex (cytogenomic) approach in the diagnosis of chromosomal rearrangements makes it possible to detect CNV, as well as to determine the structure and mechanism of the formation of chromosomal imbalance. In our work, we have shown the possibility and importance of using additional research methods on the example of diagnosing and studying inverted duplications with adjacent terminal deletions (inv dup del). The developed homemade DNA-probes made it possible to detail the structure and confirm the hypothesis of the inverted orientation of the duplicated segment using two chromosome rearrangements, inv dup del(7q) and inv dup del(8p), as an example. The demonstrated cytogenomic approach, which allows the interpretation of complex chromosomal rearrangements such as inv dup del, highlights the importance and necessity of personalizing each case of chromosomal abnormality diagnosis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цитогеномная диагностика</kwd><kwd>несерийные ДНК-зонды</kwd><kwd>коммерческие ДНК-зонды</kwd><kwd>FISH</kwd><kwd>хромосомный дисбаланс</kwd><kwd>inv dup del</kwd><kwd>CNV</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cytogenomic approach</kwd><kwd>homemade DNA-probe</kwd><kwd>commercial DNA-probe</kwd><kwd>FISH</kwd><kwd>chromosomal imbalance</kwd><kwd>inv dup del</kwd><kwd>CNV</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено в рамках темы государственного задания № 122032300370-1 «Изучение структурно-функциональных особенностей и механизмов формирования хромосомных аномалий и геномного дисбаланса».</funding-statement><funding-statement xml:lang="en">The work was supported by the state task № 122032300370-1 “Study of structure-functional features and mechanisms of formation of the chromosomal abnormalities and genomic imbalance”.</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">Liehr T. 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