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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">transmed</journal-id><journal-title-group><journal-title xml:lang="ru">Трансляционная медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Translational Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2311-4495</issn><issn pub-type="epub">2410-5155</issn><publisher><publisher-name>Almazov National Medical Research Centre, Saint Petersburg, Russia</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18705/2311-4495-2015-0-1-62-66</article-id><article-id custom-type="elpub" pub-id-type="custom">transmed-61</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group></article-categories><title-group><article-title>Случай тканевого мозаицизма по кольцевой/трисомной форме хромосомы 18 у пациента с множественными врожденными пороками развития</article-title><trans-title-group xml:lang="en"><trans-title>SOMATIC MOSAICISM IN PATIENTS WITH R (18) AND CONGENITAL HEART DISORDER</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>Никулина</surname><given-names>Татьяна Серафимовна</given-names></name><name name-style="western" xml:lang="en"><surname>Nikulina</surname><given-names>T. S.</given-names></name></name-alternatives><email xlink:type="simple">tatyanikulina@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>Злотина</surname><given-names>Анна Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Zlotina</surname><given-names>A. M.</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>Яни</surname><given-names>Наталья Аркадьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Yani</surname><given-names>N. A.</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>Моисеева</surname><given-names>Ольга Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Moiseeva</surname><given-names>O. M.</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>Грехов</surname><given-names>Евгений Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Grekhov</surname><given-names>E. V.</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>Никитина</surname><given-names>Ирина Леоровна</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitina</surname><given-names>I. L.</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>Костарева</surname><given-names>Анна Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Kostareva</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБУ «Северо-Западный федеральный медицинский исследовательский центр» Минздрава России</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>23</day><month>12</month><year>2016</year></pub-date><volume>0</volume><issue>1</issue><fpage>62</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никулина Т.С., Злотина А.М., Яни Н.А., Моисеева О.М., Грехов Е.В., Никитина И.Л., Костарева А.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Никулина Т.С., Злотина А.М., Яни Н.А., Моисеева О.М., Грехов Е.В., Никитина И.Л., Костарева А.А.</copyright-holder><copyright-holder xml:lang="en">Nikulina T.S., Zlotina A.M., Yani N.A., Moiseeva O.M., Grekhov E.V., Nikitina I.L., Kostareva A.A.</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://transmed.almazovcentre.ru/jour/article/view/61">https://transmed.almazovcentre.ru/jour/article/view/61</self-uri><abstract><p>Синдром r (18) - кольцевая 18 хромосома цитогенетически характеризуется наличием полных или мозаичных форм кольцевой хромосомы 18 с отсутствием в дистальных отделах длинного и короткого плеча хромосомы. Клиническая картина включает в себя несколько пороков развития в сочетании с разной степенью умственной отсталости. Однако, как правило, в случаях синдрома r (18) врожденные пороки сердечно-сосудистой системы не встречаются. В данной статье описывается случай наблюдения 18-летнего пациента с умственной отсталостью, множественными дефектами развития лица и наличием субаортального стеноза. При стандартом кариотипировании по ФГА - стимулированным лимфоцитам крови было выявлено: кольцевая хромосома 18, кариотип пациента: 46, XY, r (18). Так как врожденные пороки сердца не являются характерным для r (18), мы предположили мозаичные хромосомные аберрации и выполнили дополнительный FISH анализ мазков крови с использованием Aneu Vision (CEP 18) и To Tell Mix 11, Mix 12 проб. Исследование показало наличие делеции концевых районов хромосомы, формирующей кольцо. Таким образом был диагностирован случай тканевой мозаичности у пациента с r (18) в сочетании с трисомии 18 хромосомы в 15 % клеток крови, что приводит к комбинированному фенотипу умственной отсталости и врожденных пороков сердца.</p></abstract><trans-abstract xml:lang="en"><p>Syndrome r (18) - ring 18 chromosome cytogenetically is characterized by a complete or mosaic forms a ring chromosome 18 with the absence of the distal portions of the long and short arm of the chromosome. The clinical picture includes multiple dysmorphia, combined with varying degrees of mental retardation. Committal involvement of cardiovascular system and congenital heart defects typically are not described in cases of r (18). We observed 18-year-old patient with mental retardation, multiple facial dysmorphia, and subaortic stenosis. During standard karyotyping by PHA-stimulated lymphocytes patient revealed 46, XY, r (18) karyotype. Since congenital heart defects are not common feature of r (18) we hypothesized mosaic chromosomal aberrations and performed additional FISH analysis on blood smears using Aneu Vision (CEP 18) and To Tell Mix 11, Mix 12 probes. The study revealed three signals of chromosome 18 centromere and subtelomeric deletion of chromosome 18 in 15 % of the cells, contained two signals from the centromere of chromosome 18 with subtelomeric deletion to form a ring in 80 % of cells, 5 % of the uncultured cells in blood smear contained two signals from the centromere of chromosome 18 without subtelomeric deletion. In conclusion we describe clinical case of somatic mosaicism in patients with r (18) in combination with 18 trisomy in 15 % of blood cells, leading to combined phenotype of mental retardation and congenital heart defect.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>множественные врожденные пороки</kwd><kwd>хромосомный мозаицизм</kwd><kwd>трисомия 18 хромосомы</kwd><kwd>multiple congenital heart defects</kwd><kwd>somatic mosaicism</kwd><kwd>18 trisomy</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">Garcia-Castillo H, Vasquez-Velasquez AI, Rivera H, Barros-Nunez P. Clinical and genetic heterogeneity in patients with mosaic variegated aneuploidy: delineation of clinical subtypes. Am J Med Genet. 2008;146A(13):1687- 1695. doi: 10.1002/ajmg. a.32315.</mixed-citation><mixed-citation xml:lang="en">Garcia-Castillo H, Vasquez-Velasquez AI, Rivera H, Barros-Nunez P. 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