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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Cytokines and inflammation</journal-id><journal-title-group><journal-title xml:lang="en">Cytokines and inflammation</journal-title><trans-title-group xml:lang="ru"><trans-title>Цитокины и воспаление</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1684-7849</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">623778</article-id><article-id pub-id-type="doi">10.17816/CI2023231-6</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Characteristics of innate immunity cells after diseases caused by the SARS-COV-2 virus</article-title><trans-title-group xml:lang="ru"><trans-title>Характеристика клеток врожденного иммунитета пациентов, перенесших заболевание, вызванное вирусом SARS-COV-2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8701-7213</contrib-id><name-alternatives><name xml:lang="en"><surname>Plekhova</surname><given-names>N. G.</given-names></name><name xml:lang="ru"><surname>Плехова</surname><given-names>Н. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д.б.н., заведующая Центральной научно-исследовательской лабораторией </p></bio><email>pl_nat@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6632-9800</contrib-id><name-alternatives><name xml:lang="en"><surname>Prosekova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Просекова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д.м.н., профессор, заведующий кафедрой клинической и лабораторной диагностики, общей и клинической иммунологии</p></bio><email>pl_nat@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sitdikova</surname><given-names>T. A.</given-names></name><name xml:lang="ru"><surname>Ситдикова</surname><given-names>Т. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., ассистент кафедры клинической и лабораторной диагностики, общей и клинической иммунологии </p></bio><email>pl_nat@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dubiy</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Дубий</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>ординатор кафедры клинической и лабораторной диагностики, общей и клинической иммунологии </p></bio><email>pl_nat@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mikhailov</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Михайлов</surname><given-names>А. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.м.н., доцент кафедры инфекционных болезней </p></bio><email>pl_nat@hotmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Pacific State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Тихоокеанский государственный медицинский университет» Министерства здравоохранения России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2023</year></pub-date><volume>20</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>41</fpage><lpage>46</lpage><history><date date-type="received" iso-8601-date="2023-11-23"><day>23</day><month>11</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-11-23"><day>23</day><month>11</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Plekhova N.G., Prosekova E.V., Sitdikova T.A., Dubiy A.A., Mikhailov A.O.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Плехова Н.Г., Просекова Е.В., Ситдикова Т.А., Дубий А.А., Михайлов А.О.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Plekhova N.G., Prosekova E.V., Sitdikova T.A., Dubiy A.A., Mikhailov A.O.</copyright-holder><copyright-holder xml:lang="ru">Плехова Н.Г., Просекова Е.В., Ситдикова Т.А., Дубий А.А., Михайлов А.О.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-01-24"/></permissions><self-uri xlink:href="https://cijournal.ru/1684-7849/article/view/623778">https://cijournal.ru/1684-7849/article/view/623778</self-uri><abstract xml:lang="en"><p>Hyperinflammation and dysfunction of the immune response during COVID-19 infection develops due to the reaction of innate immune cells to the introduction of the SARS-CoV-2 virus. The expression of receptors on these cells reflects the degree of their activation and makes it possible to assess the intensity of inflammation. The purpose of this study were to study the structural and functional features of innate immunity cells in patients. The specific gravity and absolute content of neutrophils (CD11b<sup>+</sup>, CD16<sup>+</sup>, CD18<sup>+</sup>) and monocytes (CD14<sup>+</sup>CD16<sup>–</sup>, CD14<sup>–</sup>CD16<sup>+</sup>, CD11b<sup>+</sup>, CD18<sup>+</sup>) in the peripheral blood of patients were determined. The contingent of the study included 60 people, of which: 47 had had a coronavirus infection COVID-19 (confirmed by PCR) in the 12 weeks preceding the study, and 13 had no history of it. In the peripheral blood of people who had COVID-19, compared with those who had not been ill, a significantly lower number of monocytes of the classical (CD14<sup>–</sup>CD16<sup>+</sup>) and, on the contrary, a greater number of non-classical (CD14<sup>+</sup>CD16<sup>–</sup>) cell populations were determined (p&lt;0.05). Also in these individuals, a high proportion of monocytes carrying the adhesion receptors CD11b and CD18 (p&lt;0.01) and a high content of neutrophils expressing the adhesion receptor CD11b<sup>+</sup> and CD16<sup>+</sup> (p&lt;0.05) was noted. Thus, the results of a study of the expression of various types of receptors on monocytes and neutrophils illustrated the long-term preservation of aberrant structural and functional characteristics of innate immunity cells in individuals who underwent COVID-19.</p></abstract><trans-abstract xml:lang="ru"><p>Гипервоспаление и дисфункция иммунного ответа при инфекции COVID-19 развивается вследствие реакции клеток врожденного иммунитета на внедрение вируса SARS-CoV-2. Экспрессия рецепторов на данных клетках отражает степень их активации и позволяет оценивать интенсивность воспаления. Актуальность изучения влияния SARS-CoV-2 на функционирование факторов врожденного иммунитета определили цель и задачи данного исследования с проведением структурно-функциональной характеристики клеток врожденного иммунитета у пациентов. Определяли удельный вес и абсолютное содержание нейтрофилов (CD11b<sup>+</sup>, CD16<sup>+</sup>, CD18<sup>+</sup>) и моноцитов (CD14<sup>+</sup>CD16<sup>–</sup>, CD14<sup>–</sup>CD16<sup>+</sup>, CD11b<sup>+</sup>, CD18<sup>+</sup>) в периферической крови у пациентов. Контингент исследования включал 60 человек, из них: 47 в предшествующие исследованию 12 недель перенесли коронавирусную инфекцию COVID-19 (подтвержденную методом ПЦР) и 13, в анамнезе которых ее не зафиксировано. В периферической крови лиц, перенесших COVID-19, по сравнению с не болевшими, определено значимо меньшее количество моноцитов классической (CD14<sup>–</sup>CD16<sup>+</sup>) и, напротив, большее число неклассической (CD14<sup>+</sup>CD16<sup>–</sup>) популяций клеток (р &lt; 0,05). Также у этих лиц отмечен высокий удельный вес моноцитов, несущих рецепторы адгезии CD11b и CD18 (p &lt; 0,01) и высокое содержание нейтрофилов, экспрессирующих рецептор адгезии CD11b<sup>+</sup> и CD16<sup>+</sup> (р &lt; 0,05). Таким образом, результаты исследования экспрессии различного типа рецепторов на моноцитах и нейтрофилах проиллюстрировали продолжительное сохранение аберрантных структурно-функциональных характеристик клеток врожденного иммунитета у лиц, перенесших COVID-19.</p></trans-abstract><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>SARS-CoV-2 virus</kwd><kwd>innate immune cells</kwd><kwd>monocytes</kwd><kwd>neutrophils</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>вирус SARS-CoV-2</kwd><kwd>клетки врожденного иммунитета</kwd><kwd>моноциты</kwd><kwd>нейтрофилы</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Губенко Н.С., Будко А.А., Плисюк А.Г., Орлова Я.А. Связь показателей общего анализа крови с тяжестью течения COVID-19 у госпитализированных пациентов // Южно-Российский журнал терапевтической практики. 2021. Т. 2(1). С. 90-101. Gubenko N.S., Budko A.A., Plisyuk A.G., Orlova Ya.A. 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