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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">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2023-68-5-37-44</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-1872</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Состояние Т-клеточного иммунитета детей при сочетанном инфицировании SARS-CоV-2 и герпесвирусами</article-title><trans-title-group xml:lang="en"><trans-title>T-cell immunity status of children with combined infection with SARS-CoV-2 and human herpesviruses</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7763-5512</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Халиуллина</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khaliullina</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Халиуллина Светлана Викторовна — д.м.н., проф. кафедры детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</p></bio><email xlink:type="simple">svekhal@mail.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/0000-0003-1050-9081</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анохин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Anokhin</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анохин Владимир Алексеевич — д.м.н., проф., зав. кафедрой детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</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/0000-0002-1348-728X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Раимова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Raimova</surname><given-names>Ya. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Раимова Юлия Алексеевна — асп. кафедры детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</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/0009-0005-7831-8494</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Насырова</surname><given-names>Э. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nasyrova</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Насырова Эльмира Ильдаровна — ординатор кафедры детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</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/0000-0001-9394-5879</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сабитова</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Sabitova</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сабитова Альфия Махмутовна — к.м.н., доц. кафедры детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</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/0000-0001-9851-2386</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евдокимова</surname><given-names>А. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Evdokimovа</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евдокимова Арина Эдуардовна — врач; ординатор кафедры детских инфекций </p><p>420012 Казань, ул. Бутлерова, д. 49;420110 Казань, Проспект Победы, д. 83</p></bio><bio xml:lang="en"><p>Kazan</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/0000-0002-6085-1275</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маннанова</surname><given-names>Э. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Mannanova</surname><given-names>E. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маннанова Эльмира Фарходовна — асс. кафедры хирургии, акушерства и гинекологии с курсом ЛОР-болезней Института фундаментальной медицины и биологии </p><p>420012 Казань, ул. Карла Маркса, д. 76</p></bio><bio xml:lang="en"><p>Kazan</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский государственный медицинский университет» Минздрава России;&#13;
ГАУЗ «Республиканская инфекционная больница им. проф. А.Ф. Агафонова» Минздрава Республики Татарстан</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University;&#13;
Agafonov Republican Clinical Infectious Diseases Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГАОУ ВО «Казанский (Приволжский) федеральный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan (Volga region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>15</day><month>11</month><year>2023</year></pub-date><volume>68</volume><issue>5</issue><fpage>37</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/1872">https://www.ped-perinatology.ru/jour/article/view/1872</self-uri><abstract><p>Существует мнение, что COVID-19 может быть причиной реактивации герпесвирусов. Цель исследования. Изучить состояние клеточного звена адаптивного иммунитета при сочетанном варианте течения герпесвирусных инфекций и COVID-19, описать клинико-лабораторные характеристики таких состояний. Материалы и методы. В 2022–2023 гг. проведено перекрестное исследование. Отобран 71 пациент в возрасте от 1 мес до 16 лет. Критерии включения: наличие признаков острого респираторного заболевания, ассоциированного с SARS-CoV-2 и/или мононуклеозоподобного синдрома, связанного с активной герпесвирусной инфекцией. Все пациенты проходили стандартное лабораторное обследование, определенное нозологией, и дополнительно оценку клеточного звена адаптивного иммунитета (CD3+, CD4+, CD8+, CD3+HLA-DR+, CD3-CD16+CD56+ и CD20+) на проточном цитофлуориметре с использованием моноклональных антител. Результаты и выводы. Клиническая картина сочетанного течения герпесвирусной инфекции и SARS-CoV-2 мало отличается от таковой моноинфекций. Только при первичной встрече с вирусом Эпштейна–Барр чаще регистрировали лимфопролиферативный синдром и гепатомегалию (р&lt;0,05). Сравнивая характер клеточного иммунного ответа у пациентов с COVID-19 и герпесвирусной инфекцией, мы наблюдали выраженные различия. У пациентов с первичной герпесвирусной инфекцией Т-клеточный иммунный ответ был на порядок выше, чем при остром COVID-19, реактивации герпесвирусов и сочетанном варианте инфицирования, причем это касалось всех изучаемых субпопуляций лимфоцитов. При SARS-CoV-2 наблюдали снижение общего числа T-лимфоцитов, Т-хелперов, цитотоксических лимфоцитов. Это состояние, безусловно, нельзя назвать иммуносупрессией, но некоторая параллель явно прослеживается. Даже при сочетанном течении SARS-CoV-2 и герпесвирусной инфекции абсолютные значения Т-клеточного иммунитета не достигают тех же показателей у пациентов без COVID-19. Вероятно, именно эта причина лежит в основе феномена реактивации персистирующих герпесвирусов у пациентов, инфицированных SARS-CoV-2.</p></abstract><trans-abstract xml:lang="en"><p>There is an opinion that COVID-19 may be the cause of the reactivation of herpesviruses. Purpose. To study the state of the cellular link of adaptive immunity in the combined course of herpesvirus infections and COVID-19, to describe the clinical and laboratory characteristics of such conditions. Material and methods. In 2022–2023 a cross-sectional study was conducted. 71 patients aged from 1 month to 16 years were selected. Inclusion criteria: presence of signs of acute respiratory disease associated with SARS-CoV-2 and/or mononucleosis-like syndrome associated with active herpesvirus infection. All patients underwent a standard laboratory examination, determined by nosology, and an additional assessment of the cellular link of adaptive immunity (CD3+, CD4+, CD8+, CD3+HLA-DR+, CD3- CD16+CD56+ and CD20+) on a flow cytometer using monoclonal antibodies. Results and conclusion. The clinical pattern of the combined course of herpesvirus infection and SARS-CoV-2 differs little from monoinfections. Only at the first encounter with the Epstein-Barr virus, lymphoproliferative syndrome and hepatomegaly were more often recorded (p&lt;0.05). Comparing the nature of the cellular immune response in patients with COVID-19 and herpesvirus infection, we observed pronounced differences. In patients with primary herpesvirus infection, the T-cell immune response was an order of magnitude higher than in acute COVID-19, herpesvirus reactivation, and co-infection, and this was true for all studied lymphocyte subpopulations. With SARS-CoV-2, a decrease in the total number of T-lymphocytes, T-helpers, and cytotoxic lymphocytes was observed. This condition, of course, cannot be called immunosuppression, but some parallel is clearly traced. And even with the combined course of SARS-CoV-2 and herpesvirus infection, the absolute values of T-cell immunity indicators do not reach the same indicators in patients without COVID-19. It is likely that this reason underlies the phenomenon of reactivation of persistent herpesviruses in patients infected with SARS-CoV-2.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>SARS-CoV-2</kwd><kwd>COVID-19</kwd><kwd>герпесвирусы</kwd><kwd>Т-клеточный иммунитет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>SARS-CoV-2</kwd><kwd>COVID-19</kwd><kwd>human herpesviruses</kwd><kwd>T-cell immunity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена по материалам исследований, выполненных в рамках гранта ФГБОУ ВО Казанского ГМУ Минздрава России № 2/22–1 от 1.08.2022 года «Клинико-лабораторные предикторы постковидных состояний в разных возрастных группах».</funding-statement><funding-statement xml:lang="en">The article was prepared based on the materials of studies carried out within the framework of the Grant of the Kazan State Medical University of the Ministry of Health of Russia No. 2/22–1 dated August 1, 2022 “Clinical and laboratory predictors of post-COVID conditions in different age groups”</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">Sehrawat S., Kumar D., Rouse B.T. 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