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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">Russian Journal of Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Russian Journal of Immunology</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">910</article-id><article-id pub-id-type="doi">10.31857/S102872210002426-3</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">The role of TCR-activation in the formation of small subpopulations of T helpers</article-title><trans-title-group xml:lang="ru"><trans-title>Роль TCR-активации клеток в формировании малых субпопуляций Т-хелперов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Timganova</surname><given-names>Valeriya</given-names></name><name xml:lang="ru"><surname>Тимганова</surname><given-names>Валерия Павловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zamorina</surname><given-names>Svetlana</given-names></name><name xml:lang="ru"><surname>Заморина</surname><given-names>Светлана Анатольевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bochkova</surname><given-names>Maria</given-names></name><name xml:lang="ru"><surname>Бочкова</surname><given-names>Мария Станиславовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khramtsov</surname><given-names>Pavel</given-names></name><name xml:lang="ru"><surname>Храмцов</surname><given-names>Павел Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Raev</surname><given-names>M. .</given-names></name><name xml:lang="ru"><surname>Раев</surname><given-names>М. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Ecology and Genetics of Microorganisms UB RAS</institution></aff><aff><institution xml:lang="ru">Пермский федеральный исследовательский центр Уральского отделения Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2018</year></pub-date><volume>21</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>449</fpage><lpage>453</lpage><history><date date-type="received" iso-8601-date="2020-10-22"><day>22</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Timganova V., Zamorina S., Bochkova M., Khramtsov P., Raev M...</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, Тимганова В.П., Заморина С.А., Бочкова М.С., Храмцов П.В., Раев М.Б.</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Timganova V., Zamorina S., Bochkova M., Khramtsov P., Raev M...</copyright-holder><copyright-holder xml:lang="ru">Тимганова В.П., Заморина С.А., Бочкова М.С., Храмцов П.В., Раев М.Б.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rusimmun.ru/jour/article/view/910">https://rusimmun.ru/jour/article/view/910</self-uri><abstract xml:lang="en"><p>The role of the independent eff ect of TCR-activation in the formation of small subpopulations of T-helpers (Treg, TCM, TEM, TEMRA) was studied. It was shown that under the conditions of TCR activation, cells were redistributed in favor of eff ector subpopulations (TEM, TEMRA), while the number of naive T cells and TCM decreased. What about Treg, it was demonstrated that TCR-activation of cells resulted in increased intracellular expression of FOXP3, HELIOS and CTLA-4. In general, the presence of the TCR-activator leads to an increase in the number of eff ector T-helpers, which is accompanied by a simultaneous increase in the level of suppressive Treg.</p></abstract><trans-abstract xml:lang="ru"><p>Изучали роль самостоятельного эффекта TCR-активации в формировании малых субпопуляций Т-лимфоцитов-хелперов – Treg, TCM, TEM, TEMRA. Показано, что в условиях TCR-активации происходило перераспределение пулов клеток в пользу эффекторных субпопуляций (TEM, TEMRA), одновременно снижалось количество наивных Т-клеток и TCM. В отношении Treg продемонстрировано, что TCR-активация клеток приводила к повышению внутриклеточной экспрессии FOXP3, HELIOS, CTLA-4. В целом, присутствие TCR-активатора приводит к повышению количества эффекторных Т-хелперов, которое сопровождается одновременным повышением уровня супрессорных Treg.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>TCR</kwd><kwd>T-helpers</kwd><kwd>Treg</kwd><kwd>memory T cells</kwd><kwd>naive T cells</kwd><kwd>T cells of central memory</kwd><kwd>TCR</kwd><kwd>Т-хелперы</kwd><kwd>Treg</kwd><kwd>T-клетки иммунной памяти</kwd><kwd>наивные Т-клетки</kwd><kwd>Т-клетки центральной памяти</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ярилин А. А. Иммунология. ГОЭТАР-Медиа (Москва) 2010, С. 752. [Yarilin A. A. Immunology. GOETAR- Media (Moskow) 2010, 752. Russian.]</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Кудрявцев И. В. 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