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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">10.1234/XXXX-XXXX-2013-2-32-36</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-42</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>SEMA6B — КАНДИДАТ НА РОЛЬ ГЕНА СУПРЕССОРА ОПУХОЛЕВОГО РОСТА В КРИТИЧЕСКОМ ХРОМОСОМНОМ РАЙОНЕ 19Р13.3</article-title><trans-title-group xml:lang="en"><trans-title>SEMA6B IS A CANDIDATE TUMOR SUPPRESSOR GENE IN THE CRITICAL CHROMOSOME REGION 19P13.3</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>Кузнецова</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p> </p><p> </p><p> </p></bio><email xlink:type="simple">vstrel@list.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>Пудова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pudova</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">el_pudov@mail.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>Танас</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tanas</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">vstrel@list.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>Залетаев</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaletaev</surname><given-names>D. V.</given-names></name></name-alternatives><email xlink:type="simple">vstrel@list.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>Стрельников</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Strelnikov</surname><given-names>V. V.</given-names></name></name-alternatives><email xlink:type="simple">vstrel@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Медико-генетический научный центр» Российской академии медицинских наук; Государственное бюджетное образовательное учреждение высшего профессионального образования Первый Московский государственный медицинский университет имени И.М. Сеченова Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Med i cal Genetics;I.M. Sechenov 1st MSMU, Russian Health Ministry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное бюджетное учреждение науки “Центральный научно-исследовательский институт эпидемиологии”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Central Research Institute of Epidemiology, Russian Inspectorate for Protection of Consumer Rights and Human Welfare</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>23</day><month>12</month><year>2015</year></pub-date><volume>12</volume><issue>2</issue><fpage>32</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова Е.Б., Пудова Е.А., Танас А.С., Залетаев Д.В., Стрельников В.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Кузнецова Е.Б., Пудова Е.А., Танас А.С., Залетаев Д.В., Стрельников В.В.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova E.B., Pudova E.A., Tanas A.S., Zaletaev D.V., Strelnikov V.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/42">https://www.medgen-journal.ru/jour/article/view/42</self-uri><abstract><sec><title> </title><p> </p><p>Результаты многочисленных исследований свидетельствуют о крайне высокой частоте потери гетерозиготности на коротком плече хромосомы 19 — в хромосомном сегменте 19р13.3 — при различных видах злокачественных новообразований: при раке ободочной кишки, шейки матки, молочной железы, при миелоидном лейкозе. Данные о высокой частоте потери гетерозиготности 19р13.3 заставляют предположить наличие в этом сегменте одного или нескольких генов-супрессоров опухолевого роста. Ранее нами было выявлено аномальное метилирование 5'-области гена SEMA6B, расположенного в критическом районе, в образцах рака молочной железы (РМЖ). Проведённый в настоящем исследовании анализ молекулярной патологии SEMA6B выявил и другие особенности, характерные для гена супрессора опухолевого роста: частота потери гетерозиготности SEMA6B при РМЖ составила 50%; у одной из пациенток с РМЖ выявлена мутация в эволюционно консервативном участке гена.</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><p>Numerous studies indicate an extremely high rate of loss of heterozygosity on the short arm of chromosome 19, in the chromosomal segment 19p13.3, for different types of neoplasia: coion, cervical, breast cancers, myeloid leukemia. High rates of 19p13.3 loss of heterozygosity suggest that it contains one or more tumor suppressor genes. Our study of molecular pathology of the SEMA6B gene located in a critical area in breast cancer samples reveals features characteristic of the tumor suppressor gene. The frequency of abnormal methylation of the 5' region of the gene and the rate of loss of heterozygosity in breast cancer samples equal correspondingly 38% and 50%. A germinal mutation in an evolutionarily conserved region of the SEMA6B gene was detected in one of the breast cancer patients.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>супрессоры опухолевого роста</kwd><kwd>хромосомный район 19р 13.3</kwd><kwd>семафорин</kwd><kwd>SEMA6B</kwd><kwd>метилирование ДНК</kwd><kwd>потеря гетерозиготности</kwd><kwd>мутации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>tumor suppressors</kwd><kwd>chromosome segment 19р13.3</kwd><kwd>semaphorin</kwd><kwd>SEMA6B</kwd><kwd>DNA methylation</kwd><kwd>loss of heterozygosity</kwd><kwd>mutations</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">Кузнецова Е.Б., Дрозд О.В., Бабенко О.В., Землякова В.В., Немцова М.В., Залетаев Д.В., Стрельников В.В. 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