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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">10.15789/1563-0625-2012-1-2-59-66</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-297</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>PD-1/B7-H1-ОПОСРЕДОВАННАЯ ПРО-АПОПТОГЕННАЯ АКТИВНОСТЬ ДЕНДРИТНЫХ КЛЕТОК КАК ВОЗМОЖНЫЙ МЕХАНИЗМ НАРУШЕНИЯ АНТИГЕН-СПЕЦИФИЧЕСКОГО ОТВЕТА У БОЛЬНЫХ ТУБЕРКУЛЕЗОМ ЛЕГКИХ</article-title><trans-title-group xml:lang="en"><trans-title>THE PD-1/B7-H1-MEDIATED PRO-APOPTOTIC ACTIVITY OF DENDRITIC CELLS AS A POSSIBLE MECHANISM OF ANTIGEN-SPECIFIC RESPONSE FAILURE IN PATIENTS WITH PULMONARY TUBERCULOSIS</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>Сахно</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sakhno</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>630099, г. Новосибирск, ул. Ядринцевская, 14. Тел.: (383) 236-03-29.</p></bio><email xlink:type="simple">ct_lab@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>Тихонова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tikhonova</surname><given-names>M. A.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@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>Тыринова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyrinova</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@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>Леплина</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Leplina</surname><given-names>O. Yu.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@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>Никонов</surname><given-names>С. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Niconov</surname><given-names>S. D.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@mail.ru</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>Жданов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhdanov</surname><given-names>O. A.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@mail.ru</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>Останин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ostanin</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@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>Черных</surname><given-names>Е. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernykh</surname><given-names>E. R.</given-names></name></name-alternatives><email xlink:type="simple">ct_lab@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>НИИ клинической иммунологии СО РАМН, г. Новосибирск</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ОГУЗ Новосибирская клиническая туберкулезная больница № 1, г. Новосибирск</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>19</day><month>07</month><year>2014</year></pub-date><volume>14</volume><issue>1-2</issue><fpage>59</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сахно Л.В., Тихонова М.А., Тыринова Т.В., Леплина О.Ю., Никонов С.Д., Жданов О.А., Останин А.А., Черных Е.Р., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Сахно Л.В., Тихонова М.А., Тыринова Т.В., Леплина О.Ю., Никонов С.Д., Жданов О.А., Останин А.А., Черных Е.Р.</copyright-holder><copyright-holder xml:lang="en">Sakhno L.V., Tikhonova M.A., Tyrinova T.V., Leplina O.Y., Niconov S.D., Zhdanov O.A., Ostanin A.A., Chernykh E.R.</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/297">https://www.mimmun.ru/mimmun/article/view/297</self-uri><abstract><p>Резюме. Целью работы явилось изучение PD-1/B7-H1-сигнального пути индукции апоптоза и анергии Т-клеток, как одного из возможных механизмов снижения антиген-специфического ответа против M. tuberculosis. Было обследовано 76 больных туберкулезом легких (ТБЛ), различающихся по уровню ответа на туберкулиновый очищенный белковый дериват (PPD). Установлено, что у больных ТБЛ дендритные клетки (ДК), генерированные in vitro из моноцитов крови в присутствии GMCSF+IFNα, характеризуются повышенной экспрессией В7-Н1, высоким уровнем продукции IL-10 и низкой аллостимуляторной активностью в СКЛ. Показано также, что ДК больных ТБЛ усиливают апоптоз и блокируют клеточное деление Т-лимфоцитов в алло-СКЛ. Таким образом, ДК больных ТБЛ обладают повышенным толерогенным потенциалом, поскольку через PD-1/B7-H1-сигнальный путь в комбинации с IL-10 индуцируют апоптоз/анергию отвечающих Т-клеток. Нейтрализующие анти-PD1-антитела частично отменяют про-апоптогенный/толерогенный эффект ДК. Выявленный феномен, очевидно, имеет клиническое значение, поскольку наиболее ярко проявляется у больных ТБЛ с низким антиген-специфическим ответом на PPD.</p></abstract><trans-abstract xml:lang="en"><p>Abstract. The aim of present study was to investigate PD-1/B7-H1-mediated induction of T-cell apoptosis/ anergy, a suggested mechanism of reduced antigen-specific immune response against M. tuberculosis. We examined 76 patients with pulmonary tuberculosis (PT) who differed in levels of proliferative response to specific antigen (purified protein derivative, PPD). It was revealed that in vitro generated dendritic cells (DCs) from the patient’s blood monocytes with GMCSF+IFNα, were characterized by increased B7-H1 expression, upregulation of IL-10 production, and reduced allostimulatory activity in mixed lymphocyte culture (MLC). Moreover, DCs of PT patients were able to enhance T-cell apoptosis, and to block T-cell division in MLC. Thus, the patients’ DCs exhibited the higher tolerogenic potential since these DCs could induce apoptosis/anergy in responsive T-cells via PD-1/B7-H1-mediated pathway combined with IL-10 effects. It was shown that neutralizing anti-PD1-antibodies partially abolished the pro-apoptogenic/tolerogenic effect of DCs. The revealed phenomenon of PD-1/B7-H1-mediated pro-apoptogenic activity should be of obvious clinical significance, since the cytotoxic/tolerogenic potential of DCs was especially pronounced in the patients with low antigen-specific response to PPD.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>B7-H1</kwd><kwd>дендритные клетки</kwd><kwd>PD-1</kwd><kwd>Т-клетки</kwd><kwd>апоптоз</kwd><kwd>туберкулез легких</kwd></kwd-group><kwd-group xml:lang="en"><kwd>B7-H1</kwd><kwd>dendritic cells</kwd><kwd>PD-1</kwd><kwd>Т-cells</kwd><kwd>apoptosis</kwd><kwd>pulmonary tuberculosis</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Грант РФФИ № 10-04- 00280</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">Сахно Л.В., Распай Ж.М., Тихонова М.А., Никонов С.Д., Жданов О.А., Останин А.А., Черных Е.Р. 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