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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">696</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2017-13-3-27-33</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. RENAL CANCER</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ МОЧЕПОЛОВОЙ СИСТЕМЫ. Рак почки</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Methylation of 10 miRNA genes in clear cell renal cell carcinoma and their diagnostic value</article-title><trans-title-group xml:lang="ru"><trans-title>Метилирование 10 генов микроРНК при светлоклеточном раке почки и их диагностическое значение</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Loginov</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Логинов</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorech’e St., Moscow 115478, Russia</p><p>8 Baltiyskaya St., Moscow 125315, Russia</p></bio><bio xml:lang="ru"><p>Россия, 115478 Москва, ул. Москворечье, 1</p><p>Россия, 125315 Москва, ул. Балтийская, 8</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Beresneva</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Береснева</surname><given-names>Е. В.</given-names></name></name-alternatives><bio xml:lang="en"><p>1 Pervyy Dorozhnyy Proezd, 117545 Moscow, Russia</p></bio><bio xml:lang="ru"><p>Россия, 117545 Москва, 1-й Дорожный проезд, 1</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kazubskaya</surname><given-names>T. R.</given-names></name><name xml:lang="ru"><surname>Казубская</surname><given-names>Т. П.</given-names></name></name-alternatives><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478, Russia</p></bio><bio xml:lang="ru"><p>Россия, 115478 Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Braga</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Брага</surname><given-names>Э. А.</given-names></name></name-alternatives><bio xml:lang="en"><p>1 Moskvorech’e St., Moscow 115478, Russia</p><p>8 Baltiyskaya St., Moscow 125315, Russia</p></bio><bio xml:lang="ru"><p>Россия, 115478 Москва, ул. Москворечье, 1</p><p>Россия, 125315 Москва, ул. Балтийская, 8</p><p> </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karpukhin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Карпухин</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorech’e St., Moscow 115478, Russia</p></bio><bio xml:lang="ru"><p>Заведующий лабораторией доктор биологических наук, профессор</p><p>Россия, 115478 Москва, ул. Москворечье, 1</p></bio><email>karpukhin@med-gen.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Center for Medical Genetics&#13;
&#13;
Institute of General Pathology and Pathophysiology</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Медико-генетический научный центр»&#13;
&#13;
ФГБНУ «Научно-исследовательский институт общей патологии и патофизиологии»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">State Research Institute for Genetics and Selection of Industrial Microorganisms</institution></aff><aff><institution xml:lang="ru">ФГБУ «Государственный научно-исследовательский институт генетики и селекции промышленных микроорганизмов»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">N. N. Blokhin National Medical Research Oncology Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н. Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Research Center for Medical Genetics</institution></aff><aff><institution xml:lang="ru">ФБГНУ «Медико-генетический научный центр»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-09-30" publication-format="electronic"><day>30</day><month>09</month><year>2017</year></pub-date><volume>13</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>27</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2017-06-29"><day>29</day><month>06</month><year>2017</year></date><date date-type="accepted" iso-8601-date="2017-08-21"><day>21</day><month>08</month><year>2017</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncourology.abvpress.ru/oncur/article/view/696">https://oncourology.abvpress.ru/oncur/article/view/696</self-uri><abstract xml:lang="en"><p><bold>Introduction</bold>. Clear cell renal cell carcinoma (ccRCC) is characterized by the high (30–40 % of cases) frequency of lethal outcomes which at metastasis reaches 90 %. Lack of efficient diagnostics at early stages of a disease indicates the need of searching on new ccRCC markers.<bold/></p><p><bold>Objective</bold>: for definition of methylation role of some tumor suppressor microRNA (miRNA) genes in ccRCC pathogenesis and progression and marker identification for ccRCC diagnostics and metastasis predictions.<bold/></p><p><bold>Materials and methods.</bold> The alterations of methylation status of 10 miRNA genes were determined by methylation specific polymerase chain reaction in tumor DNA samples and matched histologically unchanged tissues from 70 patients with ccRCC, as well as in DNA samples of kidney tissues from 19 post-mortal individuals without cancer history. Methylation of MIR MIR-107, -130b and -148a genes in ccRCC was studied for the first time.<bold/></p><p><bold>Results.</bold> It was shown that 8 miRNA genes (MIR-9-1/3, -34b/c, -124a-1/2/3, -129-2, -130b) were methylated in ccRCC tumors with significantly higher frequency than in the matched histologically unchanged kidney tissues. It was established the association of methylation of 4 miRNA genes (MIR-107, -124a-3, -129-2, -130b) with ccRCC progression (stage, tumor size, differentiation grade), including metastasis in the lymph nodes or distant organs, revealed for MIR-107 and -129-2. The association of MIR-107 and -130b methylation with progression of ccRCC is shown for the first time. Potential marker systems are made for ccRCC diagnostics using tumor biopsy; according to the ROC analysis, systems from 4 and 5 genes (MIR-9-1, -4b/c, -124a-3, -129-2/with addition of MIR-130b) are characterized by high clinical sensitivity of 90 % and specificity of 94 % (area under ROC curve 0.93 and 0.94). </p><p><bold>Conclusion.</bold> The received results will form the basis of noninvasive ccRCC diagnostics further development. To conclude, it is shown the association of methylation of 9 miRNA genes with ccRCC pathogenesis and progression and its potential diagnostic value.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение</bold>. Светлоклеточный почечно-клеточный рак почки (скПКР) характеризуется высокой частотой (30–40 %) случаев летальных исходов, которая при метастазировании достигает 90 %. Отсутствие эффективной диагностики на ранних стадиях заболевания указывает на необходимость поиска новых маркеров скПКР.<bold/></p><p><bold>Цель работы</bold> – определение роли метилирования группы генов супрессорных микроРНК (миРНК) в патогенезе и прогрессировании скПКР и идентификация маркеров для диагностики скПКР и прогноза метастазирования.<bold/></p><p><bold>Материалы и методы.</bold> Методом бисульфитной конверсии ДНК с последующей метилспецифичной полимеразной цепной реакцией определено изменение статуса метилирования 10 генов миРНК в образцах ДНК опухоли и парных гистологически неизмененных тканях 70 больных скПКР, а также в образцах ДНК тканей почки 19 умерших от неонкологических заболеваний. Метилирование генов MIR-107, -130b и -148a при скПКР в данной работе исследовано впервые.<bold/></p><p><bold>Результаты.</bold> Показано, что 8 генов миРНК (MIR-9-1/3, -34b/c, -124a-1/2/3, -129-2, -130b) метилированы в опухолях скПКР с достоверно более высокой частотой, чем в парной гистологически неизмененной ткани почки. Установлена значимая связь метилирования 4 генов миРНК (MIR-107, -124a-3, -129-2, -130b) с показателями прогрессирования скПКР (стадия, размер опухоли, степень дифференцировки), в том числе для генов MIR-107 и -129-2 – с метастазированием в лимфатические узлы или отдаленные органы. Связь метилирования генов MIR-107 и -130b с прогрессированием заболевания показана впервые. Составлены потенциальные системы маркеров для диагностики скПКР на основе биопсийного материала; по данным ROC-анализа 2 системы маркеров из 4 и 5 генов (MIR-9-1, -34b/c, -124a-3, -129-2; и с добавлением MIR-130b) характеризуются клинической чувствительностью 90 % и специфичностью 94 % (площадь под ROC-кривой 0,93 и 0,94 соответственно).<bold/></p><p><bold>Заключение</bold>. Полученные результаты в дальнейшем лягут в основу разработки метода неинвазивной диагностики скПКР. Таким образом, показана связь метилирования ряда генов миРНК с патогенезом и прогрессированием скПКР и их потенциальное диагностическое значение.</p></trans-abstract><kwd-group xml:lang="en"><kwd>clear cell renal cell carcinoma</kwd><kwd>methylation</kwd><kwd>microRNA gene</kwd><kwd>metastasis</kwd><kwd>marker system</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>светлоклеточный почечно-клеточный рак</kwd><kwd>метилирование</kwd><kwd>ген микроРНК</kwd><kwd>метастазирование</kwd><kwd>система маркеров</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Vasudev N. S., Selby P. J., Banks R. E. Renal cancer biomarkers: the promise of personalized care. BMC Med 2012;10:112. DOI: 10.1186/1741-7015-10-112. PMID: 23016578.</mixed-citation><mixed-citation xml:lang="ru">Vasudev N. S., Selby P. J., Banks R. E. Renal cancer biomarkers: the promise of personalized care. 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