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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">diaendo</journal-id><journal-title-group><journal-title xml:lang="ru">Сахарный диабет</journal-title><trans-title-group xml:lang="en"><trans-title>Diabetes mellitus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-0351</issn><issn pub-type="epub">2072-0378</issn><publisher><publisher-name>Endocrinology research centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/2072-0351-5483</article-id><article-id custom-type="elpub" pub-id-type="custom">diaendo-5483</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Роль регуляторных CD4+CD25+high Т-лимфоцитов и их функциональной активности в развитии и прогрессировании сахарного диабета 1 типа</article-title><trans-title-group xml:lang="en"><trans-title>The role of regulatory CD4+CD25+high T-lymphocytes and their functional activity in the development of type 1 diabetes mellitus</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>Никонова</surname><given-names>Татьяна Васильевна</given-names></name><name name-style="western" xml:lang="en"><surname>Nikonova</surname><given-names>Tatiana Vasil'evna</given-names></name></name-alternatives><email xlink:type="simple">tatiana_nikonova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Апанович</surname><given-names>Павел Васильевич</given-names></name><name name-style="western" xml:lang="en"><surname>Apanovich</surname><given-names>Pavel Vasil'evich</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пекарева</surname><given-names>Елена Владимировна</given-names></name><name name-style="western" xml:lang="en"><surname>Pekareva</surname><given-names>Elena Vladimirovna</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горелышева</surname><given-names>Вера Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Gorelysheva</surname><given-names>Vera Anatol'evna</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прокофьев</surname><given-names>Сергей Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Prokof'ev</surname><given-names>Sergey Alexandrovich</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпухин</surname><given-names>Александр Васильевич</given-names></name><name name-style="western" xml:lang="en"><surname>Karpukhin</surname><given-names>Alexander Vasil'evich</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дедов</surname><given-names>Иван Иванович</given-names></name><name name-style="western" xml:lang="en"><surname>Dedov</surname><given-names>Ivan Ivanovich</given-names></name></name-alternatives><email xlink:type="simple">-</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГУ Эндокринологический научный центр, Москва</institution></aff><aff xml:lang="en"><institution>Endocrinological Research Centre, Moscow</institution></aff></aff-alternatives><aff xml:lang="ru" id="aff-2"><institution>Медико-генетический научный центр, Москва</institution></aff><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГУ Эндокринологический научный центр, Москва</institution></aff><aff xml:lang="en"><institution>Endocrinology Research Centre, Moscow</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>15</day><month>09</month><year>2010</year></pub-date><volume>13</volume><issue>3</issue><issue-title>№3 (2010)</issue-title><fpage>25</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никонова Т.В., Апанович П.В., Пекарева Е.В., Горелышева В.А., Прокофьев С.А., Карпухин А.В., Дедов И.И., 2010</copyright-statement><copyright-year>2010</copyright-year><copyright-holder xml:lang="ru">Никонова Т.В., Апанович П.В., Пекарева Е.В., Горелышева В.А., Прокофьев С.А., Карпухин А.В., Дедов И.И.</copyright-holder><copyright-holder xml:lang="en">Nikonova T.V., Apanovich P.V., Pekareva E.V., Gorelysheva V.A., Prokof'ev S.A., Karpukhin A.V., Dedov I.I.</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.dia-endojournals.ru/jour/article/view/5483">https://www.dia-endojournals.ru/jour/article/view/5483</self-uri><abstract><p>Сахарный диабет 1 типа (СД1) - заболевание, связанное с нарушением (дефектом) иммунологической толерантности к собственнымантигенам и селективным разрушением ?-клеток панкреатических островков СD8+ (цитотоксическими) и СD4+ (эффекторными) лим-фоцитами. Механизмы поддержания аутотолерантности включают CD4+CD25+high T-регуляторные клетки (Treg), супрессивная активность которых определяется экспрессией в них гена FoxP3.Цель.  Определение количественных и функциональных изменений, происходящих на уровне регуляторного звена иммунитета у лиц в группериска развития СД1 и у пациентов с различной длительностью СД1.Материал и методы. В исследование было включено 116 больных (67 мужчин, 49 женщин) СД1 с различной длительностью заболевания,33 человека (10 мужчин, 23 женщины) составили группу риска и 16 человек - контрольную группу. У всех обследуемых было проведеноHLA-генотипирование, определение аутоантител к глютаматдекарбоксилазе (ГДК), инсулину, тирозинфосфатазе, антигенам ост-ровковых клеток, определение субпопуляционного состава лимфоцитов CD3+, CD4+, CD8+, CD38+, HLA DR+, CD25+, CD4+25+ и их функ-циональной активности (интенсивности экспрессии гена FoxP3), С-пептида, HbA1c . Результаты.  Отмечена тенденция к повышению относительного количества CD25+ и CD4+25+ T-лимфоцитов и тенденция к сниже-нию экспрессии гена FoxP3 в группе риска по сравнению с контролем (р&lt;0,1). В этих группах определялась достоверная разница в про-центном содержании активационных молекул CD38 и HLA-DR+ (p&lt;0,05). В группе больных с впервые выявленным СД количествоТ-регуляторных лимфоцитов не отличалось от такового в группе контроля (p&gt;0,05). Однако их функциональная активность (уровеньэкспрессии гена FoxP3) была достоверно ниже, чем в контроле (p&lt;0,001). Низкая интенсивность экспрессии гена FoxP3 в сравнениис контролем в дальнейшем отмечалась при любой продолжительности заболевания. Заключение.  Впервые определена интенсивность экспрессии гена FoxP3 и количество CD4+CD25+hight T-регуляторных клеток при раз-личной длительности СД. Выявлено достоверное снижение функциональной активности Т-регуляторных клеток при любой длительно-сти заболевания, несмотря на отсутствие существенной разницы в их количестве у больных СД1 по сравнению с контрольнымизначениями. У пациентов группы риска отмечено достоверное увеличение пула активированных лимфоидных клеток, повышение содер-жания Тreg и снижение экспрессии гена FoxP3.</p></abstract><trans-abstract xml:lang="en"><p>Type 1 diabetes mellitus (DM1) is associated with compromised (defective) immunologic tolerance to autoantigens and selective destruction of pancreatic B-cells by CD4+ (effector) and CD8 (cytotoxic) lymphocytes. The mechanisms of autotolerance involve CD4+CD25+high T-regulatory cells (Treg) whose suppressor activity depends on the expression of the FoxP3 gene. Aim. Detection of quantitative and functional alterations at the level of regulation of immunity in subjects at risk of DM1 and patients with different duration of DM1. Materials and methods. 116 patients (67 men and 49 women) with different duration of DM1. The risk group was comprised of 33 subjects (10 men and 23 women), control group included 16 subjects. In all cases, HLA genotyping was performed, autoantibodies to GDC, insulin and tyrosine phosphatase, islet cell antigens were determined, subpopulation composition of CD3+, CD4+, CD8+, CD38+, HLA DR+, CD25+, CD4+25+ lymphocytes and their functional activities (FoxP3 gene expression) studied, C-peptie and HbA1c levels measured. Results. A tendency toward a rise in Cd25+ and CD4+25+ T-lymphocytes and a decrease in FoxP3 expression was documented in the risk group compared with control (p0.05) but their functional activity was lower (p</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сахарный диабет 1 типа</kwd><kwd>группа риска</kwd><kwd>CD4+CD25+hight T-регуляторные клетки</kwd><kwd>ген FoxP3</kwd></kwd-group><kwd-group xml:lang="en"><kwd>type 1 diabetes mellitus</kwd><kwd>subjects at risk if DM1</kwd><kwd>CD4+CD25+high regulatory T-lymphocytes</kwd><kwd>FoxP3 gene</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">Sakaguchi S., Sakaguchi N., Shimizu J. et al. Immunologic tolerance maintained by CD25+CD4+ regulatory T cells: their common role in controlling autoimmunity, tumor immunity, and transplantation tolerance // Immunol. 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