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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">10.25557/2073-7998.2019.02.35-41</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-644</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>Возраст-зависимый тканеспецифичный гоносомный мозаицизм у фертильных женщин репродуктивного возраста</article-title><trans-title-group xml:lang="en"><trans-title>Age-dependent gonosomal mosaicism in fertile women of reproductive age</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>Тарлычева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarlycheva</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">atarlycheva@yandex.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>Zh. 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>Волкова</surname><given-names>Т. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>T. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></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-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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, Russian Federation, 115522, Moskvorechie st. 1</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО Клиника «Семья»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>«Semja» Clinic, 143969, Reutov, Jubeleiny av, 33</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2019</year></pub-date><volume>18</volume><issue>2</issue><fpage>35</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тарлычева А.А., Маркова Ж.Г., Волкова Т.Б., Шилова Н.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Тарлычева А.А., Маркова Ж.Г., Волкова Т.Б., Шилова Н.В.</copyright-holder><copyright-holder xml:lang="en">Tarlycheva A.A., Markova Z.G., Volkova T.B., 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/644">https://www.medgen-journal.ru/jour/article/view/644</self-uri><abstract><p>Для установления уровня тканеспецифичного гоносомного мозаицизма у здоровых женщин репродуктивного возраста проведено молекулярно-цитогенетическое исследование культивированных лимфоцитов периферической венозной крови (КЛ), некультивированных лимфоцитов периферической венозной крови (НКЛ) и клеток буккального эпителия (БЭ). Установлено, что в КЛ присутствует низкоуровневый гоносомный мозаицизм с тенденцией к повышению частоты клеток с Х-анеуплоидией с увеличением возраста женщины. Средняя частота клеток с моносомией и трисомией по X хромосоме составляет соответственно 1,83% и 0,66% в группе женщин в возрасте 20-29 лет; 2,23% и 0,86% - в возрасте 30-39 лет и 5,88% и 1,95% - в возрасте 40-49 лет. Средняя частота анеуплоидных клеток в НКЛ статистически значимо не отличалась от таковой в КЛ. В БЭ средняя частота мозаичной Х-анеуплоидии во всех возрастных группах составляет 4,01%. Таким образом, нами определён уровень гоносомного мозаицизма в лимфоцитах и БЭ здоровых фертильных женщин и разработан протокол обследования пациентов при обнаружении низкоуровневого мозацизма по хромосоме X.</p></abstract><trans-abstract xml:lang="en"><p>The aim of study was to evaluate X-chromosome mosaicism in health fertile women from different age groups. We found physiological low-level gonosomal mosaicism in peripheral blood lymphocytes with a clear trend in increased proportion of X-aneuploidic cells associated with the increasing age to 1.83%, 2.23% and 5.88% for 20-29, 30-39 and 40-49 years, respectively. The buccal smear also exhibited physiological pattern of a low-level X-chromosome mosaicism, however, the level of gonosomal mosaicism with no statistically significant difference between groups, average level was 4.01%. The obtained data allow to developed diagnostic protocol of low-level X-chromosome mosaicism in fertile women.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>анеуплоидия</kwd><kwd>мозаицизм</kwd><kwd>Х-хромосома</kwd><kwd>флуоресцентная in situ гибридизация (FISH)</kwd><kwd>aneuploidy</kwd><kwd>mosaicism</kwd><kwd>X-chromosome</kwd><kwd>fluorescence in situ hybridization</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">Morel F., Gallon F., Amice V., et al. Sex chromosome mosaicism in couples undergoing intracytoplasmic sperm injection. Hum Reprod. 2002; 17 (10): 2552-5.</mixed-citation><mixed-citation xml:lang="en">Morel F., Gallon F., Amice V., et al. Sex chromosome mosaicism in couples undergoing intracytoplasmic sperm injection. 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