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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">10.21294/1814-4861-2018-17-6-78-83</article-id><article-id custom-type="elpub" pub-id-type="custom">oncotomsk-906</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>Карбонилирование белков как возможный способ модуляции пролиферации клеток аденокарциномы молочной железы</article-title><trans-title-group xml:lang="en"><trans-title>Protein carbonylation as a possible way to modulate breast cancer cell proliferation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2938-1137</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 кафедры биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>Томск, 634050, ул. Московский тракт, 2</p><p>SPIN-код: 8125-6414, ResearcherID (WOS): F-9564-2015, Author ID (Scopus): 42762264000</p></bio><bio xml:lang="en"><p>Evgeniya V. Shakhristova - MD, PhD, Associate Professor of the Department of Biochemistry and Molecular Biology with the course of clinical laboratory diagnostics.</p><p>2, Moskovky tract, 634050-Tomsk</p></bio><email xlink:type="simple">shaxristova@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 - доктор медицинских наук, профессор кафедры биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>Томск, 634050, ул. Московский тракт, 2</p><p>SPIN-код: 5562-4522, ResearcherID (WOS): N-4039-2016, Author ID (Scopus): 6603230755</p></bio><bio xml:lang="en"><p>Elena A. Stepovaya - MD, DSc, Professor of the Department of Biochemistry and Molecular Biology with the course of clinical laboratory diagnostics.</p><p>2, Moskovky tract, 634050-Tomsk</p><p>ResearcherID: N-4039-2016, Author ID (Scopus): 6603230755</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/0000-0003-4093-4927</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Садыкова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sadykova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Садыкова Анна Алексеевна - кандидат медицинских наук, доцент кафедры биохимии и молекулярной биологии с курсом клинической лабораторной диагностики.</p><p>Томск, 634050, ул. Московский тракт, 2</p><p>SPIN-код: 1275-9603, ResearcherID (WOS): E-5929-2018</p></bio><bio xml:lang="en"><p>Anna A. Sadykova - MD, PhD, Associate Professor of the Department of Biochemistry and Molecular Biology with the course of clinical laboratory diagnostics.</p><p>2, Moskovky tract, 634050-Tomsk</p><p>SPIN ID: 1275-9603, Researcher ID (WOS): E-5929-2018</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 - академик РАН, доктор медицинских наук, профессор кафедры патофизиологии.</p><p>Томск, 634050, ул. Московский тракт, 2</p><p>SPIN-код: 7160-6881, ResearcherID (WOS): M-8386-2016, Author ID (Scopus): 7004689872</p></bio><bio xml:lang="en"><p>Vaycheslav V. Novitsky - MD, Professor, Member of Russian Academy of Sciences, Department of Pathophysiology.</p><p>2, Moskovky tract, 634050-Tomsk</p><p>ResearcherID (WOS): M-8386-2016, Author ID (Scopus): 7004689872</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Сибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>01</day><month>01</month><year>2019</year></pub-date><volume>17</volume><issue>6</issue><fpage>78</fpage><lpage>83</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шахристова Е.В., Степовая Е.А., Садыкова А.А., Новицкий В.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Шахристова Е.В., Степовая Е.А., Садыкова А.А., Новицкий В.В.</copyright-holder><copyright-holder xml:lang="en">Shakhristova E.V., Stepovaya E.A., Sadykova A.A., 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://www.siboncoj.ru/jour/article/view/906">https://www.siboncoj.ru/jour/article/view/906</self-uri><abstract><sec><title>Введение</title><p>Введение. Нерешенная проблема растущей онкологической заболеваемости и смертности в мире ставит задачу разработки новых методических подходов в понимании молекулярных механизмов опухолевого роста, ассоциированного с дисбалансом редокс-регуляции внутриклеточных систем.</p><p>Цель исследования - установить роль карбонилирования редокс-белков в регуляции пролиферации клеток аденокарциномы молочной железы при модуляции редокс-статуса.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В интактных клетках аденокарциномы молочной железы и культивируемых при модуляции редокс-статуса с использованием 5 мМ N-этилмалеимида (блокатор SH-групп белков и пептидов) и 5 мМ 1,4-дитиоэритритола (протектор тиоловых групп) определяли содержание тиоредоксина и его карбонилированной формы методом вестерн-блоттинга; активность тиоредоксинредуктазы и концентрацию карбонильных производных белков определяли спектрофотометрическим методом; распределение клеток по фазам клеточного цикла оценивали методом проточной цитофлуориметрии.</p></sec><sec><title>Результаты</title><p>Результаты. При действии N-этилмалеимида остановка пролиферации опухолевых клеток в S фазе была связана c окислительной модификацией белков, в том числе карбонилированием тиоредоксина. Остановка клеточного цикла в G0/G1 фазах при культивировании клеток линии МСF-7 в присутствии 1,4-дитиоэритритола сопровождалась увеличением содержания восстановленных форм тиоредоксина и глутатиона.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. High rates of cancer incidence and mortality worldwide dictate the necessity of developing new methodological approaches in understanding the molecular mechanisms of cancer progression associated with intracellular redox regulation imbalance.</p><p>The objective of the study was to evaluate the role of protein carbonylation in regulating breast cancer cell proliferation under redox status modulation.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. In the intact breast cancer cells and in the cells cultured under redox status modulation using 5mM N-ethylmaleimide (an - SH group blocker) and 5 Mm 1,4-dithioerythritol (a thiol group protector), the concentration of thioredoxin and its carbonylated form was measured using Western blot analysis. The activity of thioredoxin reductase and the level of protein carbonyl derivatives were determined using spectrophotometry. Cell cycle phase distribution was evaluated by flow cytometry.</p></sec><sec><title>Results and Discussion</title><p>Results and Discussion. Under the effect of N-ethylmaleimide, cell cycle arrest in the S-phase was confirmed by oxidative modification of proteins, including thioredoxin carbonylation. When culturing MCF-7 cells in the presence of 1,4-dithioerythritol, cell cycle arrest in the G0/G1 phases was associated with a rise in the concentrations of reduced thioredoxin and glutathione forms.</p></sec><sec><title>Conclusion</title><p>Conclusion. The thioredoxin system and oxidative modification of proteins are involved in redox-dependent modulation of breast cancer cell proliferation. Studies in the area of redox proteomics offer great potential to seek molecular targets of malignant transformation of breast cells.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>окислительная модификация белков</kwd><kwd>карбонилированный тиоредоксин</kwd><kwd>аденокарцинома молочной железы</kwd><kwd>пролиферация</kwd><kwd>окислительный стресс</kwd><kwd>редокс-регуляция</kwd><kwd>внутриклеточные процессы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>oxidative modification of proteins</kwd><kwd>carbonylated thioredoxin</kwd><kwd>breast denocarcinoma proliferation</kwd><kwd>oxidative stress</kwd><kwd>redox regulation</kwd><kwd>intracellular processes</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-statement xml:lang="en">Grant of the President of the Russian Federation for the State support of young Russian PhD scientists (project № YC-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">Здравоохранение в России. 2017: Статистический сборник. 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