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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский онкологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-9984</issn><issn publication-format="electronic">2412-9119</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">40328</article-id><article-id pub-id-type="doi">10.18821/1028-9984-2017-22-1-39-43</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">THE ROLE OF GENES RAD50 AND SMARCA5 IN REGULATION OF SENSITIVITY TO CISPLATIN IN TUMOR CELLS OF OVARIAN, HEAD AND NECK CANCER</article-title><trans-title-group xml:lang="ru"><trans-title>РОЛЬ ГЕНОВ RAD50 И SMARCA5 В РЕГУЛЯЦИИ ЧУВСТВИТЕЛЬНОСТИК ЦИСПЛАТИНУ ОПУХОЛЕВЫХ КЛЕТОК РАКА ЯИЧНИКАИ РАКА ГОЛОВЫ И ШЕИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gaponova</surname><given-names>A. V</given-names></name><name xml:lang="ru"><surname>Гапонова</surname><given-names>Анна Владиславовна</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник кафедры биохимии; 420008, г. Казань, ул. Кремлевская, д. 18</p></bio><email>annagaponova28@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Serebriiskii</surname><given-names>I. G</given-names></name><name xml:lang="ru"><surname>Серебрийский</surname><given-names>И. Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kiyamova</surname><given-names>R. G</given-names></name><name xml:lang="ru"><surname>Киямова</surname><given-names>Р. Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan Federal University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВПО «Казанский (Приволжский) федеральный университет»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2017</year></pub-date><volume>22</volume><issue>1</issue><issue-title xml:lang="en">VOL 22, NO1 (2017)</issue-title><issue-title xml:lang="ru">ТОМ 22, №1 (2017)</issue-title><fpage>39</fpage><lpage>43</lpage><history><date date-type="received" iso-8601-date="2020-07-22"><day>22</day><month>07</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, ООО "Эко-Вектор"</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://rjonco.com/1028-9984/article/view/40328">https://rjonco.com/1028-9984/article/view/40328</self-uri><abstract xml:lang="en"><p>Aim of the study. To assess the role of genes RAD50 and SMARCA5 in regulation of sensitivity to cisplatin and other anticancer DNA damaging drugs (5-fluorouracil, olaparib), to assess the role of these genes in the response to the DNA damage in ovarian cancer (OVCAR-8) and head and neck cancer cell lines (SCC61, SCC25). Material and Methods. We used small interfering RNAs (siRNAs) (Qiagen,Germany) to deplete either RAD50 and SMARCA5 or control genes and under basal and DNA damaging drug-treatment conditions, we assessed cell viability with the use of Cell Titer Blue reagent (Promega,USA) with following spectrophotometry. To assess the role of genes in response to DNA damage, analysis of phospho-H2AX focus formation was performed by means of using immunofluorescence microscopy. Results. We demonstrated the role of RAD50 and SMARCA5 in regulation of survival and sensitivity of ovarian cancer (OVCAR-8), head and neck cancer cell lines (SCC61, SCC25) to cisplatin and other DNA damaging drugs (5-fluorouracil, olaparib). Our data suggest the role of SMARCA5 in regulation of baseline histone H2AX protein phosphorylation in the absence of DNA damage. Conclusion. Our findings characterize genes RAD50 and SMARCA5 as promising therapeutic targets and predictive markers for response to cisplatin and other DNA damaging drugs in patients with ovarian cancer and squamous cell carcinoma of head and neck.</p></abstract><trans-abstract xml:lang="ru"><p>Цель исследования - оценка влияния генов RAD50 и SMARCA5 на чувствительность к цисплатину и другим ДНК-повреждающим агентам, используемым в терапии опухолевых заболеваний (5-фторурацил, олапариб), оценка роли данных генов в регуляции ответа на повреждение ДНК в клеточных линиях рака яичника (OVCAR8) и головы и шеи (SCC61, SCC25). Материал и методы. Нами была выполнена трансфекция опухолевых клеток малыми интерферирующими РНК (миРНК) («Qiagen», Германия) для осуществления нокдауна генов RAD50 и SMARCA5, а также контрольных генов. Выживаемость опухолевых клеток в присутствии и отсутствие ДНК-повреждающих агентов оценивали спектрофотометрическим методом с использованием реагента CellTiterBlue («Promega», США). Для оценки роли RAD50 и SMARCA5 в регуляции ответа на повреждение ДНК мы выполнили анализ фосфорилирования гистонового белка H2AX методом иммунофлуоресцентной микроскопии. Результаты. Нами было показано влияние генов RAD50 и SMARCA5 на выживаемость опухолевых клеток и регуляцию чувствительности к цисплатину и другим ДНК-повреждающим агентам (5-фторурацил, олапариб) в клеточных линиях рака головы и шеи (SCC61, SCC25) и рака яичника (OVCAR-8). Полученные данные указывают на роль SMARCA5 в регуляции базового уровня фосфорилирования гистонового белка H2AX в отсутствие повреждения ДНК. Заключение. Полученные нами данные характеризуют гены RAD50 и SMARCA5 как перспективные терапевтические мишени в лечении и предиктивные маркеры ответа на терапию цисплатином и другими ДНК-повреждающими препаратами у пациентов с плоскоклеточной карциномой головы и шеи и раком яичника.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ovarian cancer</kwd><kwd>head and neck cancer</kwd><kwd>cisplatin</kwd><kwd>chemotherapy</kwd><kwd>DNA repair</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак яичника</kwd><kwd>опухоли головы и шеи</kwd><kwd>цисплатин</kwd><kwd>химиотерапия</kwd><kwd>репарация ДНК</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Chu G. Cellular responses to cisplatin. The roles of DNA-binding proteins and DNA repair. J. Biol. Chem. 1994; 269(2): 787-90.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Perez R.P. Cellular and molecular determinants of cisplatin resistance. Eur. J. 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