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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">Russian Journal of Biotherapy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Biotherapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский биотерапевтический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9784</issn><issn publication-format="electronic">1726-9792</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">1415</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2023-22-4-43-51</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Innate immunity cells in a model of acute psoriasis-like inflammation in mice</article-title><trans-title-group xml:lang="ru"><trans-title>Клетки врожденного иммунитета в модели острого псориазоподобного воспаления у мышей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9073-5291</contrib-id><name-alternatives><name xml:lang="en"><surname>Akhmatova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Ахматова</surname><given-names>Э. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1188-6578</contrib-id><name-alternatives><name xml:lang="en"><surname>Sorokina</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Сорокина</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p><p>91 Volokolamskoye Shosse, Moscow 125371</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p><p>125371 Москва, Волоколамское шоссе, 91</p></bio><email>sorokina-cathrine@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9374-3158</contrib-id><name-alternatives><name xml:lang="en"><surname>IShubina</surname><given-names>I. Zh.</given-names></name><name xml:lang="ru"><surname>Шубина</surname><given-names>И. Ж.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>115522 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0282-4471</contrib-id><name-alternatives><name xml:lang="en"><surname>Kurbatova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Курбатова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9363-2274</contrib-id><name-alternatives><name xml:lang="en"><surname>Stolpnikova</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Столпникова</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0048-3968</contrib-id><name-alternatives><name xml:lang="en"><surname>Kalinichenko</surname><given-names>E. O.</given-names></name><name xml:lang="ru"><surname>Калиниченко</surname><given-names>Е. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8143-7356</contrib-id><name-alternatives><name xml:lang="en"><surname>Bisheva</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Бишева</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2342-9307</contrib-id><name-alternatives><name xml:lang="en"><surname>Skhodova</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Сходова</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>5A Maly Kazenny lane, Moscow 105064</p></bio><bio xml:lang="ru"><p>105064 Москва, Малый Казенный пер., 5А</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.I. Mechnikov Research Institute of Vaccines and Serums, Russian Academy of Medical Sciences</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Научно-исследовательский институт вакцин и сывороток им. И. И. Мечникова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Academy of Postgraduate Education under FGBU “Federal Research and Clinical Center for Specialized Medical Assistance and Medical Technologies of the FMBA of Russia”</institution></aff><aff><institution xml:lang="ru">Академия постдипломного образования ФГБУ «Федеральный научно-клинический центр ФМБА России»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н. Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-11-23" publication-format="electronic"><day>23</day><month>11</month><year>2023</year></pub-date><volume>22</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>43</fpage><lpage>51</lpage><history><date date-type="received" iso-8601-date="2023-11-22"><day>22</day><month>11</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-11-22"><day>22</day><month>11</month><year>2023</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://bioterapevt.abvpress.ru/jour/article/view/1415">https://bioterapevt.abvpress.ru/jour/article/view/1415</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Experimental animal models of psoriasis helped to clarify the functions of inflammatory mediators, to reveal the contribution of innate or adaptive immune mechanisms, keratinocytes to the development and maintenance of inflammation in psoriasis.</p><p><bold>Aim.</bold> To study the subpopulation composition of immune cells of blood, skin, lymphoid organs and compare two methods of isolation of cells from the skin.</p><p><bold>Materials and methods.</bold> The study included 46 mice of the C57BL / 6 line, which were divided into 2 groups: experimental (n = 24) to reproduce a model of acute psoriasis-like dermatitis using imiquimod cream 5 % (62.5 mg / cm2 / day / mouse, 7 days) and control (n = 22). The severity of skin inflammation was assessed on a point scale. On the 7th day, the skin, spleen, lymph nodes, and thymus were examined. To isolate cells from the skin, the method of spontaneous migration and enzymatic dissociation using collagenase was used. The assessment of the subpopulation structure of mononuclear cells (MNCs) was carried out by flow cytometry using monoclonal antibodies against the corresponding antigens (CD3, CD4, CD5, CD8, MHC class II, TCRyδ, CD38, CD80, CD83, CD86, TLR2). Statistical processing was carried out using the winMDI 2.8 software package.</p><p><bold>Results.</bold> It has been shown that both methods of isolation of skin cells are applicable for immunophenotyping of γδ T-lymphocytes, CD86<sup>+</sup>, CD83<sup>+</sup>, CD83<sup>+</sup>CD86<sup>+</sup> dendritic cells. A decrease in TLR2 expression on blood cells and an increase in lymph node and skin cells were revealed. There was a marked increase in the number of CD38<sup>+</sup> in the lymph nodes, thymus, and an increase in γδ T-lymphocytes in the lymph nodes and blood. The infiltration of γδ T-lymphocytes, CD8<sup>+</sup> is shown in the skin and CD38<sup>+</sup> cells.</p><p><bold>Conclusion</bold>. Acute psoriasis-like inflammation of mice was accompanied by an increase in the number of γδ T cells in the blood, lymph nodes and skin. Infiltration of the skin by CD8<sup>+</sup> and CD38<sup>+</sup> cells was observed. Both methods of cell isolation – the method of spontaneous migration and the method of enzymatic dissociation proved to be applicable for further immunophenotyping.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Экспериментальные модели псориаза на животных помогли выяснить функции воспалительных медиаторов, раскрыть вклад врожденных или адаптивных иммунных механизмов, кератиноцитов в развитие и поддержание воспаления при псориазе.</p><p><bold>Цель исследования</bold> – изучить субпопуляционный состав иммунных клеток крови, кожи, лимфоидных органов и сравнить 2 метода изоляции клеток из кожи.</p><p><bold>Материалы и методы</bold>. В исследование включены 46 мышей линии C57BL / 6, которые разделены на 2 группы: опытную (n = 24) для воспроизведения модели острого псориазоподобного дерматита с помощью имихимод-крема 5 % (62,5 мг / см2 / сут / мышь, 7 дней) и контрольную (n = 22). Оценку тяжести воспаления кожи осуществляли по балльной шкале. На 7-й день исследовали кожу, селезенку, лимфатические узлы (ЛУ), тимус мышей. Для изоляции клеток из кожи применяли метод спонтанной миграции и ферментативной диссоциации с помощью коллагеназы. Оценку субпопуляционной структуры мононуклеарных клеток проводили методом проточной цитометрии с применением моноклональных антител против соответствующих антигенов (СD3, CD4, CD8, CD5, MHC II класса, γδ-TCR, CD38, CD80, CD83, CD86, TLR2). Статистическая обработка проведена при помощи программного пакета winMDI 2.8.</p><p><bold>Результаты.</bold> Показано, что для иммунофенотипирования γδ-Т-лимфоцитов, дендритных клеток CD86<sup>+</sup>, CD83<sup>+</sup>, CD83<sup>+</sup>CD86<sup>+</sup> применимы оба метода изоляции клеток кожи. Выявлено снижение экспрессии TLR2 на клетках крови и повышение на клетках ЛУ и кожи. В ЛУ, тимусе отмечено выраженное повышение числа CD38<sup>+</sup>, повышение γδ-Т-лимфоцитов – в ЛУ и крови. В коже показана инфильтрация γδ-Т-лимфоцитами, CD8<sup>+</sup>- и CD38<sup>+</sup>-клетками.</p><p><bold>Заключение.</bold> Острое псориазоподобное воспаление у мышей сопровождалось повышением количества γδ-Тклеток в крови, ЛУ и коже. Наблюдалась инфильтрация кожи CD8<sup>+</sup>- и CD38<sup>+</sup>-клетками. Оба метода изоляции клеток – метод спонтанной миграции и метод ферментативной диссоциации – оказались применимы для дальнейшего иммунофенотипирования.</p></trans-abstract><kwd-group xml:lang="en"><kwd>psoriasis</kwd><kwd>animal models of psoriasis</kwd><kwd>imiquimod</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>псориаз</kwd><kwd>животные модели псориаза</kwd><kwd>имихимод</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Moos S., Mohebiany A.N., Waisman A., Kurschus F.C. Imiquimod-induced psoriasis in mice depends on the IL-17 signaling of keratinocytes. 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