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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">ssmu</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень сибирской медицины</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Siberian Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-0363</issn><issn pub-type="epub">1819-3684</issn><publisher><publisher-name>Siberian State Medical University, the Ministry of Healthcare of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20538/1682-0363-2018-3-96-104</article-id><article-id custom-type="elpub" pub-id-type="custom">ssmu-1288</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL PAPERS</subject></subj-group></article-categories><title-group><article-title>Убиквитин и регуляция апоптоза опухолевых клеток линии Jurkat</article-title><trans-title-group xml:lang="en"><trans-title>Ubiquitin and regulation of apoptosis in Jurkat cells</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7441-5554</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Носарева</surname><given-names>О. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Nosareva</surname><given-names>O. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Носарева Ольга Леонидовна - кандидат медицинских наук, доцент, кафедра биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Nosareva Оlga L. - PhD, Аssociate Рrofessor, Division of Biochemistry and Molecular Biology including Clinical Laboratory Medicine.</p><p>2, Moskow Trakt, Tomsk, 634050</p></bio><email xlink:type="simple">olnosareva@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9339-6304</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степовая</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepovaya</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Степовая Елена Алексеевна - докторр медицинских наук, профессор, кафедра биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Stepovaya Elena А. - DM, Рrofessor, Division of Biochemistry and Molecular Biology including Clinical Laboratory Medicine.</p><p>2, Moskow Trakt, Tomsk, 634050</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>Рязанцева</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryazantseva</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рязанцева Наталья Владимировна - докторр медицинских наук, профессор, ведущий научный сотрудник, лаборатория биолюминесцентных биотехнологий, Институт фундаментальной биологии и биотехнологии.</p><p>660041, Красноярск, пр. Свободный, 79</p></bio><bio xml:lang="en"><p>Ryazantseva Nataliyа V. - DM, Рrofessor, Leading Research Scientist, Laboratory of Bioluminescent Biotechnologies.</p><p>79, Svobodny Av., Krasnoyarsk, 660041</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2938-1137</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шахристова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakhristova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шахристова Евгения Викторовна - кандидат медицинских наук, доцент, кафедра биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Shakhristova Evgeniya V. - PhD, Аssociate Рrofessor, Division of Biochemistry and Molecular Biology including Clinical Laboratory Medicine.</p><p>2, Moskow Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7525-0176</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орлов</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Orlov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Орлов Дмитрий Сергеевич - ассистент, кафедра биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Orlov Dmitry S. - Аssistant, Division of Biochemistry and Molecular Biology including Clinical Laboratory Medicine.</p><p>2, Moskow Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9577-8370</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новицкий</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novitsky</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новицкий Вячеслав Викторович - докторр медицинских наук, профессор, академик РАН, кафедра патофизиологии.</p><p>634050, Томск, Московский тракт, 2</p></bio><bio xml:lang="en"><p>Novitskiy Vyacheslav V. - DМ, Professor, Academician of RAS, Pathophysiology Department.</p><p>2, Moskow Trakt, Tomsk, 634050</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University (SSMU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal University (SFU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2018</year></pub-date><volume>17</volume><issue>3</issue><fpage>96</fpage><lpage>104</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Носарева О.Л., Степовая Е.А., Рязанцева Н.В., Шахристова Е.В., Орлов Д.С., Новицкий В.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Носарева О.Л., Степовая Е.А., Рязанцева Н.В., Шахристова Е.В., Орлов Д.С., Новицкий В.В.</copyright-holder><copyright-holder xml:lang="en">Nosareva O.L., Stepovaya E.A., Ryazantseva N.V., Shakhristova E.V., Orlov D.S., Novitsky V.V.</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://bulletin.ssmu.ru/jour/article/view/1288">https://bulletin.ssmu.ru/jour/article/view/1288</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Одной из актуальных задач медицины является изучение молекулярных механизмов селективного управления апоптотической гибелью опухолевых клеток в результате конформационных изменений белковых молекул (убиквитинилирования). Цель исследования: установить роль убиквитина и убиквитинлигазы в дексаметазон-индуцированном апоптозе опухолевых клеток линии Jurkat.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Интактные и культивированные при дополнительном добавлении индуктора апоптоза дексаметазона в конечной концентрации 10 мкМ опухолевые клетки линии Jurkat. Методом проточной цитофлуориметрии в интактных опухолевых клетках линии Jurkat и после предварительного воздействия дексаметазоном проводили оценку реализации апоптоза с использованием FITС-меченного аннексина V и пропидия иодида, количества FASи TNF-рецептор 1 положительных клеток со сниженным митохондриальным потенциалом. Методом вестерн-блоттинга определяли содержание транскрипционных факторов NF-κB, Apaf-1; убиквитина и убиквитинлигазы; активность каспазы-3 регистрировали спектрофлуориметрическим методом.</p></sec><sec><title>Результаты</title><p>Результаты. При добавлении дексаметазона – индуктора апоптоза – в среду культивирования опухолевых клеток линии Jurkat установлено снижение концентрации убиквитина и возрастание содержания убиквитинлигазы на фоне активации рецепторного (увеличение доли аннексин-, FASи TNFрецептор 1 положительных клеток) и митохондриального (возрастание числа клеток со сниженным митохондриальным потенциалом и содержания транскрипционного фактора Apaf-1) путей апоптоза по сравнению с интактной культурой опухолевых клеток. Завершенность апоптоза оценивали, определяя активность каспазы-3 в изучаемых клетках.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. One of the crucial tasks in medicine is studying the molecular mechanisms of selective management of tumor cell apoptosis following conformational changes in protein molecules (ubiquitination).</p></sec><sec><title>The purpose of the study</title><p>The purpose of the study. The aim of the project is to establish the role of ubiquitin and ubiquitinligase in dexamethasone-induced apoptosis in Jurkat cells.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study was carried out on the Jurkat tumor cell line (intact cells and cells cultured in the presence of an apoptosis inducer dexamethasone in the final concentration of 10 µmol. In intact and dexamethasone-affected Jurkat cells, implementation of apoptosis and the amount of FAS-, TNF Receptor 1 and cells with reduced mitochondrial membrane potential were assessed by flow cytometry using FITC-conjugated Annexin V and Propidium Iodide. The levels of NF-κB, Apaf-1, ubiquitin and ubiquitin ligase were determined by Western blot analysis. The activity of caspase-3 was measured by spectrofluorometry.</p></sec><sec><title>Results</title><p>Results. When adding the apoptosis inducer dexamethasone to the Jurkat cell culture, we registered a fall in the concentration of ubiquitin and a rise in the level of ubiquitinligase against the backdrop of activated receptor(an increase in the amount of Annexin V positive cells, FASand TNF Receptor 1) and mitochondrialmediated (an increase in the number of cells with reduced mitochondrial membrane potential and elevation of Apaf-1 level) pathways of apoptosis, as opposed to the intact cell culture. We estimated the completion of apoptosis by determining the activity of caspase-3 in the investigated tumor cells.</p></sec><sec><title>Conclusion</title><p>Conclusion. The obtained findings allow the conclusion that ubiquitination of regulatory and effector proteins in programmed cell death is one of the molecular mechanisms that regulates and selectively controls apoptosis in Jurkat cells.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>убиквитин</kwd><kwd>убиквитинлигаза</kwd><kwd>апоптоз</kwd><kwd>дексаметазон</kwd><kwd>опухолевые клетки линии Jurkat</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ubiquitin</kwd><kwd>ubiquitinligase</kwd><kwd>apoptosis</kwd><kwd>dexamethasone</kwd><kwd>Jurkat tumor cells</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Грант Президента Российской Федерации для государственной поддержки молодых российских ученых – кандидатов наук (грант № МК-1742.2017.7)</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">Hampton M.B., O’Connor K.M. 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