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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">oncotomsk</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский онкологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Siberian journal of oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1814-4861</issn><issn pub-type="epub">2312-3168</issn><publisher><publisher-name>Tomsk National Research Medical Сепtеr of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-40</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>ЛАБОРАТОРНЫЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LABORATORY AND EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>ВАРИАБЕЛЬНОСТЬ И УРОВЕНЬ ЭКСПРЕССИИ МИКРОРНК В ТКАНИ ОПУХОЛЕЙ ГОЛОВЫ И ШЕИ</article-title><trans-title-group xml:lang="en"><trans-title>VARIABILITY AND microRNA EXPRESSION LEVEL IN TISSUES OF HEAD AND NECK TUMORS</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>Никитина</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitina</surname><given-names>Е. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, пер. Кооперативный, 5</p></bio><email xlink:type="simple">ekatarinanikitina@gmail.com</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>Уразова</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Urazova</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, пер. Кооперативный, 5</p></bio><email xlink:type="simple">ekatarinanikitina@gmail.com</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>Черемисина</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cheremisina</surname><given-names>О. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, пер. Кооперативный, 5</p></bio><email xlink:type="simple">ekatarinanikitina@gmail.com</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>Кульбакин</surname><given-names>Д. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulbakin</surname><given-names>D. Е.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, пер. Кооперативный, 5</p></bio><email xlink:type="simple">ekatarinanikitina@gmail.com</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>Стегний</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Stegniy</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>634050, г. Томск, пер. Кооперативный, 5</p></bio><email xlink:type="simple">ekatarinanikitina@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБУ «НИИ онкологии» СО РАМН, г. Томск&#13;
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Национальный исследовательский Томский государственный университет, г. Томск<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Siberian Branch of the Russian Academy of Medical Sciences, Tomsk&#13;
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National Research Tomsk State University, Tomsk<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГБУ «НИИ онкологии» СО РАМН, г. Томск<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Siberian Branch of the Russian Academy of Medical Sciences, Tomsk<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Национальный исследовательский Томский государственный университет, г. Томск<country>Россия</country></aff><aff xml:lang="en">National Research Tomsk State University, Tomsk<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2016</year></pub-date><volume>0</volume><issue>3</issue><fpage>28</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никитина Е.Г., Уразова Л.Н., Черемисина О.В., Кульбакин Д.Е., Стегний В.Н., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Никитина Е.Г., Уразова Л.Н., Черемисина О.В., Кульбакин Д.Е., Стегний В.Н.</copyright-holder><copyright-holder xml:lang="en">Nikitina Е.G., Urazova L.N., Cheremisina О.V., Kulbakin D.Е., Stegniy S.N.</copyright-holder><license 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.siboncoj.ru/jour/article/view/40">https://www.siboncoj.ru/jour/article/view/40</self-uri><abstract><p>Малые некодирующие РНК (микроРНК) являются не только важнейшими регуляторами экспрессии генов, участвуя практически во всех базовых процессах в клетке, но и являются специфичными молекулами и могут быть использованы для многих целей в клинической диагностике. В данном исследовании проведена оценка уровня экспрессии микроРНК в опухолевой ткани пациентов с новообразованиями в разных анатомических сайтах головы и шеи. По результатам данного проекта получены новые данные относительно паттерна экспрессии восьми микроРНК в опухолевой ткани пациентов с раком гортани (РГ), языка (РЯ) и папиллярной карциномы щитовидной железы (РЩЖ), а именно микроРНК-18а, -21, -155, -200а, -200с, -205, -221 и -494. Определен спектр микроРНК, специфичных для анализируемых локализаций, что позволяет предположить наличие различий в механизмах участия одних и тех же микроРНК при онкогенезе опухолей разных эпитопов головы и шеи. Показано, что панель из микроРНК-200а, -200с, -21 и -205 является специфичной для определения двух локализаций (РГ и РЩЖ) и, вероятно, может быть использована для уточнения сайта вторичной опухоли и/или метастаза неясного генеза.</p></abstract><trans-abstract xml:lang="en"><p>Small non-coding RNAs (miRNAs) are not only an important regulator of gene expression by participating in almost all basic processes in the cell, but are specific molecules and can be used for many applications in clinical diagnostics. In our study, we assessed the level of miRNA expression in tumor tissue of patients with head and neck tumors of various sites. New data regarding the expression pattern of eight miRNAs in tumor tissue from patients with cancer of the larynx, tongue and papillary thyroid carcinoma, namely: miR-18a, -21, -155, -200a, -200c, -205, -221 and -494 were obtained. The spectrum of miRNA-specific localizations was analyzed, suggesting the existence of differences in the mechanisms of participation of the same miRNA in carcinogenesis of tumors of different epitopes of the head and neck. The panel of miR-200a, -200c, -21 and -205 was shown to be specific for determining the two locations (laryngeal and thyroid cancers) and probably can be used to define the site of a secondary tumor and / or metastasis of unknown origin.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>опухоли головы и шеи</kwd><kwd>микроРНК</kwd></kwd-group><kwd-group xml:lang="en"><kwd>head and neck tumors</kwd><kwd>miRNA</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">Чиссов В.И., Старинский В.В., Петрова Г.В. Злокачественные новообразования в России в 2011 году (заболеваемость и смертность). 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