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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">mvjr</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский вестник Юга России</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Herald of the South of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2219-8075</issn><issn pub-type="epub">2618-7876</issn><publisher><publisher-name>The Rostov State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21886/2219-8075-2023-14-2-116-120</article-id><article-id custom-type="elpub" pub-id-type="custom">mvjr-1755</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>АЛЛЕРГОЛОГИЯ И ИММУНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ALLERGOLOGY AND IMMUNOLOGY</subject></subj-group></article-categories><title-group><article-title>Особенности функционирования В-2 лимфоцитов у больных общей вариабельной иммунной недостаточностью в поствакцинальном иммунитете к SARS-CoV-2</article-title><trans-title-group xml:lang="en"><trans-title>Features of the functioning of B-2 lymphocytes in patients with common variable immune deficiency in post-vaccination immunity to SARS-CoV-2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5716-4397</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сизякина</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sizyakina</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Петровна Сизякина, д. м. н., профессор, заведующий кафедрой</p><p>кафедра клинической иммунологии и аллергологии</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Lyudmila P. Sizyakina, Dr. Sci. (Med.), professor, head of the department</p><p>department of clinical immunology and allergology</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">msiziakina@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/0000-0002-7735-4275</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андреева</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Andreeva</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Ивановна Андреева, д. м. н., профессор</p><p>кафедра клинической иммунологии и аллергологии</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Irina I. Andreeva, Dr. Sci. (Med.), professor</p><p>department of clinical immunology and allergology</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">iai3012@rambler.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/0000-0003-0806-6437</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харитонова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharitonova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Владимировна Харитонова, к. м. н., заведующая лабораторией</p><p>лаборатория клинической иммунологии и аллергологии</p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Maria V. Kharitonova, Cand. Sci. (Med.), Head of the Laboratory</p><p>Laboratory of Clinical Immunology and Allergology</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">mari.kharitonova.80@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Medical 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>28</day><month>06</month><year>2023</year></pub-date><volume>14</volume><issue>2</issue><fpage>116</fpage><lpage>120</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сизякина Л.П., Андреева И.И., Харитонова М.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Сизякина Л.П., Андреева И.И., Харитонова М.В.</copyright-holder><copyright-holder xml:lang="en">Sizyakina L.P., Andreeva I.I., Kharitonova M.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.medicalherald.ru/jour/article/view/1755">https://www.medicalherald.ru/jour/article/view/1755</self-uri><abstract><sec><title>   Цель</title><p>   Цель: характеристика В-2 лимфоцитов пациентов с ОВИН в процессе формирования поствакцинального ответа на пептидную вакцину против SARS-CoV-2.</p></sec><sec><title>   Материалы и методы</title><p>   Материалы и методы: в группу исследования вошли 10 человек с диагнозом «ОВИН» из числа когорты пациентов с первичными иммунодефицитами, находящихся под наблюдением НИИ и кафедры клинической иммунологии и аллергологии РостГМУ. Для иммунопрофилактики COVID-19 использовали рекомбинантную пептидную вакцину, которую вводили внутримышечно в дозе 0,5 мл двукратно с интервалом в 21 день. Параметры иммунной системы оценивали до вакцинации, через 21 день после введения первой и второй доз и 72 дня после первой инъекции. Фенотипическую характеристику В-клеток периферической крови проводили методом проточной цитофлуориметрии.</p></sec><sec><title>   Результаты</title><p>   Результаты: до вакцинации у пациентов с ОВИН количество В-клеток памяти с фенотипическим вариантом переключённых и непереключённых к синтезу антител ниже контрольных параметров практически здоровых доноров. Через 21 день после введения первой дозы по отношению к исходным значениям отмечено увеличение непереключённых и переключённых В-клеток памяти, плазмабластов, снижении доли В-регуляторных лимфоцитов. Через 21 день после второй инъекции выявлено увеличение общего пула В-2 лимфоцитов, наивных В-клеток, переключённых В-клеток памяти, плазмабластов. Через месяц указанная тенденция сохранялась.</p></sec><sec><title>   Заключение</title><p>   Заключение: в процессе формирования поствакцинального ответа на пептидную вакцину против SARS-CoV-2 у пациентов с ОВИН выявлена трансформация субпопуляционного состава В-лимфоцитов, в том числе в виде увеличения количества В2-лимфоцитов памяти.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Objective</title><p>   Objective: B-2 lymphocytes characteristic of patients with CVID in the process of forming a post-vaccination response to the peptide vaccine against SARS-CoV-2.</p></sec><sec><title>   Materials and methods</title><p>   Materials and methods: 10 people with CVID diagnosis were included in the study among a cohort of patients with primary immunodeficiency under the supervision of the Research Institute and the Department of Clinical Immunology and allergology of Rostov State Medical University. For the immunoprophylaxis of COVID-19, a recombinant peptide vaccine was used, which was administered intramuscularly at a dose of 0.5 ml twice with an interval of 21 days. The parameters of the immune system were evaluated before vaccination, then 21 days after the first and second doses and 72 days after the first injection. Phenotypic characteristic of peripheral blood B cells was performed by cytofluoriometry flow method.</p></sec><sec><title>   Results</title><p>   Results: before vaccination,  the number of memory B cells with a phenotypic option of switched and unswitched to antibody synthesis at the patients with CVID was lower than the control parameters of practically healthy donors. 21 days after the administration of the first dose, an increase in un-switched and switched memory B cells, plasma blasts, and a decrease in the proportion of B-regulatory lymphocytes were noted in relation to the initial values. 21 days after the second injection, an increase in the total pool of B-2 lymphocytes, naive B cells, switched memory B cells, plasma blasts were revealed. A month later, this tendency continued.</p></sec><sec><title>   Conclusion</title><p>   Conclusion: in the process of forming a post-vaccination response to the peptide vaccine against SARS-CoV-2 in patients with CVID, a transformation of the subpopulation composition of B lymphocytes was revealed, as well as in the form of an increase in the number of memory B2 lymphocytes.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>В-лимфоциты памяти</kwd><kwd>ОВИН</kwd><kwd>SARS-CoV-2</kwd><kwd>поствакцинальный иммунитет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>memory B-lymphocytes</kwd><kwd>CVID</kwd><kwd>SARS-CoV-2</kwd><kwd>post-vaccination immunity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование не имело спонсорской поддержки</funding-statement><funding-statement xml:lang="en">The study did not have sponsorship</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">Cansever M., Patiroglu T. 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