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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 pub-id-type="doi">10.21294/1814-4861-2021-20-6-41-54</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-1984</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>Применение GLAD-ПЦР-анализа для изучения метилирования ДНК в регуляторных областях генов-онкосупрессоров при раке молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>GLAD-PCR assay of DNA methylation sites in regulatory regions of some tumor-suppressor genes in breast cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5082-8071</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сметанникова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Smetannikova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, старший научный сотрудник отдела геномных исследований</p><p>SPIN-код: 8548-9071. Researcher ID (WOS): A-5864-2014. Author ID (Scopus): 650423744</p><p>Россия, 630559, Новосибирская область, р.п. Кольцово</p></bio><bio xml:lang="en"><p>PhD, Senior Researcher, Department of Genomic Research</p><p>Researcher ID (WOS): A-5864-2014. Author ID (Scopus): 650423744 </p><p> 630559, Novosibirsk region, Koltsovo, Russia </p></bio><email xlink:type="simple">smetannikova@vector.nsc.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>Абдурашитов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdurashitov</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> кандидат биологических наук, старший научный сотрудник </p><p>SPIN-код: 3360-3217. Researcher ID (WOS): A-6433-2014. Author ID (Scopus): 6701811260 </p><p>Россия, 630117, г. Новосибирск, ул. Академика Тимакова, 2/12</p></bio><bio xml:lang="en"><p>PhD, Senior Researcher</p><p>Researcher ID (WOS): A-6433-2014. Author ID (Scopus): 6701811260 </p><p>2/12, Ac. Timakov Street, 630117, Novosibirsk, Russia</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>Акишев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Akishev</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p> старший научный сотрудник</p><p>SPIN-код: 5976-0887. Researcher ID (WOS): A-6476-2014. Author ID (Scopus): 6701467349 </p><p>Россия, 630117, г. Новосибирск, ул. Академика Тимакова, 2/12</p></bio><bio xml:lang="en"><p> PhD</p><p>Researcher ID (WOS): A-6476-2014. Author ID (Scopus): 6701467349 </p><p>2/12, Ac. Timakov Street, 630117, Novosibirsk, Russia</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>Поздняков</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Pozdnyakov</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат химических наук, ведущий научный сотрудник разработки и производства средств диагностики</p><p>SPIN-код: 1427-6109. Researcher ID (WOS): A-6604-2014. AuthorID (Scopus): 6603478957 </p><p>Россия, 630559, Новосибирская область, р.п. Кольцово</p></bio><bio xml:lang="en"><p> PhD, Leading Researcher of Development and Production of Diagnostic Tools</p><p>Researcher ID (WOS): A-6604-2014. Author ID (Scopus): 6603478957 </p><p>630559, Novosibirsk region, Koltsovo, Russia </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3384-8406</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дубинин</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubinin</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат экономических наук, генеральный директор </p><p>SPIN-код: 4473-9233. Author ID (Scopus): 57188727732</p><p>Россия, 630090, г. Новосибирск, ул. Инженерная, 18 </p></bio><bio xml:lang="en"><p> PhD, General Director </p><p>Author ID (Scopus): 57188727732 </p><p>18, Inzhenernaya Street, 630090, Novosibirsk, Russia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0119-2740</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заместитель  директора по научной работе; профессор кафедры организации здравоохранения и общественного здоровья</p><p>SPINкод: 4393-5855. Researcher ID (WOS): R-7251-2016. Author ID (Scopus): 5594444960  </p><p>Россия, 636039, г. Северск, Коммунистический пр-т, 87</p><p>Россия, 634050, г. Томск, ул. Московский тракт, 2 </p></bio><bio xml:lang="en"><p> MD, DSc, Professor, Deputy Director for Research; Professor of the Department of Healthcare Organization and Public Health</p><p> Researcher ID (WOS): R-7251-2016. Author ID (Scopus): 5594444960 </p><p>87, Kommunistitcheskiy Ave., 636039, Seversk, Russia</p><p>2, Moskovskiy Trakt, 634050, Tomsk, Russia</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вихлянов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vihlyanov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, главный врач </p><p>Author ID (Scopus): 57211021828 </p><p>Россия, 656045, г. Барнаул, ул. Змеиногорский тракт, 110к </p></bio><bio xml:lang="en"><p> MD, DSc, Chief Physician </p><p>Author ID (Scopus): 57211021828. </p><p>110k, Zmeinogorskiy Trakt, 656045, Barnaul, Russia</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никитин</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p> заведующий отделением </p><p>Россия, 656045, г. Барнаул, ул. Змеиногорский тракт, 110к </p></bio><bio xml:lang="en"><p> MD, Head of Department, </p><p>110k, Zmeinogorskiy Trakt, 656045, Barnaul, Russia</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солдатова</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Soldatova</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> заведующая отделением </p><p>Россия, 636000, г. Северск, ул. Мира, 4</p></bio><bio xml:lang="en"><p> Head of Department </p><p>4, Mira Street, 636000, Seversk, Russia</p></bio><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9896-5403</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нетесова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Netesova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> доктор биологических наук, заведующая лабораторией отдела геномных исследований</p><p>SPIN-код: 2615-3101. Researcher ID (WOS): A-6485-2014</p><p>Россия, 630559, Новосибирская область, р.п. Кольцово</p></bio><bio xml:lang="en"><p> DSc, Head of the Laboratory of the Department of Genomic Research</p><p>Researcher ID (WOS): A-6485-2014 </p><p>630559, Novosibirsk region, Koltsovo, Russia </p></bio><xref ref-type="aff" rid="aff-7"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФБУН «Государственный научный центр вирусологии и биотехнологии «Вектор»» Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Research center of Virology and Biotechnology «Vector»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «СибЭнзайм»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sibenzyme Ltd</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «ЭпиДжин»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Epigene Ltd</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ФГУП «Северский биофизический научный центр» ФМБА России;&#13;
ФГБОУ ВО «Сибирский государственный медицинский университет» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Seversk Biophysical Research Centre;&#13;
Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>КГБУЗ «Алтайский краевой онкологический диспансер»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Altai Regional Oncology Center</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>ФГБУ «Сибирский федеральный научно-клинический центр» ФМБА России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal Research And Clinical Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-7"><aff xml:lang="ru"><institution>ФБУН «Государственный научный центр вирусологии и биотехнологии «Вектор»» Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>state Research center of Virology and Biotechnology «Vector»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>11</day><month>01</month><year>2022</year></pub-date><volume>20</volume><issue>6</issue><fpage>41</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сметанникова Н.А., Абдурашитов М.А., Акишев А.Г., Поздняков П.И., Дубинин Е.В., Карпов А.Б., Вихлянов И.В., Никитин М.К., Солдатова С.М., Нетесова Н.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Сметанникова Н.А., Абдурашитов М.А., Акишев А.Г., Поздняков П.И., Дубинин Е.В., Карпов А.Б., Вихлянов И.В., Никитин М.К., Солдатова С.М., Нетесова Н.А.</copyright-holder><copyright-holder xml:lang="en">Smetannikova N.A., Abdurashitov M.A., Akishev A.G., Pozdnyakov P.I., Dubinin E.V., Karpov A.B., Vihlyanov I.V., Nikitin M.K., Soldatova S.M., Netesova N.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.siboncoj.ru/jour/article/view/1984">https://www.siboncoj.ru/jour/article/view/1984</self-uri><abstract><p>Аберрантное метилирование ДНК на начальных стадиях канцерогенеза приводит к инактивации ряда генов и показано для многих онкологических заболеваний. Ранее с помощью метода glad-ПЦР анализа нами были выявлены аберрантно метилированные сайты R(5mc)gY, которые могут рассматриваться как эпигенетические маркеры при диагностике колоректального рака, рака легкого и рака желудка. При раке молочной железы, по литературным данным, наблюдается метилирование регуляторных участков генов ALX4, BMP2, CCND2, CDH13, CDX1, FOXA1, GALR1, GATA5, GREM1, HIC1, HMX2, HS3ST2, HOXC10, ICAM5, LAMA1, RARB, RASSF1A, RUNX3, RXRG, RYR2, SFRP2, SOX17, TERT и ZNF613. В настоящей работе было проведено определение аберрантно метилированных сайтов RcgY в регуляторных участках данных генов в препаратах ДНК из тканей рака молочной железы. Анализ образцов ДНК из операционного материала опухолей (n=30) и морфологически неизмененных тканей молочной железы (n=22) показал высокую диагностическую эффективность панели маркеров, включающей сайты R(5mc)gY в составе генов CCND2, BMP2, GALR1, SOX17, HMX2 и HS3ST2: суммарные показатели чувствительности и специфичности составляют 90,0 и 100,0 % соответственно.</p></abstract><trans-abstract xml:lang="en"><p>Hypermethylation of the RcgY sites is shown for many cancer diseases. such aberrant methylation, suppressing the gene activity, occurs at early stages of carcinogenesis. Recently, using glad-pcR assay, we have detected aberrantly methylated RcgY sites, which can be considered to be epigenetic markers of colorectal, lung, and gastric cancers. in breast cancer, methylation of the regulatory regions of ALX4, BMP2, CCND2, CDH13, CDX1, FOXA1, GALR1, GATA5, GREM1, HIC1, HMX2, HS3ST2, HOXC10, ICAM5, LAMA1, RARB, RASSF1A, RUNX3, RXRG, RYR2, SFRP2, SOX17, TERT, and ZNF613 tumor-suppressor genes is reported. in the present work, we determined aberrantly methylated RcgY sites in the regulatory regions of these genes in dNa preparations from breast cancer tissues. the study of dNa samples from 30 tumor and 22 normal mammary tissue samples demonstrates a high diagnostic potential of selected R(5mc)gY sites in regulatory regions of CCND2, BMP2, GALR1, SOX17, HMX2, and HS3ST2 genes with total index of sensitivity and specificity for R(5mc)gY detection in tumor dNa 90.0 % and 100.0 %, respectively.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>гены-онкосупрессоры</kwd><kwd>метилирование ДНК</kwd><kwd>glad-ПЦРанализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>tumor-suppressor genes</kwd><kwd>dNa methylation</kwd><kwd>glad-pcR assay</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа проводилась при финансовой поддержке фонда Сколково (грант № Г102/16 от 06 декабря 2016 г.).</funding-statement><funding-statement xml:lang="en">The present study was supported by the Skolkovo fund (grunt № G102/16 from 06.12.2016).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">GLOBOCAN 2020 Database Provides Latest Global Data on Cancer Burden, Cancer Deaths [Internet]. 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