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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-ATO-2760</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2760</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Оценка прямых взаимодействий опухолевых клеток, миелоидных супрессорных клеток и PD-1- и TIM-3- экспрессирующих T-клеток у больных множественной миеломой</article-title><trans-title-group xml:lang="en"><trans-title>Attempt to assess direct interactions between tumor burden, myeloid-derived suppressor cells and PD-1- and TIM-3-expressing T cells in multiple myeloma patients</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2902-9336</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баторов</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Batorov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баторов Егор Васильевич — кандидат медицинских наук, старший научный сотрудник ФГБНУ «НИИ фундаментальной и клинической иммунологии»; ассистент кафедры иммунологии Института медицины и психологии В. Зельмана ФГАОУ ВО «НГУ».</p><p>630099, Новосибирск, ул. Ядринцевская, 14</p><p>Тел.: 8 (383) 228-21-01</p></bio><bio xml:lang="en"><p>Egor V. Batorov - PhD (Medicine), Senior Research Associate, Research Institute of Fundamental and Clinical Immunology; Assistant, Department of Immunology, V. Zelman Institute of Medicine and Psychology, Novosibirsk National Research State University.</p><p>14 Yadrintsevskaya St Novosibirsk 630099</p><p>Phone: +7 (383) 228-21-01</p></bio><email xlink:type="simple">ebatorov@mail.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/0000-0002-4885-8327</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аристова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aristova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аристова Татьяна А. — врач-гематолог.</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Tatiana A. Aristova - Hematologist, Research Institute of Fundamental and Clinical Immunology.</p><p>Novosibirsk</p></bio><email xlink:type="simple">taris06@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пронкина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pronkina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пронкина Наталья В. — кандидат медицинских наук, врач клинической лабораторной диагностики.</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Natalia V. Pronkina - PhD (Medicine), Clinical Laboratory Diagnostics Specialist, Research Institute of Fundamental and Clinical Immunology.</p><p>Novosibirsk</p></bio><email xlink:type="simple">pronkina@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1951-2260</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Денисова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Denisova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денисова Вера В. — кандидат медицинских наук, заведующая отделением гематологии с БТКМ, врач-гематолог.</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Vera V. Denisova - PhD (Medicine), Head, Department of Hematology and BMT, Hematologist, Research Institute of Fundamental and Clinical Immunology.</p><p>Novosibirsk</p></bio><email xlink:type="simple">verden@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7109-3839</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сизикова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizikova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сизикова Светлана А. — кандидат медицинских наук, врач-гематолог.</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Svetlana A. Sizikova - PhD (Medicine), Hematologist, Research Institute of Fundamental and Clinical Immunology.</p><p>Novosibirsk</p></bio><email xlink:type="simple">svetlana_sizikova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1822-6326</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ушакова</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Ushakova</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ушакова Галина Ю. — кандидат медицинских наук, врач-гематолог.</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Galina Yu. Ushakova - PhD (Medicine), Hematologist, Research Institute of Fundamental and Clinical Immunology.</p><p>Novosibirsk</p></bio><email xlink:type="simple">bmt-novosibirsk@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт фундаментальной и клинической иммунологии»; Институт медицины и психологии В. Зельмана ФГАОУ ВО «Новосибирский национальный исследовательский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Fundamental and Clinical Immunology; V. Zelman Institute of Medicine and Psychology, Novosibirsk National Research State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт фундаментальной и клинической иммунологии»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Fundamental and Clinical Immunology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>06</month><year>2023</year></pub-date><volume>25</volume><issue>5</issue><fpage>1151</fpage><lpage>1158</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баторов Е.В., Аристова Т.А., Пронкина Н.В., Денисова В.В., Сизикова С.А., Ушакова Г.Ю., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Баторов Е.В., Аристова Т.А., Пронкина Н.В., Денисова В.В., Сизикова С.А., Ушакова Г.Ю.</copyright-holder><copyright-holder xml:lang="en">Batorov E.V., Aristova T.A., Pronkina N.V., Denisova V.V., Sizikova S.A., Ushakova G.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.mimmun.ru/mimmun/article/view/2760">https://www.mimmun.ru/mimmun/article/view/2760</self-uri><abstract><p>Уход атипичных плазматических клеток (ПК) из-под иммунного надзора при множественной миеломе (ММ) опосредован разнообразными механизмами, среди которых существенные роли играют индукция Т-клеточного истощения и экспансия миелоидных супрессорных клеток (МСК). При этом в настоящее время все еще нет данных о возможном влиянии МСК на индукцию Т-клеточного истощения. Целью настоящей работы была оценка возможной взаимосвязи относительного содержания атипичных ПК, МСК и фенотипически истощенных PD-1+ и Т1М-3+Т-клеток в костном мозге (КМ) и периферической крови (ПК) больных ММ при различных стадиях заболевания. Образцы ПК (n = 88) и КМ (n = 56) были получены у больных ММ (впервые выявленные (n = 6), пациенты в ремиссии (n = 71) и с прогрессирующим течением (n = 11)). Методом проточной цитометрии была проведена оценка относительного содержания Т-клеток, экспрессирующих ингибиторные рецепторы PD-1 и TIM-3, полиморфноядерных МСК (ПМЯ-МСК, Lin-CD14-HLA- DR-CD33+CD66b+), моноцитарных МСК (M-МСК, CD14+HLA-DRlow/-), ранних МСК (Р-ЧСК, Lin- HLA-DR-CD33+CD66b-) и атипичных ПК (CD45dimCD38+CD138+CD56+CD19-CD117+CD27-CD81-, в КМ). Циркулирующие и выделенные из КМ отдельные субпопуляции PD-1+/TIM-3+T-лимофцитов, Р-МСК КМ, а также атипичные ПК и уровни бета-2-микроглобулина сыворотки последовательно увеличивались в группах больных на различных стадиях ММ, от впервые выявленных до пациентов в ремиссии и с прогрессирующим течением. Несмотря на параллельное увеличение изучаемых показателей, не было выявлено каких-либо ассоциаций между маркерами опухолевого роста (атипичные ПК КМ, концентрация бета-2-микроглобулина сыворотки) и исследуемыми популяциями клеток. В образцах КМ больных с ремиссией ПМЯ-МСК обратно коррелировали с относительным содержанием CD4+T-лимофцитов, CD4+PD-1+ и CD8+TIM-3+ субпопуляциями; также обнаружены позитивные корреляции между резидентными Р-МСК и CD4+PD-1+TIM-3+ клетками и между циркулирующими М-МСК и CD8+PD-1+ и (в виде тенденции) CD8+TIM-3+T-клетками. Не удалось обнаружить каких-либо взаимосвязей между исследуемыми популяциями клеток в образцах КМ и ПК больных с впервые выявленной ММ и у пациентов с прогрессирующим течением. Возможное взаимное влияние атипичных ПК, МСК и PD-1+/TIM-3+T-лимфоцитов, по всей видимости, не линейно, в особенности в условиях экстенсивного роста опухоли на момент постановки диагноза и прогрессии ММ. Обнаруженные обратные корреляции между относительным содержанием ПМЯ-МСК и субпопуляциями Т-клеток могли быть ассоциированы с супрессорными эффектами МСК как на преимущественно активированные PD-1+ клетки, так и на истощенные TIM-3+ субпопуляции. Прямые корреляции между резидентными Р-МСК и CD4+PD-1+TIM-3+ Т-клетками и между циркулирующими M-MCК и PD-1+ и TIM-3+ CD8+T-клетками могли подтверждать способность МСК индуцировать Т-клеточное истощение.</p></abstract><trans-abstract xml:lang="en"><p>The avoidance of immune surveillance by malignant plasma cells (PCs) in multiple myeloma (MM) is mediated by different mechanisms, among which an induction of T cell exhaustion and expansion of myeloid-derived suppressor cells (MDSCs) appear to play substantial roles, but it is still a lack of data on possible MDSC-mediated induction of T cell exhaustion. The aim of the present work was to evaluate possible relationship between frequencies of MM PCs, MDSCs and phenotypically exhausted PD-1+ and TIM-3+ T cells in bone marrow (BM) samples and peripheral blood (PB) of MM patients at various disease stages. Peripheral blood (n = 88) and BM samples (n = 56) were obtained from MM patients (newly diagnosed (n = 6), patients in remission (n = 71) and with progressive disease (n = 11)). Frequencies of T cells expressing checkpoint receptors PD-1 and TIM-3, polymorphonuclear MDSCs (PMN-MDSCs, Lin-CD14-HLA-DR- CD33+CD15+/CD66b+), monocyte MDSCs (M-MDSCs, CD14+HLA-DRlow/-), early MDSCs (E-MDSCs, Lin-HLA-DR-CD33+CD15-/CD66b-), and MM PCs (CD45dimCD38+CD138+CD56+CD19-CD117+CD27- CD81-) were assessed with flow cytometry. Circulating and BM-resident PD-1+/TIM-3+T cell subsets, BM E-MDSCs, as soon as MM PCs and serum beta2-microglobulin (B2-M) levels were gradually increased in patients at different stages. Despite that, there were no associations between the markers of tumor load and the studied cell subsets. In patients in remission, BM PMN-MDSCs negatively correlated with CD4+T cells, CD4+PD-1+ and CD8+TIM-3+T cell subsets; there were positive correlations between BM E-MDSCs and CD4+PD-1+TIM-3+ cells and PB M-MDSCs and CD8+PD-1+ and (as a trend) CD8+TIM-3+T cells. We found no associations for the samples of patients at diagnosis and with progression. We can conclude that a possible mutual influence of malignant PCs, MDSCs and PD-1+/TIM-3+T cells is nonlinear, especially during a manifest tumor growth at diagnosis and progression. The detected negative correlations between resident PMN- MDSCs and T cell subsets might be associated with MDSC suppressive function, affecting both predominantly activated PD-1+ cells and exhausted TIM-3+ subsets. The positive correlations between BM E-MDSCs and CD4+PD-1+TIM-3+ cell subset and circulating M-MDSCs and PD-1+ and TIM-3+ CD8+T cells might confirm an ability of MDSCs to induce T cell exhaustion.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>миелоидные супрессорные клетки</kwd><kwd>PD-1</kwd><kwd>TIM-3</kwd><kwd>Т-лимфоциты</kwd><kwd>опухолевые плазматические клетки</kwd><kwd>множественная миелома</kwd></kwd-group><kwd-group xml:lang="en"><kwd>myeloid-derived suppressor cells</kwd><kwd>PD-1</kwd><kwd>TIM-3</kwd><kwd>T cells</kwd><kwd>tumor plasma cells</kwd><kwd>multiple myeloma</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work is supported by the Russian Science Foundation under grant No. 20-75-10132.</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">Atanackovic D., Luetkens T., Radhakrishnan S., Kroger N. 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