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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="brief-report" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Russian Journal of Immunology</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">16742</article-id><article-id pub-id-type="doi">10.46235/1028-7221-16742-FOP</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Short Communication</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Frequency of polymorphism of the <italic>C-589T IL4</italic> and <italic>G-1082A IL10</italic> genes in children with new coronavirus infection</article-title><trans-title-group xml:lang="ru"><trans-title>Частота встречаемости полиморфизма генов <italic>C-589T IL4</italic> и <italic>G-1082A IL10</italic> у детей с новой коронавирусной инфекцией</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ageeva</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Агеева</surname><given-names>Е. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Associate Professor, Head, Department of Medical Biology</p></bio><bio xml:lang="ru"><p>д.м.н., доцент, заведующая кафедрой медицинской биологии</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ablaeva</surname><given-names>R. N.</given-names></name><name xml:lang="ru"><surname>Аблаева</surname><given-names>Р. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Assistant, Department of Medical Biology</p></bio><bio xml:lang="ru"><p>ассистент кафедры медицинской биологии</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rymarenko</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Рымаренко</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Professor, Department of Pediatrics with a Course in Childhood Infectious Diseases</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, профессор кафедры педиатрии с курсом инфекционных болезней</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yatskov</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Яцков</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Head, Department of Internal Medicine No. 2</p></bio><bio xml:lang="ru"><p>к.м.н., доцент кафедры внутренней медицины № 2</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Beloglazov</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Белоглазов</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, MD (Medicine), Professor, Head, Department of Internal Medicine No. 2</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, заведующий кафедрой внутренней медицины № 2</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhukova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Жукова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Biology), Associate Professor, Department of Medical Biology</p></bio><bio xml:lang="ru"><p>к.б.н., доцент кафедры медицинской биологии</p></bio><email>ageevaeliz@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Order of Labor Red Banner S. Georgievsky Medical Institute, V. Vernadsky Crimean Federal University</institution></aff><aff><institution xml:lang="ru">Ордена Трудового Красного Знамени Медицинский институт имени С.И. Георгиевского ФГАОУ ВО «Крымский федеральный университет имени В.И. Вернадского»</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-04-09" publication-format="electronic"><day>09</day><month>04</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-08-12" publication-format="electronic"><day>12</day><month>08</month><year>2024</year></pub-date><volume>27</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>323</fpage><lpage>328</lpage><history><date date-type="received" iso-8601-date="2024-03-29"><day>29</day><month>03</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-04-05"><day>05</day><month>04</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Ageeva E.S., Ablaeva R.N., Rymarenko N.V., Yatskov I.A., Beloglazov V.A., Zhukova A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Агеева Е.С., Аблаева Р.Н., Рымаренко Н.В., Яцков И.А., Белоглазов В.А., Жукова А.А.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Ageeva E.S., Ablaeva R.N., Rymarenko N.V., Yatskov I.A., Beloglazov V.A., Zhukova A.A.</copyright-holder><copyright-holder xml:lang="ru">Агеева Е.С., Аблаева Р.Н., Рымаренко Н.В., Яцков И.А., Белоглазов В.А., Жукова А.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rusimmun.ru/jour/article/view/16742">https://rusimmun.ru/jour/article/view/16742</self-uri><abstract xml:lang="en"><p>Immune responses are involved in the initiation and development of COVID-19. Compared with mild COVID-19 cases, serum interleukins levels were significantly increased in severe and critical COVID-19 patients. Increases in IL-4 and IL-10 are associated with disease severity. The <italic>C-589T</italic> polymorphism of <italic>IL4</italic> gene is associated with increased promoter activity of gene. Allelic variants <italic>GA</italic> and <italic>GG-1082</italic> of <italic>IL10</italic> gene have greater activity compared to the <italic>AA-1082</italic> <italic>IL10</italic>. The purpose was to study the frequency of occurrence of polymorphic variants of the <italic>C-589T</italic> IL4 and <italic>G-1082A</italic> IL10 genes in children with a new coronavirus infection in the population of Crimea. Methods. Examined: 68 patients aged 0 to 14 years with a diagnosis of moderate and severe COVID-19, 100 adult patients (45.6±6.14 years). The frequency of occurrence of polymorphisms of the <italic>C-589T</italic> <italic>IL4</italic> and <italic>G-1082A IL10</italic> genes was analyzed. Results. The <italic>CC</italic> and <italic>CT</italic> variants of the <italic>C-589T</italic> <italic>IL4</italic> in the group of children were more common than the <italic>TT C-589T IL4</italic> variants. Statistically significant differences in the frequency of occurrence of the mutant <italic>CC</italic> genotype of the <italic>C-589T IL4</italic> were shown between groups of children and adults. Statistical analysis did not reveal any genotype differences with disease in either children or adults. Analysis of the prevalence of <italic>G-1082A</italic> <italic>IL10</italic> genotypes showed that in children the most common is <italic>GA.</italic> The same trend is typical for adults and control group. Conclusions. Analysis of the odds ratio showed that there was no pathogenetic significance between the polymorphism of the <italic>C-589T IL4</italic> and <italic>G-1082A</italic> <italic>IL10</italic> genes and the risk of developing a new coronavirus infection in the studied groups.</p></abstract><trans-abstract xml:lang="ru"><p>Иммунные реакции участвуют в инициации и развитии COVID-19. По сравнению с легкими случаями COVID-19 уровни интерлейкинов в сыворотке крови значительно повышались у тяжелых и критических пациентов с COVID-19. Повышение IL-4 и IL-10 связано с тяжестью заболевания. Полиморфизм <italic>С-589Т </italic>гена <italic>IL4</italic> ассоциирован с повышенной промоторной активностью гена. Аллельные варианты <italic>GA</italic> и <italic>GG-1082</italic> гена<italic> IL10 </italic>обладают большей активностью по сравнению с генотипом АА-1082 гена <italic>IL10</italic>.</p> <p>Целью исследования было изучение частоты встречаемости полиморфных вариантов генов<italic> C-589T IL4</italic> и <italic>G-1082A IL10</italic> у детей с новой коронавирусной инфекцией в популяции Республики Крым.</p> <p>Обследованы 68 пациентов в возрасте от 0 до 14 лет с диагнозом «НКИ средней и тяжелой степени тяжести», 100 взрослых пациентов (45,6±6,14 года). Анализировали частоту встречаемости полиморфизма генов <italic>C-589T</italic> <italic>IL4,</italic> <italic>G-1082A</italic> <italic>IL10</italic>.</p> <p>Варианты СС и СТ полиморфизма <italic>C-589T</italic> гена <italic>IL4</italic> в группе детей с НКИ встречались чаще, чем<italic> ТТ</italic> <italic>C-589T IL4</italic>. Статически значимые различия по частоте встречаемости мутантного генотипа <italic>СС</italic> полиморфизма <italic>C-589T</italic> гена <italic>IL4</italic> были показаны между группой детей и взрослых. При проведении статического анализа не было выявлено каких-либо различий генотипов с заболеванием НКИ ни у детей, ни у взрослых. Анализ распространенности генотипов <italic>G-1082A</italic> <italic>IL10</italic> показал, что у детей наиболее частым является – GA, такая же тенденция характерна и для взрослых, и для группы контроля.</p> <p>Анализ отношения шансов показал, что патогенетического значения между полиморфизмом генов <italic>C-589T</italic> <italic>IL4</italic> и <italic>G-1082A</italic> <italic>IL10</italic> и риском развития новой коронавирусной инфекции в исследованных группах выявлено не было.</p></trans-abstract><kwd-group xml:lang="en"><kwd>polymorphism</kwd><kwd>new coronavirus infection</kwd><kwd>C-589T IL4</kwd><kwd>G-1082A IL10</kwd><kwd>children</kwd><kwd>COVID-19</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>полиморфизм</kwd><kwd>новая коронавирусная инфекция</kwd><kwd>C-589T IL4</kwd><kwd>G-1082A IL10</kwd><kwd>дети</kwd><kwd>COVID-19</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Балтийский федеральный университет им. И. Канта</institution></institution-wrap><institution-wrap><institution xml:lang="en">Immanuel Kant Baltic Federal University</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Carlini V., Noonan D.M., Abdalalem E., Goletti D., Sansone C., Calabrone L., Albini A. The multifaceted nature of IL-10: regulation, role in immunological homeostasis and its relevance to cancer, COVID-19 and post-COVID conditions. Front. Immunol., 2023, Vol. 14, 1161067. doi: 10.3389/fimmu.2023.1161067.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Chang Y., Bai M., You Q. Associations between serum interleukins (IL-1β, IL-2, IL-4, IL-6, IL-8, and IL- 10) and disease severity of COVID-19: A systematic review and meta-analysis. Biomed. Res. 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