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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">10.21294/1814-4861-2018-17-1-26-31</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-667</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>ТРАНСКРИПЦИОННЫЙ ФАКТОР BRN-3α И РАК ПРЕДСТАТЕЛЬНОЙ ЖЕЛЕЗЫ, СВЯЗЬ С ОСОБЕННОСТЯМИ ГОРМОНАЛЬНОЙ РЕЦЕПЦИИ И С УРОВНЕМ АКТИВАЦИИ AKT/M-TOR СИГНАЛЬНОГО ПУТИ</article-title><trans-title-group xml:lang="en"><trans-title>TRANSCRIPTION FACTOR BRN-3α AND PROSTATE CANCER, RELATION WITH HORMONE RECEPTORS AND AKT/M-TOR SIGNALING PATHWAY ACTIVATION</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>Спирина</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Spirina</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Спирина Людмила Викторовна - доктор медицинских наук, старший научный сотрудник лаборатории биохимии опухолей, SPIN-код: 1336-8363. ResercherID: A-7760-2012. Author ID: 36960462500.</p><p> </p><p>634009, Томск, пер. Кооперативный, 5; 634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Lyudmila V. Spirina - MD, DSc, Senior Researcher, Laboratory of Tumor Biochemistry, Cancer Research Institute TNRMC RAS, SPIN-code: 1336-8363. ResercherID: A-7760-2012. Author ID: 36960462500.</p><p>5, Kooperativny Str., 634009-Tomsk; Siberian State Medical University</p></bio><email xlink:type="simple">spirinalv@oncology.tomsk.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>Горбунов</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbunov</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбунов Алексей Константинович - младший научный сотрудник отделения общей онкологии, SPIN-код: 3590-6479.</p><p>634009, Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Alexey K. Gorbunov - MD, Researcher, General Oncology Department, Cancer Research Institute, SPIN-код: 3590-6479.</p><p>5, Kooperativny Str., 634009-Tomsk</p></bio><email xlink:type="simple">goorbunov@yandex.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>Кондакова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondakova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кондакова Ирина Викторовна - доктор медицинских наук, профессор, заведующая лабораторией биохимии опухолей, SPIN-код: 9338-4149. ResercherID: C-8658-2012. Author ID: 6701872510.</p><p>634009, Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Irina V. Kondakova - MD, DSc, Professor, Head of Tumor Biochemistry Laboratory, Cancer Research Institute, SPIN-code: 9338-4149. Resercher ID: C-8658-2012. Author ID: 6701872510.</p><p>5, Kooperativny Str., 634009-Tomsk</p></bio><email xlink:type="simple">kondakova@oncology.tomsk.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>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>Слонимская Елена Михайловна - доктор медицинских наук, профессор, заведующая отделением общей онкологии НИИО ТНИМЦ РАН; профессор кафедры онкологии СГМУ, SPIN-код: 7763-6417. ResearcherID: C-7405-2012. Author ID: 6603658443.</p><p>634009, Томск, пер. Кооперативный, 5; 634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Elena M. Slonimskaya - MD, DSc, Professor, Head of General Oncology Department, Cancer Research Institute TNRMC RAS; Professor of Oncology Department SSMU,SPIN-code: 7763-6417. Researcher ID: C-7405-2012. Author ID: 6603658443.</p><p>5, Kooperativny Str., 634009-Tomsk; Siberian State Medical University</p></bio><email xlink:type="simple">slonimskaya@yandex.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>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 - кандидат медицинских наук, старший научный сотрудник отделения общей онкологии, SPIN-код: 1804-0292. Author ID: 56204320500.</p><p>634009, Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Evgeny A. Usynin - MD, PhD, Senior Researcher, General Oncology Department, Cancer Research Institute, SPIN-code: 1804-0292. Author ID:56204320500.</p></bio><email xlink:type="simple">gusi@list.ru</email><xref ref-type="aff" rid="aff-2"/></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; Сибирский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences; Siberian State Medical University</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</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Cancer Research Institute, Tomsk National Research Medical Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>03</day><month>03</month><year>2018</year></pub-date><volume>17</volume><issue>1</issue><fpage>26</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Спирина Л.В., Горбунов А.К., Кондакова И.В., Слонимская Е.М., Усынин Е.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Спирина Л.В., Горбунов А.К., Кондакова И.В., Слонимская Е.М., Усынин Е.А.</copyright-holder><copyright-holder xml:lang="en">Spirina L.V., Gorbunov A.K., Kondakova I.V., Slonimskaya E.M., Usynin E.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/667">https://www.siboncoj.ru/jour/article/view/667</self-uri><abstract><sec><title>Введение</title><p>Введение. Транскрипционные факторы POU4F1 (нейрогенные факторы Brn-3α) играют значимую роль в развитии злокачественных новообразований. Цель исследования – изучение экспрессии транскрипционного фактора Brn-3α, андрогеновых (AR) и эстрогеновых рецепторов (ER) в ткани доброкачественной гиперплазии и рака предстательной железы и определении связи с уровнем активации AKT/mTOR сигнального пути.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В исследование было включено 30 больных местнораспространенным раком предстательной железы (РПЖ) T2–3N0M0, 15 пациентов с доброкачественной гиперплазией предстательной железы (ДГПЖ). Определение уровня экспрессии генов Brn-3α, AR, ERα, а также компонентов AKT/m-TOR сигнального пути проводилось методом ПЦР в реальном времени.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что увеличение экспрессии гена ядерного белка Brn-3α сопровождалось ростом уровня мРНК ERα в ткани рака предстательной железы. Экспрессия AR была высока в обеих группах больных. Выявлена активация AKT/m-TOR сигнального каскада: отмечены высокие уровни экспрессии AKT, а также m-TOR в трансформированных клетках. Однако отмечено отсутствие изменений фосфатазы PTEN при развитии патологических процессов предстательной железы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The transcription factor Brn-3α (product of the POU4F1) plays a significant role in carcinogenesis. The purpose of the study was to investigate Brn-3α, AR, ERα expressions in tissues of benign prostatic hyperplasia and prostate cancer as well as to determine their association with AKT/mTOR signaling pathway activation.</p></sec><sec><title>Material and methods</title><p>Material and methods. The study included 30 patients with locally advanced prostate cancer and 15 patients with benign prostatic hyperplasia. The expression levels of Brn-3α, AR, ERα and the components of AKT/m-TOR signaling pathway were determined using RT-PCR assay.</p></sec><sec><title>Results</title><p>Results. Overexpression of Brn-3α in prostate cancer tissues was found to be associated with high level of ERα mRNA. High expression of AR was revealed in tissues of benign prostatic hyperplasia and prostate cancer. High expression levels of AKT, m-TOR and PTEN were observed in prostate cancer tissues. However, no significant changes in PTEN mRNA level were found in tissues of prostatic hyperplasia. Conclusion. Brn-3α transcription factor was associated with prostate cancer and accompanied with high expression levels of ERα, AKT and m-TOR.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>транскрипционный фактор Brn-3α</kwd><kwd>рак предстательной железы</kwd><kwd>AR</kwd><kwd>ER</kwd><kwd>сигнальный путь AKT/m-TOR</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Brn-3α</kwd><kwd>transcription factor</kwd><kwd>prostate cancer</kwd><kwd>AR</kwd><kwd>ER</kwd><kwd>AKT/m-TOR signaling pathway</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">Budhram-Mahadeo V., Fujita R., Bitsi S., Sicard P., Heads R. Co-expression of POU4F2/Brn-3b with p53 may be important for controlling expression of pro-apoptotic genes in cardiomyocytes following ischaemic/hypoxic insults. 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