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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">10.25557/2073-7998.2018.10.46-50</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-594</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 CASE</subject></subj-group></article-categories><title-group><article-title>Мозаичные несбалансированные транслокации de novo: диагностика двух клинических случаев и обзор литературы</article-title><trans-title-group xml:lang="en"><trans-title>Mosaic unbalanced translocations de novo: diagnosis of two clinical cases and review of the literature</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>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><email xlink:type="simple">maramin@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>Маркова</surname><given-names>Ж. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Markova</surname><given-names>Z. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Кузина</surname><given-names>Н. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzina</surname><given-names>N. Y.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Петухова</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Petuhova</surname><given-names>M. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Матющенко</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Matushenko</surname><given-names>G. N.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>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><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр», Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>01</day><month>10</month><year>2018</year></pub-date><volume>17</volume><issue>10</issue><fpage>46</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Миньженкова М.Е., Маркова Ж.Г., Кузина Н.Ю., Петухова М.С., Матющенко Г.Н., Шилова Н.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Миньженкова М.Е., Маркова Ж.Г., Кузина Н.Ю., Петухова М.С., Матющенко Г.Н., Шилова Н.В.</copyright-holder><copyright-holder xml:lang="en">Minzhenkova M.E., Markova Z.G., Kuzina N.Y., Petuhova M.S., Matushenko G.N., 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/594">https://www.medgen-journal.ru/jour/article/view/594</self-uri><abstract><p>Представлено два случая молекулярно-цитогенетической диагностики мозаичного кариотипа с несбалансированной аутосомной транслокацией и нормальной клеточной линией. Случай 1. Пациент обследован по поводу задержки моторного и психоречевого развития. При стандартном цитогенетическом исследовании определен нормальный кариотип. Хромосомный микроматричный анализ выявил делецию участка короткого плеча хромосомы 8 и дупликацию длинного плеча хромосомы 10. Для верификации полученных данных и установления происхождения хромосомного дисбаланса проведено FISH-исследование пробанда и его родителей, при котором у пациента был установлен мозаицизм с двумя клонами клеток: 77% клеток с несбалансированной транслокацией и 23% клеток с нормальным мужским кариотипом. Случай 2. Пациент обследован при рождении в связи со множественными признаками дизэмбриогенеза и подозрением на синдром «кошачьего крика». При стандартном цитогенетическом исследовании обнаружена дериватная хромосома 5. Комплексное FISH-исследование пробанда позволило определить мозаицизм с двумя клонами клеток: 88% клеток с несбалансированной транслокацией и 12% клеток с нормальным кариотипом. В работе приводится обзор случаев МНТ, обсуждаются вопросы диагностики мозаичных случаев несбалансированных транслокаций и предположительные механизмы их возникновения.</p></abstract><trans-abstract xml:lang="en"><p>We report on a molecular cytogenetic diagnosis of mosaicism with an unbalanced autosomal translocation and a normal cell line. Case 1. The patient was referred for evaluation because of developmental delay. The karyotype of this patient was normal. Chromosomal micro-array analysis detected a terminal deletion of the short arm of chromosome 8 and a terminal duplication of the long arm of chromosome 10. Additional FISH analysis showed an unbalanced translocation in 77% and a normal karyotype in 23% of cells. Case 2. The patient was referred for Сri-du-chat syndrome. Chromosome analysis revealed a derivative chromosome 5. FISH analysis showed a mosaic karyotype with an unbalanced translocation in 88% and a normal karyotype in 12% of cells.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>несбалансированная транслокация</kwd><kwd>мозаицизм</kwd><kwd>дериватные хромосомы</kwd><kwd>FISH-анализ</kwd><kwd>unbalanced translocation</kwd><kwd>mosaicism</kwd><kwd>derivative chromosome</kwd><kwd>FISH-analysis</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">Ballif B.C., Rorem E.A., Sundin K., et al. Detection of low-level mosaicism by array CGH in routine diagnostic specimen. Am. J.Med. Genet. 2006;140(A):2757-2767.</mixed-citation><mixed-citation xml:lang="en">Ballif B.C., Rorem E.A., Sundin K., et al. Detection of low-level mosaicism by array CGH in routine diagnostic specimen. Am. J.Med. 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