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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">10.21294/1814-4861-2022-21-5-34-43</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-2304</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Предиктивная и прогностическая значимость явления потери гетерозиготности в генах ABC-транспортеров в опухоли молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Predictive and prognostic significance of loss of heterozygosity in ABC transporter 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/0000-0001-7419-4512</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цыганов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsyganov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цыганов Матвей Михайлович, кандидат биологических наук, старший научный сотрудник лаборатории онковирусологии</p><p>SPIN-код: 1253-0240. Researcher ID (WOS): A-7212-2014.Author ID (Scopus): 55366377400</p><p> Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p>Matvey M. Tsyganov, PhD, Researcher, Laboratory of Viral Oncology</p><p>Researcher ID (WOS): A-7212-2014. Author ID (Scopus): 55366377400 </p><p>5, Kooperativny St., 634009, Tomsk, Russia </p></bio><email xlink:type="simple">tsyganovmm@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8815-2786</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ибрагимова</surname><given-names>М. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Ibragimova</surname><given-names>M. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ибрагимова Марина Константиновна, кандидат  биологических наук, старший научный сотрудник  лаборатории онковирусологии; старший преподаватель кафедры зоологии позвоночных и экологии</p><p>SPIN-код: 2340-1628. Researcher ID (WOS): C-8609-2012. Author ID (Scopus): 55366188300/57130579200</p><p>Россия, 634009, г. Томск, пер. Кооперативный 5 </p><p>Россия, 634050, г. Томск, пр. Ленина, 36</p></bio><bio xml:lang="en"><p>Marina K. Ibragimova, PhD, Researcher, Laboratory of Viral Oncology; Senior Lecturer, Department of Vertebrate Zoology and Ecology</p><p>Researcher ID (WOS): C-8609-2012. Author ID (Scopus): 55366188300 /  57130579200 </p><p> 5, Kooperativny St., 634009, Tomsk, Russia </p><p> 36, Lenina St., 634050, Tomsk, Russia </p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6016-7078</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гарбуков</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Garbukov</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гарбуков Евгений Юрьевич, кандидат медицинских наук, старший научный сотрудник отделения общей онкологии</p><p>SPIN-код: 3630-2324</p><p> Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p>Evgeny Yu. Garbukov, MD, PhD, Researcher, Department of General Oncology </p><p> 5, Kooperativny St., 634009, Tomsk, 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/0000-0001-5281-7758</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брагина</surname><given-names>О. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Bragina</surname><given-names>O. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Брагина Ольга Дмитриевна, доктор медицинских наук, старший научный сотрудник отделения радионуклидной диагностики</p><p>SPIN-код: 7961-5918. Researcher ID (WOS): E-9732-2017. Author ID (Scopus): 57190936265</p><p> Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p>Olga D. Bragina, MD, DSc, Researcher, Department of Nuclear Medicine</p><p>Researcher ID (WOS): E-9732-2017. Author ID (Scopus): 57190936265 </p><p> 5, Kooperativny St., 634009, Tomsk, Russia </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Здерева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zdereva</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Здерева Екатерина Андреевна, лаборант-исследователь лаборатории онковирусологии</p><p>SPIN-код: 2076-4551 </p><p> Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p>Ekaterina A. Zdereva, Research Assistant, Laboratory of Viral Oncology </p><p>5, Kooperativny St., 634009, Tomsk, Russia </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Усынин</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Usynin</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Усынин Евгений Анатольевич, доктор медицинских наук, заведующий отделением общей онкологии</p><p>SPIN-код: 1804-0292. Author ID (Scopus): 56204320500 </p><p>Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p> Evgeny A. Usynin, MD, DSc, Head of the Department of General Oncology </p><p> Author ID (Scopus): 56204320500 </p><p> 5, Kooperativny St., 634009, Tomsk, 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/0000-0002-0714-8927</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвяков</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Litviakov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Литвяков Николай Васильевич, доктор биологических наук, заведующий лабораторией онковирусологии</p><p>SPIN-код: 2546-0181. Researcher ID (WOS): C-3263-2012. Author ID (Scopus): 6506850698</p><p> Россия, 634009, г. Томск, пер. Кооперативный 5 </p></bio><bio xml:lang="en"><p>Nikolay V. Litviakov, DSc, Head of the Laboratory of Viral Oncology</p><p>Researcher ID (WOS): C-3263-2012. Author ID (Scopus): 6506850698 </p><p> 5, Kooperativny St., 634009, Tomsk, Russia </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук;&#13;
ФГАОУ ВО «Национальный исследовательский Томский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Тomsk National Research Medical Center, Russian Academy of Sciences;&#13;
National Research Tomsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>27</day><month>10</month><year>2022</year></pub-date><volume>21</volume><issue>5</issue><fpage>34</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цыганов М.М., Ибрагимова М.К., Гарбуков Е.Ю., Брагина О.Д., Здерева Е.А., Усынин Е.А., Литвяков Н.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Цыганов М.М., Ибрагимова М.К., Гарбуков Е.Ю., Брагина О.Д., Здерева Е.А., Усынин Е.А., Литвяков Н.В.</copyright-holder><copyright-holder xml:lang="en">Tsyganov M.M., Ibragimova M.K., Garbukov E.Y., Bragina O.D., Zdereva E.A., Usynin E.A., Litviakov N.V.</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/2304">https://www.siboncoj.ru/jour/article/view/2304</self-uri><abstract><p>Гены семейства ABC-транспортеров хорошо изучены, оценено их влияние на формирование лекарственной устойчивости. Показано, что наличие аберрантных состояний в этих генах может влиять на лечение и прогноз заболевания. Одним из таких состояний является потеря гетерозиготности (LOH), которая часто встречается в опухолевых клетках. Цель исследования ‒ изучение связи потери гетерозиготности в генах ABC-транспортеров в опухоли молочной железы с эффектом химиотерапии и прогнозом заболевания. Материал и методы. В исследование было включено 130 больных раком молочной железы. Для оценки статуса LOH был проведен микрочиповый анализ на ДНК-чипах высокой плотности Affymetrix Cytoscantm HD Array. Для обработки результатов микрочипов использовалось программное обеспечение Chromosome Analysis Suite 4.1 (Affymetrix, USA). Результаты. На предмет потери гетерозиготности было оценено 49 генов ABC-транспортеров. Частота LOH варьировала от 6,9 до 90 %. Ассоциативный анализ выявил два гена ABCG5 и ABCG8, наличие потери гетерозиготности в которых было связано с отсутствием объективного ответа на неоадъювантную химиотерапию. Наличие LOH в генах ABCA5, ABCA6, ABCA8, ABCA9, ABCA10 и ABCC3 было связано с более высокими показателями безметастатической выживаемости (log-rank test, p&lt;0,04). Выводы. Было установлено, что наличие потери гетерозиготности в генах ABC-транспортеров не оказывает значительного влияния на эффективность химиотерапии. Однако был показан высокий прогностический потенциал генов семейства ABCA.</p></abstract><trans-abstract xml:lang="en"><p>ABC-transporter family genes have been well studied and their involvement in the development of drug resistance has been assessed. The presence of aberrant conditions in these genes can affect the treatment and prognosis of the disease. Loss of heterozygosity (LOH) is one of these conditions; it is a common event in cancer development. therefore, The aim of this study was to investigate the relationship between LOH in ABC transporter genes in breast cancer and response to chemotherapy and disease prognosis. Material and methods. a total of 130 breast cancer patients were included in the study. microarray analysis was performed on Affymetrix Cytoscantm HD Array high-density DNA chips to assess LOH status. Chromosome Analysis Suite 4.1 software (Affymetrix, USA) was used to process microarray results. Results. Forty-nine ABC transporter genes were evaluated for LOH. the frequency of LOH ranged from 6.9 % to 90 %. an association analysis identified two genes: ABCG5 and ABCG8, in which the presence of LOH was associated with a lack of objective response to neoadjuvant chemotherapy. the presence of LOH in the ABCA5, ABCA6, ABCA8, ABCA9, ABCA10 and ABCC3 genes was associated with high rates of metastasis-free survival (log-rank test, p&lt;0.04). Conclusion. The presence of loss of heterozygosity in the ABC transporter genes was found to have no significant effect on the response to chemotherapy. However, a high prognostic potential of ABCA family genes was found.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>явление потери гетерозиготности</kwd><kwd>эффективность неоадъювантной химиотерапии</kwd><kwd>безметастатическая выживаемость</kwd><kwd>прогноз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>loss of heterozygosity</kwd><kwd>efficacy of neoadjuvant chemotherapy</kwd><kwd>metastasis-free survival</kwd><kwd>prognosis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа поддержана грантом РНФ № 22-15-00169.</funding-statement><funding-statement xml:lang="en">This work was supported by the Russian Science Foundation grant No. 22-15-00169</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">Tsyganov M.M., Ibragimova M.K., Gaptulbarova K.A., Tsydenova I.A., Dolgasheva D.S., Garbukov E.Y., Frolova A.A., Slonimskaya E.M., Litvyakov N.V. 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