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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-TLO-2739</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2739</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group></article-categories><title-group><article-title>Т-лимфоциты 2-го типа иммунного ответа и их роль в усилении воспаления при выполнении профессиональной деятельности пожарных</article-title><trans-title-group xml:lang="en"><trans-title>T-lymphocytes of the 2nd type of the immune response and their role in enhancing inflammation during the professional activities of firefighters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6907-2817</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бычкова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bychkova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бычкова Н.В. – к.б.н., ведущий научный сотрудник научно-исследовательского отдела лабораторной диагностики; доцент кафедры иммунологии </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Bychkova N.V., PhD (Biology), Leading Researcher, Research Department of Laboratory Diagnostics; Associate Professor, Department of Immunology,</p><p>St. Petersburg</p></bio><email xlink:type="simple">bnv19692007@yandex.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/0000-0002-5338-0866</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калашникова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalashnikova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калашникова А.А. – к.б.н., старший научный сотрудник научно-исследовательского отдела лабораторной диагностики </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Kalashnikova A.A., PhD (Biology), Senior Research Associate, Research Department of Laboratory Diagnostics </p><p>St. Petersburg</p></bio><email xlink:type="simple">petkova_nas@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8076-8332</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калинина</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinina</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калинина Н.М. – д.м.н., главный научный сотрудник научно-исследовательского отдела лабораторной диагностики; профессор кафедры иммунологии </p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Kalinina N.M., PhD, MD (Medicine), Chief Research Associate, Research Department of Laboratory Diagnostics; Professor, Department of Immunology </p><p>St. Petersburg</p></bio><email xlink:type="simple">doctkalin@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Всероссийский центр экстренной и радиационной медицины имени А.М. Никифорова» МЧС России;&#13;
ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет имени академика И.П. Павлова» Министерства здравоохранения РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A. Nikiforov Russian Centre of Emergency and Radiation Medicine;&#13;
First St. Petersburg State I. Pavlov Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Всероссийский центр экстренной и радиационной медицины имени А.М. Никифорова» МЧС России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A. Nikiforov Russian Centre of Emergency and Radiation Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>06</month><year>2023</year></pub-date><volume>25</volume><issue>4</issue><fpage>741</fpage><lpage>746</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бычкова Н.В., Калашникова А.А., Калинина Н.М., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Бычкова Н.В., Калашникова А.А., Калинина Н.М.</copyright-holder><copyright-holder xml:lang="en">Bychkova N.V., Kalashnikova A.A., Kalinina N.M.</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.mimmun.ru/mimmun/article/view/2739">https://www.mimmun.ru/mimmun/article/view/2739</self-uri><abstract><p>Т-лимфоциты 2-го типа иммунного ответа способствуют развитию и обострению воспаления, главным образом аллергического. Усиление воспаления при длительном воздействии неблагоприятных факторов при работе пожарных может привести к развитию различных заболеваний. Оценка иммунитета пожарных важна для назначения адекватного лечения и профилактики инфекционных и аллергических заболеваний. Целью работы стал анализ показателей иммунитета у сотрудников государственной противопожарной службы МЧС России в зависимости от возраста и интенсивности профессиональной нагрузки. Обследованы мужчины (n = 79), средний возраст 31 год, стаж работы от 1 года до 22 лет с различной интенсивностью нагрузки. В периферической крови методом проточной цитометрии (Navios, FC 500, Beckman Coulter) оценивали субпопуляции моноцитов, относительное количество Т-лимфоцитов 2-го типа иммунного ответа СD3+СD294+. Определяли концентрацию общего иммуноглобулина Е (Immulite). В секрете носовых ходов оценивали содержание секреторного иммуноглобулина А (Вектор Бест) (n = 30). Статистическую обработку результатов проводили с помощью пакета Statistica 12.0 (StatSoft). Увеличение количества СD3+СD294+ клеток наблюдали в 16,5%. Выявили прямую корреляционную зависимость количества Т-лимфоцитов 2 и возраста обследованных лиц (р &lt; 0,05). В группе пожарных с более интенсивной нагрузкой в 5 раз выше встречали повышение количества СD3+СD294+ клеток (р &lt; 0,05). Среди пациентов, имевших какое-либо заболевание респираторного тракта, увеличение этой популяции наблюдали статистически значимо чаще – в 26% случаев против 11,5%. Выявили сильную прямую корреляционную зависимость количества Т-лимфоцитов 2 и длительности стажа курения (р &lt; 0,05). Установили прямую корреляционную зависимость количества Т-лимфоцитов 2 и концентрации общего IgE (р &lt; 0,05). Снижение секреторного IgA в секрете из носовых ходов наблюдали у 23% пожарных, у 13% обследованных показатель выходил за верхнюю границу референтного интервала. Значимо чаще выявляли отклонение этого показателя от референтных значений у пожарных с высокой нагрузкой. Установили повышение субпопуляции классических моноцитов в группе обследованных с высоким количеством СD3+СD294+ клеток (р &lt; 0,05). Таким образом, с увеличением профессиональной нагрузки пожарных в неблагоприятных условиях несения службы отмечается угнетение противоинфекционной защиты и усугубление повреждения респираторного тракта при усилении 2-го типа иммунного ответа. Оценка количества Т-лимфоцитов 2-го типа в периферической крови позволит выявить предрасположенность к Т2 профилю иммунного воспаления, что будет способствовать персонифицированному подходу к ведению пациентов. </p></abstract><trans-abstract xml:lang="en"><p>T lymphocytes of the 2nd type of immune response contribute to the development and exacerbation of inflammation, mainly allergic. Increased inflammation with prolonged exposure to adverse factors during the work of firefighters can lead to the development of various diseases. Evaluation of the immunity of firefighters is important for the appointment of adequate treatment and prevention of infectious and allergic diseases. This paper aimed to analyze the indicators of immunity in employees of the state fire service of EMERCOM of Russia, depending on the age and intensity of the professional workload. The surveyed were men (n = 79), mean age 31 years, work experience from 1 to 22 years, with different workload intensity. In peripheral blood, flow cytometry (Navios, FC 500, Beckman Coulter) was used to evaluate subpopulations of monocytes, the relative number of T lymphocytes of the 2nd type of immune response CD3+CD294+. The concentration of total immunoglobulin E (Immulite) was determined. From nasal secretions, the content of secretory immunoglobulin A (Vector Best) was evaluated (n = 30). Statistical processing of the results was performed using the Statistica 12.0 package (StatSoft). An increase in the number of CD3+CD294+ cells was observed in 16.5%. A direct correlation was found between the number of T lymphocytes 2 and the age of the examined persons (р &lt; 0.05). In the group of firefighters with a more intense workload, an increase in the number of CD3+CD294+ cells were 5 times higher (р &lt; 0.05). Among patients who had any disease of the respiratory tract, an increase in this population was observed statistically significantly more often – in 26% of cases versus 11.5%. A strong direct correlation was found between the number of T lymphocytes 2 and the duration of smoking experience (р &lt; 0.05). A direct correlation was established between the number of T lymphocytes 2 and the concentration of total IgE (р &lt; 0.05). A decrease in secretory IgA in the secret from the nasal passages was observed in 23% of firefighters, in 13% of the examined, the indicator went beyond the upper limit of the reference interval. Significantly more often revealed the deviation of this indicator from the reference values in firefighters with a high workload. An increase in the subpopulation of classical monocytes was established in the group of those examined with a high number of CD3+CD294+ cells (p &lt; 0.05). Thus, with an increase in the professional workload of firefighters in unfavorable conditions of service, inhibition of protection to infection and aggravation of damage to the respiratory tract with an increase in the 2nd type of immune response are noted. Evaluation of the number of type 2 T lymphocytes in peripheral blood will reveal a predisposition to the T2 profile of immune inflammation, which will contribute to a personalized approach to patient management.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Т-лимфоциты 2</kwd><kwd>СD3+СD294+ клетки</kwd><kwd>пожарные</kwd><kwd>воспаление</kwd><kwd>секреторный иммуноглобулин A</kwd><kwd>общий иммуноглобулин E</kwd></kwd-group><kwd-group xml:lang="en"><kwd>T lymphocytes 2</kwd><kwd>СD3+СD294+ cells</kwd><kwd>firefighters</kwd><kwd>inflammation</kwd><kwd>secretory immunoglobulin A</kwd><kwd>total immunoglobulin E</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bychkova N.V. CD3+CD294+T cells of the type 2 immune response: their role in allergic inflammation. Medical Immunology (Russia), 2022, Vol. 24, no. 5, pp. 935-946. 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