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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">ateroskleroz</journal-id><journal-title-group><journal-title xml:lang="ru">Атеросклероз</journal-title><trans-title-group xml:lang="en"><trans-title>Ateroscleroz</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-256X</issn><issn pub-type="epub">2949-3633</issn><publisher><publisher-name>НИИТПМ-филиал ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15372/ATER20180201</article-id><article-id custom-type="elpub" pub-id-type="custom">ateroskleroz-68</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>ИЗМЕНЕНИЕ ВНУТРИКЛЕТОЧНОГО СИГНАЛИНГА ЭНДОТЕЛИАЛЬНЫХ КЛЕТОК ПОД ВОЗДЕЙСТВИЕМ КАЛЬЦИЙ-ФОСФАТНЫХ БИОНОВ</article-title><trans-title-group xml:lang="en"><trans-title>Alteration of signaling pathways in endothelial cells by calcium phosphate bions</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>Кутихин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutikhin</surname><given-names>A. G.</given-names></name></name-alternatives><email xlink:type="simple">antonkutikhin@gmail.com</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>Шишкова</surname><given-names>Д. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Shishkova</surname><given-names>D. K.</given-names></name></name-alternatives><email xlink:type="simple">shidk@kemcardio.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>Великанова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Velikanova</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">veliea@kemcardio.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>Понасенко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponasenko</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">ponaav@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ НИИ комплексных проблем сердечно-сосудистых заболеваний</institution></aff><aff xml:lang="en"><institution>Federal State Budgetary Research Institution «Scientific-research Institute for Complex Problems of cardiovascular disease»</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>27</day><month>09</month><year>2019</year></pub-date><volume>14</volume><issue>2</issue><fpage>5</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кутихин А.Г., Шишкова Д.К., Великанова Е.А., Понасенко А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Кутихин А.Г., Шишкова Д.К., Великанова Е.А., Понасенко А.В.</copyright-holder><copyright-holder xml:lang="en">Kutikhin A.G., Shishkova D.K., Velikanova E.A., Ponasenko A.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://ateroskleroz.elpub.ru/jour/article/view/68">https://ateroskleroz.elpub.ru/jour/article/view/68</self-uri><abstract><p>Цель исследования. Идентифицировать тип гибели эндотелиальных клеток при воздействии кальций-фосфатных бионов (КФБ) и определить, вызывают ли КФБ специфичный молекулярный ответ по основным клеточным сигнальным путям. Материал и методы. Культура иммортализованных лимфатических эндотелиальных клеток мыши линии 2H-11 экспонирована магний-фосфатным бионом (МФБ) либо сферическим или игольчатым кальций-фосфатным бионом (СКФБ и ИКФБ соответственно) в течение 24 ч, после чего выделяли белок RIPA-буфером с последующим иммуноблоттингом: 1) на эффекторные белки апоптоза (расщепленную каспазу-3 (cleaved caspase-3, cCasp-3) и расщепленную поли(АДФ-рибоза)полимеразу (cleaved poly (ADP-ribose) polymerase, cParp-1)); 2) на белки внутреннего пути апоптоза (X-связанный ингибитор апоптоза (X-linked inhibitor of apoptosis protein, Xiap), сурвивин (survivin), ингибитор активатора плазминогена (plasminogen activator inhibitor 1, Pai-1), митохондриальную сериновую протеазу HtrA2/Omi, цитохром c (cytochrome c), p53-зависимый модулятор апоптоза (p53 up regulated modulator of apoptosis, Puma)); 3) на белки основных сигнальных путей (фосфорилированную киназу, регулируемую внеклеточными сигналами (phosphorylated extracellular signal-regulated kinase, pErk), фосфорилированную митоген-активируемую протеинкиназу (phosphorylated mitogen-activated proteinkinase, pMapk), фосфорилированную киназу очаговой адгезии (phosphorylated focal adhesionkinase, pFak), фосфорилированный ядерный фактор каппа B (phosphorylated nuclear factor kappa-light-chain-enhancer of activated B cells, pNf-kB), Itch (E3 убиквитин-белковую лигазу), Gli (глиома-ассоциированный онкоген)). Оценка результата проводилась качественно (путем хемилюминесцентной детекции) и количественно (при помощи алгоритма программы ImageJ для анализа хемилюминесцентных гелей). Результаты. Как СКФБ, так и ИКФБ обладали сходным действием, кратно повышая содержание эффекторных белков апоптоза cCasp-3 и cParp-1, а также снижая уровень основного ингибитора внутреннего пути апоптоза Xiap в эндотелиальных клетках в сравнении с МФБ и контрольным чистым раствором фосфатно-солевого буфера. Напротив, содержание другого ингибитора внутреннего пути апоптоза сурвивина и антиапоптотического белка Pai-1 в экспонированных СКФБ и ИКФБ клетках было повышено предположительно вследствие активации внутриклеточного механизма отрицательной обратной связи. Не было выявлено надежного изменения уровня различных белков основных клеточных сигнальных путей между экспериментальными группами. Заключение. КФБ запускают внутренний путь апоптоза в эндотелиальных клетках, однако не вызывают специфичного молекулярного ответа по основным клеточным сигнальным путям.</p></abstract><trans-abstract xml:lang="en"><p>Aim. To identify death subroutine of endothelial cells upon the exposure to calcium phosphate bions (CPB) and to define whether CPB induce specific molecular response. Materials and Methods. Immortalized murine lymphatic endothelial cells (2H-11, 85-90 % confluence) were exposed to either magnesium phosphate bions (MPB), spherical calcium phosphate bions (SCPB), or needle-shaped calcium phosphate bions (NCPB) for 24 hours with the subsequent protein extraction using radioimmunoprecipitation assay (RIPA) buffer followed by Western blotting to: 1) apoptosis effector proteins (cleaved caspase-3 (cCasp-3), cleaved poly (ADP-ribose) polymerase (cParp-1)); 2) intrinsic apoptosis proteins ((X-linked inhibitor of apoptosis protein (Xiap), survivin, plasminogen activator inhibitor 1 (Pai-1), HtrA2/Omi, cytochromec, p53 upregulated modulator of apoptosis (Puma)); 3) proteins relate to central signaling pathways (phosphorylated extracellular signal-regulated kinase (pErk), phosphorylated mitogen-activated proteinkinase (pMapk), phosphorylated focal adhesion kinase (pFak), phosphorylated nuclear factor kappa-light-chain-enhancer of activated Bcells(pNF-kB), Itch, and Gli). Results were assessed by chemiluminescence detection and using the standard ImageJ algorithm for analysis of chemiluminescent gels. Results. We found increased levels of cleaved effector caspase 3 and its cleaved substrate, cPARP-1, in endothelial cells exposed to SCPB or NCPB as compared to those exposed to MPB or control phosphate buffered saline. Further, we documented decreased level of Xiap, a key inhibitor of intrinsic apoptosis, in endothelial cells exposed to SCPB or NCPB. In contrast, survivin, an other major inhibitor of intrinsic apoptosis, and anti-apoptotic protein Pai-1 were abated upon the SCPB or NCPB exposure, possibly due to the activation of negative feedback loop. In addition, we did not detect any significant changes in master regulators of cell signaling pathways after exposure to CPB. Conclusion. CPB induce intrinsic apoptosis in endothelial cells but do not cause any specific molecular signaling response.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бионы</kwd><kwd>фосфат кальция</kwd><kwd>эндотелиальные клетки</kwd><kwd>эндотелий</kwd><kwd>атеросклероз</kwd><kwd>апоптоз</kwd><kwd>сигнальные пути</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bions</kwd><kwd>calcium phosphate</kwd><kwd>endothelial cells</kwd><kwd>endothelium</kwd><kwd>atherosclerosis</kwd><kwd>apoptosis</kwd><kwd>signaling pathways</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">Heiss A., Pipich V., Jahnen-Dechent W., Schwahn D. Fetuin-A is a mineral carrier protein: small angle neutron scattering provides new insight on Fetuin-A controlled calcification inhibition // Biophys. J. 2010. Vol. 99, N 12. 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