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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">gastro-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский журнал гастроэнтерологии, гепатологии, колопроктологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Gastroenterology, Hepatology, Coloproctology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1382-4376</issn><issn pub-type="epub">2658-6673</issn><publisher><publisher-name>«Gastro» LLC</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">gastro-j-1106</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>НОВОСТИ КОЛОПРОКТОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NEWS OF COLOPROCTOLOGY</subject></subj-group></article-categories><title-group><article-title>Дифференциальный диагноз синдрома Линча от других форм неполипозного колоректального рака среди российских пациентов</article-title><trans-title-group xml:lang="en"><trans-title>Differentiation of Lynch syndrome from other forms of non-polyposis colorectal cancer among Russian patients</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><bio xml:lang="ru"><p>Цуканов Алексей Сергеевич — кандидат медицинских наук, заведующий кабинетом лабораторной генетики </p><p>123423, Москва, ул. Саляма Адиля, д.2</p></bio><bio xml:lang="en"><p>Tsukanov Alexey S. – MD, head of laboratory genetics study</p><p>123423, Moscow, Salyam Adilya street, 2</p></bio><email xlink:type="simple">tsukanov81@rambler.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>Pospehova</surname><given-names>N. I.</given-names></name></name-alternatives><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><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><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жданкина</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhdankina</surname><given-names>S. N.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пономаренко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponomarenko</surname><given-names>A. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыбаков</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rybakov</surname><given-names>E. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ачкасов</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Achkasov</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="en"><p>Federal state-funded institution «State Scientific Center of Coloproctology»</p></bio><xref ref-type="aff" rid="aff-2"/></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><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><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>Yu. A.</given-names></name></name-alternatives><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»  Минздрава  РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal state-funded institution «State Scientific Center of Coloproctology»</institution><country>Russian Federation</country></aff></aff-alternatives><aff xml:lang="ru" id="aff-2"><institution>Федеральное  государственное  бюджетное  учреждение   «Государственный  научный  центр  колопроктологии»  Минздрава  РФ</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>17</day><month>08</month><year>2014</year></pub-date><volume>24</volume><issue>2</issue><fpage>78</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цуканов А.С., Поспехова Н.И., Шубин В.П., Сачков И.Ю., Жданкина С.Н., Пономаренко А.А., Рыбаков Е.Г., Ачкасов С.И., Кашников В.Н., Фролов С.А., Шелыгин Ю.А., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Цуканов А.С., Поспехова Н.И., Шубин В.П., Сачков И.Ю., Жданкина С.Н., Пономаренко А.А., Рыбаков Е.Г., Ачкасов С.И., Кашников В.Н., Фролов С.А., Шелыгин Ю.А.</copyright-holder><copyright-holder xml:lang="en">Tsukanov A.S., Pospehova N.I., Shubin V.P., Sachkov I.Y., Zhdankina S.N., Ponomarenko A.A., Rybakov E.G., Achkasov S.I., Kashnikov V.N., Frolov S.A., Shelygin Y.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.gastro-j.ru/jour/article/view/1106">https://www.gastro-j.ru/jour/article/view/1106</self-uri><abstract><p>Цель исследования. Синдром Линча — наследственный синдром, вызванный герминальной мутацией в одном из генов репарации неспаренных оснований и обусловливающий высокий риск развития рака толстой кишки. На данный момент нет критериев, позволяющих выявлять всех носителей мутации, и разработка новых рекомендаций продолжается, что и послужило задачей проведенного исследования.Материал и методы. Поиск микросателлитной нестабильности (МСН), характерной для синдрома Линча, проводился в образцах опухоли 73 пациентов методом фрагментного анализа. При ее выявлении осуществлялся поиск герминальных мутаций методами полимеразной цепной реакции, электрофореза и прямого секвенирования.Результаты. Микросателлитная нестабильность обнаружена в 17 опухолевых образцах (23%, 17/73). У 9 человек выявлены герминальные мутации, что позволило отнести эту группу к больным с синдромом Линча. Из 9 мутаций 3 описаны впервые в мире.Выводы. На основании опухолевой МСН, возраста и отягощенности семейной истории были предложены два новых критерия для поиска российских пациентов с синдромом Линча. Эффективность первого критерия составила 60%, второго — 85,7%.</p></abstract><trans-abstract xml:lang="en"><sec><title>Aim of investigation</title><p>Aim of investigation. Lynch's syndrome is hereditary syndrome caused by germline mutation in one of reparation genes not coupled bases and causing high risk of colorectal cancer development. At present there are no criteria, allowing to reveal all mutation carriers, and development of new guidelines is still going on, that became a task for original study. Material and methods. Search of microsatellite instability (MSI), characteristic for Lynch's syndrome, was carried out in tumor samples of 73 patients by fragment analysis method. At its detection search of germline mutations by polymerase chain reaction methods, electrophoresis and direct sequencing was carried out.</p></sec><sec><title>Results</title><p>Results. Microsatellite instability was found out in 17 neoplastic samples (23%, 17 of 73). At 9 person germline mutations that has allowed to attribute this group to patients to Lynch's syndrome were revealed. Three of 9 mutations were described for the first time in the world.</p></sec><sec><title>Conclusions</title><p>Conclusions. According to neoplastic MSI, age and family history two new criteria for Lynch's syndrome search in the Russian patients have been offered. Efficacy of the first criterion was 60%, that of the second — 85,7%.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>синдром Линча</kwd><kwd>рак толстой кишки</kwd><kwd>микросателлитная нестабильность</kwd><kwd>гены MMR</kwd><kwd>герминальные мутации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Lynch's syndrome</kwd><kwd>colorectal cancer</kwd><kwd>microsatellite instability</kwd><kwd>genes MMR</kwd><kwd>germline 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">Давыдов М. 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