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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-2017-1-89-94</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-1169</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>РОЛЬ Treg-КЛЕТОК В АДЕНОЗИН-ОПОСРЕДОВАННОЙ ИММУННОЙ СУПРЕССИИ ПРИ КОЛОРЕКТАЛЬНОМ РАКЕ</article-title><trans-title-group xml:lang="en"><trans-title>SIGNIFICANCE OF Treg CELLS FOR ADENOSINE-MEDIATED IMMUNE SUPPRESSION IN COLORECTAL CANCER</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>Жулай</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhulai</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник группы иммунологии,</p><p>185014, Республика Карелия, г. Петрозаводск, ул. Пушкинская, 11</p></bio><bio xml:lang="en"><p>Junior Research Associate, Immunology Group,</p><p>185910, Karelia, Petrozavodsk, Pushkinskaya str., 11</p></bio><email xlink:type="simple">zhgali-111@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>Олейник</surname><given-names>Е. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Oleinik</surname><given-names>E. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., главный научный сотрудник, заведующая группой иммунологии,</p><p>г. Петрозаводск</p></bio><bio xml:lang="en"><p>PhD, MD (Biology), Chief Research Associate, Head, Immunology Group,</p><p>Petrozavodsk</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>Чуров</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Churov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., научный сотрудник группы иммунологии,</p><p>г. Петрозаводск</p></bio><bio xml:lang="en"><p>PhD (Biology), Research Associate, Immunology Group,</p><p>Petrozavodsk</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>Романов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач хирург-онколог,</p><p>г. Петрозаводск</p></bio><bio xml:lang="en"><p>Oncology Surgeon,</p><p>Petrozavodsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кравченко (Семакова)</surname><given-names>П. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kravchenko (Semakova)</surname><given-names>P. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник группы иммунологии,</p><p>г. Петрозаводск</p></bio><bio xml:lang="en"><p>Junior Research Associate, Immunology Group,</p><p>Petrozavodsk</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>Олейник</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Оleinik</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., ведущий научный сотрудник группы иммунологии,</p><p>г. Петрозаводск</p></bio><bio xml:lang="en"><p>PhD, MD (Biology), Leading Research Associate, Immunology Group,</p><p>Petrozavodsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБУН «Институт биологии Карельского научного центра» РАН<country>Россия</country></aff><aff xml:lang="en">Institute of Biology of Karelian Research Centre, Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ГБУЗ «Республиканский онкологический диспансер»<country>Россия</country></aff><aff xml:lang="en">Republican Cancer Dispensary<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>24</day><month>01</month><year>2017</year></pub-date><volume>19</volume><issue>1</issue><fpage>89</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жулай Г.А., Олейник Е.К., Чуров А.В., Романов А.А., Кравченко (Семакова) П.Н., Олейник В.М., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Жулай Г.А., Олейник Е.К., Чуров А.В., Романов А.А., Кравченко (Семакова) П.Н., Олейник В.М.</copyright-holder><copyright-holder xml:lang="en">Zhulai G.A., Oleinik E.K., Churov A.V., Romanov A.A., Kravchenko (Semakova) P.N., Оleinik V.M.</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.mimmun.ru/mimmun/article/view/1169">https://www.mimmun.ru/mimmun/article/view/1169</self-uri><abstract><p>В настоящее время активно исследуется иммуносупрессорная роль внеклеточного аденозина при канцерогенезе. Колоректальный рак является одним из наиболее распространенных типов злокачественных новообразований в России и в мире, однако роль участников (CD39, CD73, A2AR) аденозин-опосредованной иммуносупрессии у больных колоректальным раком пока не ясна. В работе исследовали уровень мРНК генов A2AR, эктонуклеотидаз СD39 и CD73 (гидролизующих АТФ до аденозина) в лейкоцитах больных колоректальным раком. Показано, что у больных содержание мРНК CD39 увеличивается в процессе развития заболевания, тогда как для CD73 значительных различий по сравнению со здоровыми донорами не было. У больных с поздними стадиями колоректального рака отмечено повышение экспрессии мРНК A2AR, что может свидетельствовать об активации аденозин-A2AR иммуносупрессорного механизма. Кроме того, при развитии колоректального рака усиливается экспрессия молекулы CD39 на Т-клетках. Наиболее значительное изменение экспрессии CD39 как на Т-хелперах, так и на Treg-клетках отмечено на поздних стадиях колоректального рака. Также обнаружена прямая корреляция между экспрессией эктонуклеотидазы CD39 на CD4+CD25+CD127lo/-Treg-клетках и изменением уровня мРНК A2AR лейкоцитов онкологических больных.</p></abstract><trans-abstract xml:lang="en"><p>At the present time, immunosuppressive role of extracellular adenosine in carcinogenesis is actively investigated. Colorectal cancer is one of the most common types of malignant neoplasms in Russia and worldwide, but the role of mediators of adenosine-dependent immunosuppression, such as CD39 (that hydrolyze ATP to adenosine), CD73, A2AR, is not yet clear in patients with colorectal cancer. The levels of specific mRNAs for A2AR, ectonucleotidase CD39, and CD73 genes were assayed in white blood cells of the patients with colorectal cancer. The results have shown that the CD39 mRNA content is increased in the patients with colorectal cancer in the course of the disease progression. Meanwhile, no significant difference for CD73 gene expression was found between the patients and healthy donors. Moreover, an increase in A2AR mRNA expression was noted for the patients with advanced colorectal cancer, thus presuming potential activation of adenosine-A2AR-mediated immunosuppressive mechanism. Furthermore, the CD39 expression on T cells was elevated in parallel to the cancer progression. The most significant changes in CD39 expression were observed for both T helper and Treg cell populations at the late stages of colorectal cancer. Similarly, a direct correlation was revealed between CD39 expression on CD4+CD25+CD127lo/-Treg cells, and changes of A2AR mRNA levels in leukocytes from the cancer patients.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Treg-клетки</kwd><kwd>эктонуклеотидаза CD39</kwd><kwd>A2AR</kwd><kwd>колоректальный рак</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Treg cells</kwd><kwd>CD39 ectonucleotidase</kwd><kwd>A2AR</kwd><kwd>colorectal cancer</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>РФФИ, бюджетная тем № 0221-2014-0011</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">Жулай Г.А., Олейник Е.К., Романов А.А., Олейник В.М., Чуров А.В., Кравченко П.Н. Циркулирующие регуляторные Т-клетки и изменения в субпопуляционном составе лимфоцитов у больных колоректальным раком // Вопросы онкологии, 2016. Т. 62, № 1. С. 96-100. 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