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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-FCO-16940</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-3038</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>Функциональная характеристика промоторов генов противовоспалительных цитокинов IL-10 и TGF-b в клеточных моделях B-лимфоцитов</article-title><trans-title-group xml:lang="en"><trans-title>Functional characteristics of the gene promoters of anti-inflammatory cytokines TGF-b and IL-10 in B lymphocyte cell models</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уварова</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Uvarova</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Уварова Аксинья Николаевна - к.б.н., младший научный сотрудник центра высокоточного редактирования и генетических технологий для биомедицины,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>Aksinya N. Uvarova - PhD (Biology), Junior Research Associate, Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><email xlink:type="simple">uvarowww@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Устюгова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ustiugova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший лаборант центра высокоточного редактирования и генетических технологий для биомедицины,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>Senior Laboratory Assistant, Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жеремян</surname><given-names>Э. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zheremyan</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший лаборант лаборатории передачи внутриклеточных сигналов в норме и патологии,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>Senior Laboratory Assistant, Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стасевич</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Stasevich</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник центра высокоточного редактирования и генетическихтехнологий для биомедицины,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>Junior Research Associate, Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Корнеев</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korneev</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., старший научный сотрудник центра высокоточного редактирования и генетических технологий для биомедицины,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>PhD (Biology), Senior Research Associate, Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Купраш</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuprash</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> д.б.н., профессор, член-корр. РАН, главный научный сотрудник, руководитель центравысокоточного редактирования и генетических технологий для биомедицины,</p><p>119991, Москва, ул. Вавилова, 32</p></bio><bio xml:lang="en"><p>PhD, MD (Biology), Professor, Corresponding Member, Russian Academy of Sciences, Chief Research Associate and Head of the Center for Precision Genome Editing and Genetic Technologies for Biomedicine,</p><p>32 Vavilova St Moscow 119991</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН «Институт молекулярной биологии имени В.А. Энгельгардта» Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Engelhardt Institute of Molecular Biology, 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>24</day><month>07</month><year>2024</year></pub-date><volume>26</volume><issue>4</issue><fpage>701</fpage><lpage>706</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Уварова А.Н., Устюгова А.С., Жеремян Э.А., Стасевич Е.М., Корнеев К.В., Купраш Д.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Уварова А.Н., Устюгова А.С., Жеремян Э.А., Стасевич Е.М., Корнеев К.В., Купраш Д.В.</copyright-holder><copyright-holder xml:lang="en">Uvarova A.N., Ustiugova A.S., Zheremyan E.A., Stasevich E.M., Korneev K.V., Kuprash D.V.</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/3038">https://www.mimmun.ru/mimmun/article/view/3038</self-uri><abstract><p>B-лимфоциты участвуют в развитии многих заболеваний, в том числе аутоиммунных, онкологических и инфекционных. В отличие от регуляторных Т-лимфоцитов, роль В-лимфоцитов в противовоспалительной регуляции иммунного ответа стала активно изучаться относительно недавно. Цитокины IL-10 и TGF-β являются одними из ключевых секретируемых факторов иммуносупрессии, поэтому изучение особенностей их транскрипционной регуляции в В-клетках представляется актуальной задачей.</p><p>Данная работа посвящена функциональной характеристике промоторных областей генов IL10 и TGFB1 в иммортализованных В-клеточных линиях, соответствующих разным стадиям развития В-лимфоцитов – Reh и Raji. Для этого мы идентифицировали области потенциальных промоторов генов IL10 и TGFB1, ориентируясь на эпигенетические признаки функциональных регуляторных областей, определяемых биофинформатическими методами анализа данных ChIP-Seq хроматиновых меток в CD19+ лимфоцитах. Мы изучили активность выбранных промоторов с помощью репортерного анализа в В-клетках. Дополнительно, мы функционально охарактеризовали однонуклеотидный полиморфизм rs1800469, который расположен в промоторе TGFB1 и ассоциирован с развитием колоректального рака, хронической обструктивной болезнью легких и риском радиационного фиброза. Активность промоторов IL10 и TGFB1 возрастала в модели про-В-клеток Reh и модели более зрелых В-лимфоцитов Raji после стимуляции форболовым эфиром, причем активность обоих промоторов была ниже в клетках линии Raji. Присутствие минорного аллеля однонуклеотидного полиморфизма rs1800469(A) приводило к повышению активности промотора гена TGFB1 в стимулированной клеточной линии Reh. Более высокая активность промоторов IL10 и TGFB1 в клетках острого лимфобластного лейкоза Reh может быть связана с характерным для этой патологии увеличением иммуносупрессии. Также возможно, что активация про-В-клеток Reh вызывает их дифференцировку в моноцитоподобные клетки, которые под аутокринным воздействием TGF-β и IL-10 могут поляризоваться в М2-макрофаги, продуцирующие противовоспалительные цитокины. М2-макрофаги могут функционировать в качестве опухоль-ассоциированных макрофагов, которые являются важным компонентом опухолевого микроокружения и способствуют развитию колоректального рака. Кроме того, повышенный уровень TGF-β в тканях повышает риски возникновения фиброза и снижает уровень воспаления при хронической обструктивной болезни легких.</p></abstract><trans-abstract xml:lang="en"><p>B cells play a crucial role in the pathogenesis of various diseases, such as autoimmune disorders, cancers, and infections. Unlike regulatory T cells, the anti-inflammatory capabilities of B cells have only recently garnered attention. Cytokines IL-10 and TGF-β are among the key secreted immunosuppressive factors, therefore studying the characteristics of their transcriptional regulation in B cells appears to be a relevant task. This study focuses on characterizing the promoter regions of IL10 and TGFB1 genes in immortalized B cell lines representing different developmental stages – Reh and Raji. To achieve this, we identified potential promoter regions guided by the epigenetic features of functional regulatory regions determined by bioinformatics methods of ChIP-Seq data analysis of chromatin marks in CD19+ lymphocytes. We examined the activity of selected promoters using reporter analysis in B cells. Additionally, we studied the impact of a single nucleotide polymorphism rs1800469 in the TGFB1 promoter, which is associated with the development of colorectal cancer, chronic obstructive pulmonary disease, and the risk of radiation fibrosis. Our results showed increased promoter activity of IL10 and TGFB1 in the Reh pro-B cells compared to the Raji mature B cells upon stimulation. Interestingly, the presence of the minor allele of rs1800469 led to enhanced TGFB1 promoter activity in the Reh cells. Higher activity of IL10 and TGFB1 promoters in acute lymphoblastic leukemia Reh cells may be associated with the increased immunosuppression, which is characteristic of this pathology. It is also possible that activation of pro-B cells Reh induces their differentiation into monocyte-like cells, which can be polarized into alternatively activated (M2) macrophages by autocrine TGF-β and IL-10. M2 macrophages can function as tumor-associated macrophages and contribute to the development of colorectal cancer. Moreover, increased levels of TGF-β in tissues increase the risks of fibrosis and decrease inflammation levels in chronic obstructive pulmonary disease.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>регуляция транскрипции</kwd><kwd>иммуносупрессия</kwd><kwd>В-лимфоциты</kwd><kwd>IL-10</kwd><kwd>TGF-β</kwd><kwd>SNP</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transcription regulation</kwd><kwd>immunosupression</kwd><kwd>B cells</kwd><kwd>IL-10</kwd><kwd>TGF-β</kwd><kwd>SNP</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда: грант № 22-14- 00398 (изучение промотора IL-10), грант № 21- 74-00106 (изучение промотора TGF-β).</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">Brum da Silva Nunes V., Kehl Dias C., Nathali Scholl J., Nedel Sant’Ana A., de Fraga Dias A., Granero Farias M., Alegretti A.P., Sosnoski M., Esteves Daudt L., Bohns Michalowski M., Oliveira Battastini A.M. 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