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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">10.15789/1563-0625-2016-2-119-128</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-995</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>ОСОБЕННОСТИ СУБПОПУЛЯЦИЙ Т-ЛИМФОЦИТОВ ХЕЛПЕРОВ, ЭКСПРЕССИРУЮЩИХ CD45RA- И CD31- МАРКЕРЫ, У ДЕТЕЙ ПОСЛЕ ТИМЭКТОМИИ, ВЫПОЛНЕННОЙ ПРИ ХИРУРГИЧЕСКОМ ЛЕЧЕНИИ ВРОЖДЕННОГО ПОРОКА СЕРДЦА</article-title><trans-title-group xml:lang="en"><trans-title>SUBPOPULATION PROFILES OF T HELPER CELLS EXPRESSING CD45RA AND CD31 MARKERS IN CHILDREN AFTER THYMECTOMY PERFORMED UPON SURGICAL TREATMENT OF CONGENITAL HEART DISEASE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ровда</surname><given-names>Ю. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rovda</surname><given-names>Yu. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, заведующий кафедрой педиатрии и неонатологии,</p><p>г. Кемерово</p></bio><bio xml:lang="en"><p>PhD, MD (Medicine), Head, Department of Pediatrics and Neonatology,</p><p>Kemerovo</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шмулевич</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shmulevich</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующая отделением детской кардиологии,</p><p>г. Кемерово</p></bio><bio xml:lang="en"><p>Head, Department of Pediatric Cardiology,</p><p>Kemerovo</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шабалдин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabaldin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., ведущий научный сотрудник лаборатории клеточных технологий,</p><p>652002, г. Кемерово, Сосновый бульвар, 6</p></bio><bio xml:lang="en"><p>PhD, MD (Medicine), Leading Research Associate, Laboratory of Cellular Technologies,</p><p>652002, Kemerovo, Sosnovy blvd, 6</p></bio><email xlink:type="simple">weit2007@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лукоянычева</surname><given-names>Е. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Lukoyanycheva</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующая иммунологической лабораторией,</p><p>г. Кемерово</p></bio><bio xml:lang="en"><p>Head, Immunology Laboratory,</p><p>Kemerovo</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ГБОУ ВПО «Кемеровская государственная медицинская академия» Министерства здравоохранения РФ<country>Россия</country></aff><aff xml:lang="en">Kemerovo State Medical Academy<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">МБУЗ «Кемеровский кардиологический диспансер»<country>Россия</country></aff><aff xml:lang="en">Kemerovo Cardiology Dispensary<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ФГБНУ «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний»<country>Россия</country></aff><aff xml:lang="en">Research Institute for Complex Issues of Cardiovascular Diseases<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">ГАУЗ «Кемеровская областная клиническая больница»<country>Россия</country></aff><aff xml:lang="en">Kemerovo Regional Hospital<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2016</year></pub-date><volume>18</volume><issue>2</issue><fpage>119</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ровда Ю.И., Шмулевич С.А., Шабалдин А.В., Лукоянычева Е.Б., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Ровда Ю.И., Шмулевич С.А., Шабалдин А.В., Лукоянычева Е.Б.</copyright-holder><copyright-holder xml:lang="en">Rovda Y.I., Shmulevich S.A., Shabaldin A.V., Lukoyanycheva E.B.</copyright-holder><license 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/995">https://www.mimmun.ru/mimmun/article/view/995</self-uri><abstract><p>Тимэктомия является этапом хирургического лечения некоторых врожденных пороков сердца. Тимус является центральным органом иммунной системы, где идет Т-лимфопоэз и формируется центральная толерантность к аутоантигенам. Пик функциональной активности тимуса приходится на пренатальный и ранний постнатальный периоды. Проведение тимэктомии в неонатальном периоде и в младенчестве может ограничивать эти функции. Подавление Т-лимфопоэза у детей с тимэктомией может быть оценено по субпопуляции тимических наивных Т-лимфоцитов хелперов (CD3+CD4+CD45RA+CD31+). Для выполнения поставленной задачи проведена оценка суб- популяции тимических наивных Т-лимфоцитов хелперов с фенотипом CD3+CD4+CD45RA+CD31+ у детей (n = 40), перенесших тимэктомию при хирургическом лечении врожденного порока сердца в неонатальном или младенческом периодах постнатальной жизни. Сравнение проводилось с детьми, перенесшими в те же возрастные периоды хирургическое лечение врожденного порока сердца без тимэктомии (n = 12), и со здоровыми детьми (n = 23). Выявлено, что тимэктомия при хирургическом лечении врожденного порока сердца приводит к снижению тимических наивных Т-лимфоцитов хелперов с фенотипом CD3+CD4+CD45RA+CD31+ в периферической крови. Ранний возраст проведения этой операции способствует развитию дефицита в периферической крови как тимических наивных Т-лимфоцитов хелперов с фенотипом CD3+CD4+CD45RA+CD31+, так и Т-лимфоцитов хелперов в целом (CD3+CD4+). Количество в периферической крови тимических наивных Т-лимфоцитов хелперов с фенотипом CD3+CD4+CD45RA+CD31+ отрицательно коррелирует с временем после проведения данной операции у детей с врожденными пороками сердца.</p></abstract><trans-abstract xml:lang="en"><p>Thymectomy is a stage of surgery when treating some congenital heart defects. Thymus gland is the central organ of immune system. This organ is the primary site of T-cell lymphopoiesis and central tolerance to autoantigens during fetal and early postnatal life. If performed neonatally or in infancy, the thymectomy may cause restriction of these immune functions. Suppression of T-cell lymphopoiesis in children with thymectomy can be estimated as a subpopulation of thymic naive T helper cells (CD3+CD4+CD45RA+CD31+). To perform this task, we evaluated subpopulations of thymic naive T helper lymphocytes with CD3+CD4+CD45RA+CD31+ phenotype in the children (n = 40) who underwent thymectomy during surgical treatment of congenital heart diseases in neonates, or in early postnatal life. Their data were compared with children who underwent surgical treatment of congenital heart disease without thymectomy at the same age periods (n = 12), and healthy children (n = 23). We have revealed that thymectomy in frames of surgery of congenital heart disease leads to reduced thymic naive T helper lymphocytes with CD3+CD4+CD45RA+CD31+ phenotype in peripheral blood. Early execution of thymectomy is associated with deficiency of the thymic naive T helper lymphocytes in the peripheral blood, as well as a decrease in T helper cells (CD3+CD4+). The number thymic naive T helper lymphocytes in peripheral blood negatively corrrelated with terms elapsed after the surgery of congenital heart defects in children.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>врожденные пороки сердца</kwd><kwd>тимэктомия</kwd><kwd>CD31</kwd><kwd>CD45RA</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Congenital heart anomalies</kwd><kwd>thymectomy</kwd><kwd>CD31</kwd><kwd>CD45RA</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">Кудрявцев И.В. Т-клетки памяти: основные популяции и стадии дифференцировки // Российский иммунологический журнал, 2014. Т. 8, № 17. С. 947-964. [Kudryavtsev I.V. T-memory cells: basic population and stage of differentiation. 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