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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2025-22-55-58</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-4609</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Исследование циркулирующих регуляторных T-клеток при солидных раках</article-title><trans-title-group xml:lang="en"><trans-title>Study of circulating regulatory T cells in solid cancers</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1266-1792</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мушкарина</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Mushkarina</surname><given-names>T. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мушкарина Татьяна Юрьевна, научный сотрудник отделения клинической иммунологии</p><p>Обнинск</p></bio><bio xml:lang="en"><p>Mushkarina Tatyana Yu., researcher at Dept of Clinical Immunology</p><p>Obninsk</p></bio><email xlink:type="simple">jeweltany@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0728-593X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмина</surname><given-names>Е. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmina</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузьмина Евгения Геннадьевна, к. б. н., ведущий научный сотрудник отделения клинической иммунологии</p><p>Обнинск</p></bio><bio xml:lang="en"><p>Kuzmina Evgenia G., PhD Bio Sci, senior researcher at Dept of Clinical Immunology</p><p>Obninsk</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/0000-0002-6750-521X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бирюков</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Biryukov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бирюков Виталий Александрович, к. м. н., заведующий отделением контактной радиотерапии</p><p>Обнинск</p></bio><bio xml:lang="en"><p>Biryukov Vitaly A., PhD Med, head of Dept of Contact Radiotherapy</p><p>Obninsk</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/0000-0002-7128-2397</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Афонин</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Afonin</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Афонин Григорий Владиславович, к. м. н., заведующий отделением лучевого и хирургического лечения заболеваний торакальной области</p><p>Обнинск</p></bio><bio xml:lang="en"><p>Afonin Grigory V., PhD Med, head of Dept of Radiation and Surgical Treatment of Thoracic Diseases</p><p>Obninsk</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/0000-0001-9103-9688</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гривцова</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Grivtsova</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гривцова Людмила Юрьевна, д. б. н., заведующая отделением клинической иммунологии</p><p>Обнинск</p></bio><bio xml:lang="en"><p>Grivtsova Lyudmila Yu., Dr Bio Sci, head of Dept of Clinical Immunology</p><p>Obninsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Медицинский радиологический научный центр им. А. Ф. Цыба – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>А. Tsyb Medical Radiological Research Centre – branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2025</year></pub-date><volume>0</volume><issue>22</issue><issue-title>«Современная лаборатория» (2)</issue-title><fpage>55</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мушкарина Т.Ю., Кузьмина Е.Г., Бирюков В.А., Афонин Г.В., Гривцова Л.Ю., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Мушкарина Т.Ю., Кузьмина Е.Г., Бирюков В.А., Афонин Г.В., Гривцова Л.Ю.</copyright-holder><copyright-holder xml:lang="en">Mushkarina T.Y., Kuzmina E.G., Biryukov V.A., Afonin G.V., Grivtsova L.Y.</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.med-alphabet.com/jour/article/view/4609">https://www.med-alphabet.com/jour/article/view/4609</self-uri><abstract><p>Регуляторные T-клетки (Treg) играют ключевую роль в поддержании периферической иммунной толерантности. Нарушение их функционирования связано с развитием аутоиммунных, аллергических и онкологических заболеваний.</p><p>Целью исследования было изучить уровень циркулирующих Treg-клеток при солидных злокачественных новообразованиях (рак шейки матки, рак предстательной железы и рак легкого)</p><sec><title>Материалы и методы</title><p>Материалы и методы. Методом проточной цитофлуориметрии определен уровень Treg-клеток (CD 45+CD 4+CD 25+CD 127-/low) в периферической крови пациентов с раком шейки матки (РШМ, n=10), раком предстательной железы (РПЖ, n=23) и раком легкого (РЛ, n=10). Контрольную группу составили 40 здоровых доноров. Для сравнения показателей групп использован U-критерий Манна-Уитни.</p></sec><sec><title>Результаты</title><p>Результаты. Исследование показало повышенный уровень циркулирующих Тreg-клеток у пациентов с РШМ, РПЖ и РЛ по сравнению с контрольной группой (p&lt;0,05). При РШМ уровень Treg был повышен в 1,5 раза (относительное число) и в 2,5 раза (абсолютное число); при РПЖ – в 1,8 раза (как относительное, так и абсолютное), что возможно указывает на вовлеченность этих клеток в патогенез рака независимо от пола. Наиболее выраженное увеличение Тreg-клеток наблюдалось при РЛ (в 2,7 и 3,2 раза по проценту и абсолютному количеству соответственно), что коррелирует с поздними стадиями заболевания.</p></sec><sec><title>Заключение</title><p>Заключение. Полученные данные подтверждают универсальную роль Treg-клеток в развитии и прогрессировании солидных опухолей, что указывает на перспективность иммуномодулирующих подходов, направленных на регуляцию активности этих клеток.</p></sec></abstract><trans-abstract xml:lang="en"><p>Regulatory T cells (Tregs) play a key role in maintaining peripheral immune tolerance. Disorders in their functioning are associated with the development of autoimmune, allergic and oncological diseases.</p><p>The aim of the study was to evaluate the involvement of circulating Treg cells in the development of solid malignancies.</p><sec><title>Materials and methods</title><p>Materials and methods. The level of Treg cells (CD 45+CD 4+CD 25+CD 127-/low) in the peripheral blood of patients with cervical cancer (CC, n=10), prostate cancer (PC, n=23) and lung cancer (LC, n=10) was determined by flow cytofluorometry. The control group consisted of 40 healthy donors. The Mann-Whitney U-test was used to compare the indicators of the groups.</p></sec><sec><title>Results</title><p>Results. The study showed an increased level of circulating Treg cells in patients with CC, PC and LC compared with the control group (p&lt;0.05). In CC Treg cells levels were increased 1.5–fold (relative number) and 2.5-fold (absolute number); in PC, they were increased 1.8-fold (both relative and absolute), which possibly indicates the involvement of these cells in the pathogenesis of cancer regardless of gender. The most pronounced increase in Treg cells was observed in LC (2.7 and 3.2 times in percentage and absolute number, respectively), which correlates with the late stages of the disease.</p></sec><sec><title>Conclusion</title><p>Conclusion. The data obtained confirm the universal role of Treg cells in the development and progression of solid tumors, which indicates the promise of immunomodulatory approaches aimed at regulating the activity of these cells.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>регуляторные Т-клетки (Treg)</kwd><kwd>периферическая кровь</kwd><kwd>рак шейки матки</kwd><kwd>рак предстательной железы</kwd><kwd>рак легкого</kwd></kwd-group><kwd-group xml:lang="en"><kwd>regulatory T cells (Treg)</kwd><kwd>peripheral blood</kwd><kwd>cervical cancer</kwd><kwd>prostate cancer</kwd><kwd>lung cancer</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sakaguchi S. Mikami N., Wing J. B. et al. Regulatory T сells and human disease. Annu. Rev. Immunol. 2020; 38: 541–566. https://doi.org/10.1146/annurev-immunol-042718-041717</mixed-citation><mixed-citation xml:lang="en">Sakaguchi S. 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