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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">Advances in Molecular Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Advances in Molecular Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Успехи молекулярной онкологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-805X</issn><issn publication-format="electronic">2413-3787</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">118</article-id><article-id pub-id-type="doi">10.17650/2313-805X-2017-4-4-42-48</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">FUNCTIONAL CAPACITY OF MEMORY CELLS CD8+ UNDER LYMPHOPENIA INDUCED BY INJECTION OF HYDROCORTISONE</article-title><trans-title-group xml:lang="ru"><trans-title>ФУНКЦИОНАЛЬНЫЙ ПОТЕНЦИАЛ КЛЕТОК ПАМЯТИ CD8+ В УСЛОВИЯХ ЛИМФОПЕНИИ, ВЫЗВАННОЙ ВВЕДЕНИЕМ ГИДРОКОРТИЗОНА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kazansky</surname><given-names>D. B.</given-names></name><name xml:lang="ru"><surname>Казанский</surname><given-names>Д. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>Дмитрий Борисович Казанский.</p><p>115478 Москва, Каширское шоссе, 24</p></bio><email>kazansky1@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vagida</surname><given-names>M. S.</given-names></name><name xml:lang="ru"><surname>Вагида</surname><given-names>М. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Silaeva</surname><given-names>Yu. Yu.</given-names></name><name xml:lang="ru"><surname>Силаева</surname><given-names>Ю. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalinina</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Калинина</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zamkova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Замкова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khromykh</surname><given-names>L. M.</given-names></name><name xml:lang="ru"><surname>Хромых</surname><given-names>Л. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Persiyantseva</surname><given-names>N. А.</given-names></name><name xml:lang="ru"><surname>Персиянцева</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Jolokhava</surname><given-names>L. Kh.</given-names></name><name xml:lang="ru"><surname>Джолохава</surname><given-names>Л. Х.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Institute of Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">НИИ канцерогенеза ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2017</year></pub-date><volume>4</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>42</fpage><lpage>48</lpage><history><date date-type="received" iso-8601-date="2017-12-02"><day>02</day><month>12</month><year>2017</year></date><date date-type="accepted" iso-8601-date="2017-12-02"><day>02</day><month>12</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Kazansky D.B., Vagida M.S., Silaeva Y.Y., Kalinina A.A., Zamkova M.A., Khromykh L.M., Persiyantseva N.А., Jolokhava L.K.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, Казанский Д.Б., Вагида М.С., Силаева Ю.Ю., Калинина А.А., Замкова М.А., Хромых Л.М., Персиянцева Н.А., Джолохава Л.Х.</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Kazansky D.B., Vagida M.S., Silaeva Y.Y., Kalinina A.A., Zamkova M.A., Khromykh L.M., Persiyantseva N.А., Jolokhava L.K.</copyright-holder><copyright-holder xml:lang="ru">Казанский Д.Б., Вагида М.С., Силаева Ю.Ю., Калинина А.А., Замкова М.А., Хромых Л.М., Персиянцева Н.А., Джолохава Л.Х.</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://umo.abvpress.ru/jour/article/view/118">https://umo.abvpress.ru/jour/article/view/118</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Wide use of glucocorticoids therapy for neoplasms, autoimmune diseases and allergies is associated with suppression of adaptive immunity that requires profound study of their immunoregulatory properties and immunotoxicity.</p><p><bold>Results.</bold> In this work, using our model of selective activation of mouse CD8<sup>+</sup> memory cells in the mixed lymphocyte reaction (MLR) in vitro, we show for the first time that intraperitoneal injection of high dose hydrocortisone (2.5 mg per animal) allows to detect memory cells in the thymus of animals immunized with allogeneic tumor cells. Similar to memory cells from other lymphoid organs, hydrocortisone-resistant thymic lymphocytes from immune animals respond on allogeneic stimulators subjected to severe heat shock and are immunologically specific to immunizing alloantigen. Thus, cortisone-resistant thymocytes are partially or completely represented by memory cells. We also show here that memory responses of heterozygotes on TCR a-chain knock-out (genetically incapable to secondary rearrangement of TCR achains) are significantly enhanced as compared with the ones of wild type mice.</p><p><bold>Conclusion.</bold> These findings allows to suggest the hypothesis according to which memory T cell clones proliferating in primary immune response migrate into thymus providing necessary microenvironment for reexpression of recombinases. After editing of genes encoding TCR achains, such T lymphocytes can return to peripheral repertoire maintaining its wideness.</p></abstract><trans-abstract xml:lang="ru"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>alloantigen</kwd><kwd>anti-tumor immunity</kwd><kwd>glucocorticoid</kwd><kwd>T cell receptor</kwd><kwd>immunological memory</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>аллоантиген</kwd><kwd>противоопухолевый иммунитет</kwd><kwd>глюкокортикоид</kwd><kwd>Т-клеточный рецептор</kwd><kwd>иммунологическая память</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was supported by the Russian Foundation for Basic Research (grant No. 14-04-01897)</funding-statement><funding-statement xml:lang="ru">Российский фонд фундаментальных исследований, грант № 14-04-01897</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. 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