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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">rsp</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-практическая ревматология</journal-title><trans-title-group xml:lang="en"><trans-title>Rheumatology Science and Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-4484</issn><issn pub-type="epub">1995-4492</issn><publisher><publisher-name>IMA-PRESS, LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.47360/1995-4484-2024-300-308</article-id><article-id custom-type="elpub" pub-id-type="custom">rsp-3578</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Миелоидные супрессорные клетки у пациентов с аксиальным спондилоартритом при различных вариантах терапии</article-title><trans-title-group xml:lang="en"><trans-title>Myeloid-derived suppressor cells in axial spondyloarthritis patients with different types of therapy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0980-1157</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Моренкова</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Morenkova</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Моренкова Анастасия Юрьевна</p><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Anastasiia Yu. Morenkova</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </p></bio><email xlink:type="simple">morenkovasp@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/0000-0002-7987-2017</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тыринова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyrinova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Tamara V. Tyrinova</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </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/0009-0004-3285-0568</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федорова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630060, Новосибирск, ул. Тимакова, 2</p></bio><bio xml:lang="en"><p>Anastasia V. Fedorova</p><p>630060, Novosibirsk, Timakova str., 2</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2366-1667</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тихонова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tikhonova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Marina A. Tikhonova</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </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/0000-0002-8633-0662</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильина</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilina</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Nadezhda A. Ilina</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </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/0000-0003-3797-6392</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чумасова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Chumasova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Oksana A. Chumasova</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </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/0000-0002-7213-7482</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сизиков</surname><given-names>А. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizikov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Alexey E. Sizikov</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </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/0000-0003-2346-6279</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черных</surname><given-names>Е. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernykh</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, Новосибирск, ул. Ядринцевская, 14</p></bio><bio xml:lang="en"><p>Elena R. Chernykh</p><p>630099, Novosibirsk, Yadrintsevskaya str., 14 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский институт клинической и экспериментальной лимфологии – филиал ФГБНУ «Федеральный исследовательский центр Институт цитологии и генетики СО РАН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Clinical and Experimental Lymphology – Branch of the Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2024</year></pub-date><volume>62</volume><issue>3</issue><fpage>300</fpage><lpage>308</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Моренкова А.Ю., Тыринова Т.В., Федорова А.В., Тихонова М.А., Ильина Н.А., Чумасова А.О., Сизиков А.Э., Черных Е.Р., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Моренкова А.Ю., Тыринова Т.В., Федорова А.В., Тихонова М.А., Ильина Н.А., Чумасова А.О., Сизиков А.Э., Черных Е.Р.</copyright-holder><copyright-holder xml:lang="en">Morenkova A.Y., Tyrinova T.V., Fedorova A.V., Tikhonova M.A., Ilina N.A., Chumasova O.A., Sizikov A.E., Chernykh E.R.</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://rsp.mediar-press.net/rsp/article/view/3578">https://rsp.mediar-press.net/rsp/article/view/3578</self-uri><abstract><p>Цель исследования – оценка содержания субпопуляций миелоидных супрессорных клеток (МС) и их супрессорного потенциала у пациентов с аксиальным спондилоартритом (аксСпА), а также анализ изменения анализируемых показателей на фоне лечения генно-инженерными биологическимипрепаратами (ГИБП).</p><sec><title>Материалы и методы</title><p>Материалы и методы.В исследование включены 50 пациентов с аксСпА, получающих терапию 1-й линии (нестероидные противовоспалительные препараты ±сульфасалазин/метотрексат),и 44 сопоставимых по полу и возрасту донора. Восьми пациентам впервые инициирована терапия ГИБП (ингибиторами фактора некроза опухоли α и интерлейкина 17). Оценку циркулирующих гранулоцитарных МС (Г-МС), моноцитарных МС (М-МС)и МС ранних стадий дифференцировки (Р-МС), а также экспрессию ингибиторных молекул (PDL1, Arg-1 и IDO) проводили методом проточной цитометрии.</p></sec><sec><title>Результаты</title><p>Результаты. Пациенты с аксСпА характеризовались повышенным содержанием Г-МС (р&lt;0,01), которое проявлялось при высокой активности заболевания. Отсутствие внеаксиальных проявлений ассоциировалось с сочетанием повышенного содержания Г-МС и Р-МС (р&lt;0,05). У пациентов с внеаксиальными проявлениями выявлено изолированное повышение Г-МС (р&lt;0,05), тогда как наличие коксита сопровождалось повышением числа Г-МС и М-МС (р&lt;0,05). При низкой активности регистрировалось изолированное повышение количества М-МС (р=0,045). Больные характеризовались сниженной экспрессией большинства изучаемых супрессорных молекул в МС. У пациентов без вовлеченности периферических суставов отмечалась сниженная экспрессия PDL1 и IDOв Г-МС и Р-МС (р&lt;0,05), а также Arg-1 – в Р-МС и М-МС (р&lt;0,05). При внеаксиальных проявлениях (в том числе и при коксите) регистрировалось наиболее критичное снижение экспрессии всех трех ингибиторных молекул в М-МС. Высокая активность аксСпА ассоциировалась со снижением PDL1+ Г-МС и Р-МС (р&lt;0,05), а также Arg-1и IDO-экспрессирующих М-МС (р&lt;0,05). При низкой активности большая часть анализируемых показателей статистически значимо не отличалась от донорских значений, за исключением сниженного количества Аrg-1+ М-МС (р=0,04). Лечение ГИБП приводилок снижению содержания Г-МС у 75% пациентов до значений, схожих с донорскими.</p></sec><sec><title>Заключение</title><p>Заключение. Несмотря на снижение супрессорного потенциала МС, пациенты, получающие терапию 1-й линии, при высокой активности аксСпА характеризуются повышенным количеством Г-МС, тогда как для низкой активности характерно изолированное повышение числа М-МС. При этом назначение ГИБП блокирует накопление Г-МС.</p></sec></abstract><trans-abstract xml:lang="en"><p>Aim – to evaluate myeloid-derived suppressor cell (MDSC) subset counts and their suppressor potential in axial spondyloarthritis (axSpA) patients, as well as to analyze changes in the studied parameters in biological therapy (BT).</p><sec><title>Materials and methods</title><p>Materials and methods. The study included 50 axSpA patients receiving 1st line therapy (non-steroidal anti-inflammatory drugs ±sulfasalazine/methotrexate) and 44 ageand sex-related healthy donors. Eight patients were initiated with BT (TNFαor IL-17 inhibitors). Peripheral blood granulocytic (G-MDSC), monocytic (M-MDSC) MDSCs, early-stage differentiation MDSCs (E-MDSC), and inhibitory molecule expression (PDL1, Arg-1, and IDO) were evaluated by flow cytometry.</p></sec><sec><title>Results</title><p>Results. The axSpA patients were characterized by increased G-MDSC counts (р&lt;0.01), particularly manifested with high disease activity. Axial manifestation was associated with a combination of increased G-MDSC and E-MDSC numbers (р&lt;0.05). The extra-axial group showed an isolated increase in G-MDSC (р&lt;0.05), whereas coxitis was associated with an increase in both G-MDSC and M-MDSC (р&lt;0.05). Low activity was associated with an isolated M-MDSC increase (р=0.045). Patients had reduced expression of majority of the studied suppressor molecules in MDSCs. Axial manifestation was characterized by a decreased expression of PDL1 and IDO in G-MDSCs and E-MDSCs (р&lt;0.05), as well as Arg-1 in E-MDSCs and M-MDSCs (р&lt;0.05). Patients with extra-axial manifestations (including coxitis) exhibited the most significant reduction in the expression of all three inhibitory molecules in M-MDSCs. High activity was associated with a decrease in PDL1+ G-MDSCs and E-MDSCs (р&lt;0.05), as well as Arg-1and IDO-expressing M-MDSCs (р&lt;0.05). In low disease activity, most of the analyzed parameters did not differ significantly from donor values, with the exception of a reduced Arg-1+ M-MDSC frequency (р=0.04). BT reduced G-MDSC counts in 75% of patients to levels comparable to those of healthy donors.</p></sec><sec><title>Conclusion</title><p>Conclusion. Despite the reduced suppressor potential of MDSCs, patients undergoing first-line therapy with high activity demonstrated increased G-MDSC counts, while low activity axSpA was characterized by an isolated increase in M-MDSCs. The BT administration blocked G-MDSC accumulation.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>миелоидные супрессорные клетки</kwd><kwd>аксиальный спондилоартрит</kwd><kwd>генно-инженерные биологическиепрепараты</kwd><kwd>аргиназа-1</kwd><kwd>индоламин-2</kwd><kwd>3 диоксигиназа</kwd><kwd>PDL1</kwd></kwd-group><kwd-group xml:lang="en"><kwd>myeloid-derived suppressor cells</kwd><kwd>axial spondyloarthritis</kwd><kwd>biological therapy</kwd><kwd>arginase-1</kwd><kwd>indolamine-2</kwd><kwd>3-dioxygenase</kwd><kwd>PDL1</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">van de Sande MGH, Elewaut D. Pathophysiology and immunolgical basis of axial spondyloarthritis. Best Pract Res Clin Rheumatol. 2023;37(3):101897. doi: 10.1016/j.berh.2023.101897</mixed-citation><mixed-citation xml:lang="en">van de Sande MGH, Elewaut D. 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