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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">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</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">416</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2015-1-12-17</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>MAMMOLOGY. TOPICAL ISSUE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>МАММОЛОГИЯ. АКТУАЛЬНАЯ ТЕМА</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">OSTEOPROTEGERIN AS A PREDICTIVE MARKER OF THE COURSE OF BREAST CANCER</article-title><trans-title-group xml:lang="ru"><trans-title>ОСТЕОПРОТЕГЕРИН КАК ПРОГНОСТИЧЕСКИЙ МАРКЕР ТЕЧЕНИЯ РАКА МОЛОЧНОЙ ЖЕЛЕЗЫ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zabroda</surname><given-names>S. I.</given-names></name><name xml:lang="ru"><surname>Заброда</surname><given-names>С. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold><italic> </italic></bold><bold><italic> </italic></bold></p></bio><email>zabrodasergey@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Maslyukova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Маслюкова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff3"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korytova</surname><given-names>L. I.</given-names></name><name xml:lang="ru"><surname>Корытова</surname><given-names>Л. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff5"/><xref ref-type="aff" rid="aff6"/><xref ref-type="aff" rid="aff10"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pozharisskiy</surname><given-names>K. M.</given-names></name><name xml:lang="ru"><surname>Пожарисский</surname><given-names>К. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff10"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Raskin</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Раскин</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff10"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korytov</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Корытов</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff10"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Research Center of Radiology and Surgery Technologies, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">70 Leningradskaya St., village Pesochny, Saint-Petersburg, 197758, Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский научный центр радиологии и хирургических технологий» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian Research Center of Radiology and Surgery Technologies, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Россия, 197758, Санкт-Петербург, пос. Песочный, ул. Ленинградская, 70</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">70 Leningradskaya St., village Pesochny, Saint-Petersburg, 197758, Russia</institution></aff><aff><institution xml:lang="ru"></institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Russian Research Center of Radiology and Surgery Technologies, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский научный центр радиологии и хирургических технологий» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">70 Leningradskaya St., village Pesochny, Saint-Petersburg, 197758, Russia</institution></aff><aff><institution xml:lang="ru">Россия, 197758, Санкт-Петербург, пос. Песочный, ул. Ленинградская, 70</institution></aff></aff-alternatives><aff-alternatives id="aff7"><aff><institution xml:lang="en">70 Leningradskaya St., village Pesochny, Saint-Petersburg, 197758, Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский научный центр радиологии и хирургических технологий» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff8"><aff><institution xml:lang="ru">ФГБУ «Российский научный центр радиологии и хирургических технологий» Минздрава России</institution></aff><aff><institution xml:lang="en">S.M. Kirov Military Medical Academy, Ministry of Defense of Russia</institution></aff></aff-alternatives><aff-alternatives id="aff9"><aff><institution xml:lang="ru">Россия, 197758, Санкт-Петербург, пос. Песочный, ул. Ленинградская, 70</institution></aff><aff><institution xml:lang="en">6 Akademika Lebedeva St., Saint-Petersburg, 195009, Russia</institution></aff></aff-alternatives><aff id="aff10"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="2015-04-29" publication-format="electronic"><day>29</day><month>04</month><year>2015</year></pub-date><volume>11</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>12</fpage><lpage>17</lpage><history><date date-type="received" iso-8601-date="2015-04-30"><day>30</day><month>04</month><year>2015</year></date><date date-type="accepted" iso-8601-date="2015-04-30"><day>30</day><month>04</month><year>2015</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/416">https://ojrs.abvpress.ru/ojrs/article/view/416</self-uri><abstract xml:lang="en"><p><italic>Despit</italic><italic>e </italic><italic>th</italic><italic>e considerable progress in research of breast cancer (BC), taking into consideration the division into molecular subtypes, the mechanics of metastasis development in BC patients are not definitely investigated, especially at favorable prognosis. Research of new informative diagnostic and prognostic markers represents the modern problems of BC pathology in a new way.</italic></p><p><italic>Thi</italic><italic>s paper is devoted to study of osteoprotegerin (OPG) expression levels in tumor cells in BC patients. The study covered 83 female patients with regional BC (T2–4N0–3M0), treated from 2003 to 2010. The inclusion criteria were histologically proved diagnosis of invasive BC, age over 18 y. o., ECOG 0 or 1. In order to study OPG levels, we carried out immune histochemical test, which was carried out according to standard protocol on the sections of biopsy material. The OPG antibody from GeneTex, used in the study, was rabbit polyclonal, dilution 1:1000, incubation time – 30 minutes. Vizualization system was Real EnVision, anti-rabbit (by DAKO, Denmark). Immunohistochemical staining was studied by counting of number of positive cells in reference to total number of malignant cells. Expression over 50 % of cells was regarded as high, less than 50 % – as low. Average value of OPG expression level was 49 %, median – 50 %. Minimal value – 0 %, maximum value – 90 %. The patients were divided into 2 groups according their expression levels: Group 1 – OPG (high) expression (more than median), Group 2 – OPG (low) expression (less than median). OPG (high) Group was made by 47 patients, OPG (low) Group – by 36. When analyzing clinical and pathological characteristics of BC patients, taking into consideration OPG expression, there were noticed no reliable differences with respect to availability  </italic><italic>o</italic><italic>r absence </italic><italic>o</italic><italic>f affected regional lymph nodes, category T and Ki-67 indice. The group with positive estogen-progesteron receptors showed reliably more often the high values of OPG than the group with negative receptors (p &lt; 0,05). When analyzing the duration till the progression and overall survival, a difference between the survival and time to progression (rise of metastases) in patients with low OPG levels and the same exponents in patients with high OPG levels was established.</italic></p></abstract><trans-abstract xml:lang="ru"><p><italic>Несмотря на значительный прогресс в исследовании рака молочной железы (РМЖ) с учетом разделения на молекулярные подтипы, механизмы образования метастазов у больных РМЖ остаются до конца не изученными, особенно при наличии благоприятного прогноза. Изучение новых информативных диагностических и прогностических маркеров по-новому представляет современные проблемы патологии РМЖ.</italic></p><p><italic>Работа посвящена изучению уровня экспрессии остеопротегерина (</italic><italic>O</italic><italic>PG</italic><italic>) </italic><italic>в клетках опухоли у больных РМЖ. В исследование были включены 83 пациентки с местно-распространенным РМЖ (</italic><italic>T</italic><italic>2–4</italic><italic>N</italic><italic>0–3</italic><italic>M</italic><italic>0), </italic><italic>получавшие лечение с 2003 по 2010 г. Критериями включения являлись: гистологически подтвержденный диагноз инвазивного РМЖ, возраст старше 18 лет, </italic><italic>ECOG</italic><italic> </italic><italic>0 или 1. В целях изучения уровня </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>проводилось </italic><italic>иммуногистохимическое исследование по стандартному протоколу на срезах биопсийного материала. Антитело к </italic><italic>O</italic><italic>P</italic><italic>G</italic><italic> </italic><italic>использовалос</italic><italic>ь фирмы </italic><italic>Gene</italic><italic>T</italic><italic>ex</italic><italic>, было кроличьим поликлональным, разведение 1:1000, инкубация 30 мин; система визуализации – </italic><italic>Real</italic><italic> </italic><italic>EnVision</italic><italic>, </italic><italic>anti</italic><italic>-</italic><italic>rabbit</italic><italic> </italic><italic>(фирма </italic><italic>D</italic><italic>A</italic><italic>K</italic><italic>O</italic><italic>, Дания). Оценка иммуногистохимического окрашивания осу- ществлялась путем подсчета числа позитивных клеток относительно общего числа опухолевых клеток. Экспрессия более чем 50 % клеток расценивалась как высокая, менее 50 % – низкая. Среднее значение уровня экспрессии </italic><italic>O</italic><italic>P</italic><italic>G</italic><italic> </italic><italic>составил</italic><italic>о 49 %, медиана – 50 %. Минимальное значение – 0 %, максимальное – 90 %. По уровню экспрессии больные были разделены на 2 группы: 1-я – с высокой экспрессией </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>(</italic><italic>high</italic><italic>) (больше медианы), 2-я – </italic><italic>c</italic><italic> </italic><italic>низкой экспрессией </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>(</italic><italic>low</italic><italic>) (меньше медианы). В группу </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>(</italic><italic>high</italic><italic>) вошли 47 пациенток, в группу </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>(</italic><italic>low</italic><italic>) – 36. При анализе клинико-патологических характеристик больных РМЖ с учетом экспрессии </italic><italic>O</italic><italic>PG</italic><italic> </italic><italic>не было отмечено каких-либо достоверных различий в отношении наличия или отсутствия пораженных регионарных лимфатических узлов, категории </italic><italic>T</italic><italic> </italic><italic>и индекса </italic><italic>Ki</italic><italic>-67. В группе с положительными эстроген-прогестероновыми рецепторами высокие значения </italic><italic>O</italic><italic>P</italic><italic>G</italic><italic> </italic><italic>встречалис</italic><italic>ь достоверно чаще, чем в группе с отрицательными рецепторами (</italic><italic>p</italic><italic> </italic><italic>&lt; 0,05). Анализируя продолжительность времени до прогрессирования и общей выживаемости, установлено, что имеет место различие в выживаемости и времени до прогрессирования (возникновения метастазов) у пациентов с низким уровнем </italic><italic>O</italic><italic>P</italic><italic>G</italic><italic> </italic><italic>п</italic><italic>о сравнению с аналогичными показателями у больных с высоким </italic><italic>O</italic><italic>PG</italic><italic>.</italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>osteoprotegerin</kwd><kwd>breast cancer</kwd><kwd>progression (metastases)</kwd><kwd>receptor activator for nuclear factor kappa-В</kwd><kwd>receptor activator for nuclear factor kappa-В ligand</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>остеопротегерин</kwd><kwd>рак молочной железы</kwd><kwd>прогрессирование (метастазы)</kwd><kwd>рецептор-активатор ядерного фактора каппа-В</kwd><kwd>лиганд рецептора-активатора ядерного фактора каппа-В</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. 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