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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">10.21294/1814-4861-2016-15-5-9-17</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-400</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>Оценка предсказательной значимости рецептора сосудистого эндотелиального фактора роста VEGFR-2 у больных тройным негативным раком молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Predictive Significance of Vascular Endothelial Growth Factor receptor VEGF-2 in triple-negative breast cancer patients</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>Бабышкина</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Babyshkina</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, старший научный сотрудник лаборатории молекулярной онкологии и иммунологии, Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>MD, PhD, Senior Researcher, Molecular Oncology and Immunology Laboratory, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">nbabyshkina@mail.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>Завьялова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavyalova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующая кафедрой патологической анатомии, ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>DSc, Professor, Senior Researcher of the Department of Pathological Anatomy and Cytology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences; Head of Pathological Anatomy Department of Siberian State Medical University (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">zavyalovamv@mail.ru</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>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>кандидат медицинских наук, врач-ординатор отделения общей онкологии, Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>MD, PhD, physician, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">rungis@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дронова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dronova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант Института биологии, Национальный исследовательский Томский государственный университет (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>undergraduate, Biology Institute of the National Research Tomsk State University (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">tanyadronova@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Слонимская</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Slonimskaya</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор, заведующая отделением общей онкологии, Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>DSc, Professor, Head of General Oncology Department, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">slonimskaya@rambler.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>Чердынцева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherdyntseva</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, профессор, заведующая лабораторией молекулярной онкологии и иммунологи, Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук (г. Томск, Российская Федерация)</p></bio><bio xml:lang="en"><p>DSc, Professor, Deputy Director for Basic Science, Head of Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences (Tomsk, Russian Federation)</p></bio><email xlink:type="simple">nvch@oncology.tomsk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр РАН, г. Томск 634009, г. Томск, пер. Кооперативный, 5&#13;
&#13;
Национальный исследовательский Томский государственный университет, г. Томск<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia 5, Kooperativny Street, 634009-Tomsk, Russia&#13;
&#13;
National Research Tomsk State University, Tomsk, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр РАН, г. Томск 634009, г. Томск, пер. Кооперативный, 5&#13;
 &#13;
Национальный исследовательский Томский государственный университет, г. Томск&#13;
&#13;
ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России, г. Томск<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia 5, Kooperativny Street, 634009-Tomsk, Russia&#13;
&#13;
National Research Tomsk State University, Tomsk, Russia&#13;
&#13;
Siberian State Medical University, Tomsk, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр РАН, г. Томск 634009, г. Томск, пер. Кооперативный, 5<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia 5, Kooperativny Street, 634009-Tomsk, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><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, Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>17</day><month>11</month><year>2016</year></pub-date><volume>15</volume><issue>5</issue><fpage>9</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бабышкина Н.Н., Завьялова М.В., Брагина О.Д., Дронова Т.А., Слонимская Е.М., Чердынцева Н.В., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Бабышкина Н.Н., Завьялова М.В., Брагина О.Д., Дронова Т.А., Слонимская Е.М., Чердынцева Н.В.</copyright-holder><copyright-holder xml:lang="en">Babyshkina N.N., Zavyalova M.V., Bragina O.D., Dronova T.A., Slonimskaya E.M., Cherdyntseva N.V.</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/400">https://www.siboncoj.ru/jour/article/view/400</self-uri><abstract><sec><title>Введение</title><p>Введение. Поиск информативных молекулярно-генетических маркеров тройного негативного рака молочной железы, обладающих высокой предсказательной значимостью в отношении ответа опухоли на проводимую терапию, является актуальной научной задачей.</p><p>Целью исследования явилось изучение взаимосвязи экспрессии рецепторов сосудистого эндотелиального фактора роста VEGFR-2 и полиморфных вариантов гена KDR с эффективностью неоадъювантной химиотерапии (НАХТ) у больных тройным негативным раком молочной железы.</p></sec><sec><title>Методы</title><p>Методы. В исследование включено 70 больных операбельным тройным негативным раком молочной железы (T1–3N0–3M0), получавших 2–4 курса НАХТ по схемам FAC и CAX. Оценка эффективности НАХТ осуществлялась по шкале RECIST. Уровень экспрессии VEGFR-2 оценивался иммуногистохимическим методом. Изучение полиморфных вариантов гена KDR (rs2071559, rs2305948) проведено с помощью ПЦР в режиме реального времени.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что достижение полных морфологических регрессий на фоне проведения НАХТ ассоциировано с возрастом до 50 лет (р=0,0044) и высоким уровнем экспрессии Ki67 (≥20) (р=0,0322). Отмечено, что у пациентов, получавших лечение по схеме CAX, эффективность НАХТ была значимо выше по сравнению с группой больных, получавших FAC режим (р=0,0246). Кроме того, все случаи полной морфологической регрессии были ассоциированы с отсутствием экспрессии VEGFR-2 в опухолевой ткани после оперативного лечения (р=0,0000). Наличие экспрессии VEGFR-2 (негативной или позитивной) в опухолевой ткани до лечения сопряжено с полиморфизмом гена KDR rs2071559 (r=−0,297; p=0,0273). Выявлена значимая корреляционная связь между KDR rs2071559 и уровнем экспрессии VEGFR-2 (менее 70, 70 % и более) в опухолевой ткани до лечения (r=−0,314; p=0,0297). Результаты многофакторного логистического регрессионного анализа свидетельствуют, что молодой возраст пациенток (≤50 лет), отсутствие экспрессии VEGFR-2 после операции и схема CAX являются статистически значимыми предикторами эффективности НАХТ.</p></sec><sec><title>Заключение</title><p>Заключение. Уровень экспрессии VEGFR-2 в опухолевой ткани и полиморфные варианты гена KDR могут рассматриваться в качестве новых дополнительных предсказательных молекулярных критериев у больных тройным негативным раком молочной железы при проведении НАХТ.</p></sec></abstract><trans-abstract xml:lang="en"><p>The identification of informative biomarkers that are able to predict prognosis and treatment response may be particularly important in triple negative breast cancer.</p><p>The aim of the study was to investigate the relationship between vascular endothelial growth factor receptor VEGFR-2 expression and KDR gene polymorphisms with the efficacy of neoadjuvant chemotherapy (NAC) in patients with triple negative breast cancer.</p><sec><title>Methods</title><p>Methods. The study included 70 patients with triple negative operable breast cancer (T1–3N0–3M0), who had received 2–4 cycles of FAC and CAX regimens. The pathologic complete response (pCR) to treatment was determined by RECIST. VEGFR-2 expression level was evaluated using immunohistochemistry. Genotypes for KDR (rs2071559, rs2305948) were detected by a Real-time PCR.</p></sec><sec><title>Results</title><p>Results. The pCR rate was significantly associated with young age at diagnosis (≤50 years) (p=0.0044), a high level of Ki67 expression (≥20) (p=0.0322) and with CAX regimen (p=0.0246). Additionally, all patients with pCR had the lack of VEGFR-2 expression in tumor tissue after surgery (p=0.0000). The presence of the VEGFR-2 expression (negative or positive) in tumor tissue before NAC was associated with KDR rs2071559 (r=−0.297; p=0.0273). A significant correlation between the KDR rs2071559 and VEGFR-2 expression level (less than 70, 70% or more) in the tumor tissue before NAC was found (r=−0.314; p=0.0297). Multivariate logistic regression analysis showed that the young age of the patients (≤50 years), the lack of VEGFR-2 expression after surgery and CAX regimen were significant predictors of NAC.</p></sec><sec><title>Conclusion</title><p>Conclusion. The VEGFR-2 expression level in tumor tissue and KDR gene polymorphism can be considered as new additional molecular predictive markers of pathologic complete response to NAC in triple negative breast cancer patients.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>тройной негативный рак молочной железы</kwd><kwd>неоадъювантная химиотерапия</kwd><kwd>предсказательные маркеры</kwd><kwd>рецептор сосудистого эндотелиального фактора роста VEGFR-2</kwd><kwd>полиморфизм генов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>triple negative breast cancer</kwd><kwd>neoadjuvant chemotherapy</kwd><kwd>predictive markers</kwd><kwd>vascular endothelial growth factor receptor VEGFR-2</kwd><kwd>gene polymorphisms</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">Brouckaert O., Wildiers H., Floris G., Neven P. 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