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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-2015-10-25-28</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-58</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>Определение функциональной значимости варианта c.423-6A&gt;G в гене APC у пациента с клиническими признаками семейного аденоматоза толстой кишки</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the functional significance of variant c.423-6A&gt;G in the APC gene in a patient with familial adenomatous polyposis</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>Цуканов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsukanov</surname><given-names>A. S.</given-names></name></name-alternatives><email xlink:type="simple">info@gnck.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>Поспехова</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Pospekhova</surname><given-names>N. I.</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>Шубин</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Shubin</surname><given-names>V. P.</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>Кузьминов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzminov</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>Сачков</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sachkov</surname><given-names>I. Yu.</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>Кашников</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashnikov</surname><given-names>V. 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>Фролов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolov</surname><given-names>S. 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>Шелыгин</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shelygin</surname><given-names>Ju. 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-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Государственный научный центр колопроктологии им. А.Н. Рыжих» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Scientific Center of Coloproctology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>16</day><month>06</month><year>2016</year></pub-date><volume>14</volume><issue>10</issue><fpage>25</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цуканов А.С., Поспехова Н.И., Шубин В.П., Кузьминов А.М., Сачков И.Ю., Кашников В.Н., Фролов С.А., Шелыгин Ю.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Цуканов А.С., Поспехова Н.И., Шубин В.П., Кузьминов А.М., Сачков И.Ю., Кашников В.Н., Фролов С.А., Шелыгин Ю.А.</copyright-holder><copyright-holder xml:lang="en">Tsukanov A.S., Pospekhova N.I., Shubin V.P., Kuzminov A.M., Sachkov I.Y., Kashnikov V.N., Frolov S.A., Shelygin J.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://www.medgen-journal.ru/jour/article/view/58">https://www.medgen-journal.ru/jour/article/view/58</self-uri><abstract><p>До 1% всех случаев колоректального рака возникает на фоне семейного аденоматоза толстой кишки. Этот наследственный синдром в большинстве случаев обусловлен герминальными мутациями в гене APC . Около 85% унаследованных мутаций являются небольшими делециями/инсерциями и нонсенс-мутациями, оставшиеся 15% - большие делеции, миссенс-мутации и мутации сайта сплайсинга. Однако далеко не для всех миссенс-мутаций и интронных вариантов в гене APC определена функциональная значимость. В работе проведено выяснение патогенного значения ранее не описанного варианта c.423-6A&gt;G в гене APC у пациента с клиническими признаками классической формы семейного аденоматоза толстой кишки. Нами выполнен анализ мутационных изменений на уровне мРНК, который выявил изменения транскрипта, обусловленные нарушением процесса сплайсинга. Полученные данные однозначно указывают на то, что вариант c.423-6A&gt;G в гене APC является патогенной мутацией.</p></abstract><trans-abstract xml:lang="en"><p>Up to 1% of all colorectal cancers appear as a result of familial adenomatous polyposis. This hereditary syndrome in most cases is driven by APC gene germline mutations. Around 85% of mutations are small deletions/insertions and nonsence mutations, while other 15% are large deletions, missence and splice site mutations. Meanwhile, functional significance of some of missence mutations and intronic variants of APC gene is not described. We determined pathogenic significance of a previously not described c.423-6A&gt;G variant of APC gene in a patient with familial adenomatous polyposis. We analyzed mutation changes on mRNA level revealing changes of transcript as a result of disturbed splicing process. Data strongly suggests that c.423-6A&gt;G variant of APC gene is a pathogenic mutation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ген APC</kwd><kwd>колоректальный рак</kwd><kwd>семейный аденоматоз толстой кишки</kwd><kwd>APC gene</kwd><kwd>colorectal cancer</kwd><kwd>familial adenomatous polyposis</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">Цуканов А.С., Шубин В.П., Поспехова Н.И. и др. Наследственные раки желудочно-кишечного тракта // Практическая онкология. - 2014. - Т. 15, № 3. - С. 126-133.</mixed-citation><mixed-citation xml:lang="en">Цуканов А.С., Шубин В.П., Поспехова Н.И. и др. 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