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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-245</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>РЕГУЛЯЦИЯ МИЕЛОПЕРОКСИДАЗОЙ СA2+-СИГНАЛИЗАЦИИ В НЕЙТРОФИЛАХ</article-title><trans-title-group xml:lang="en"><trans-title>REGULATION OF CA2 +-SIGNALING IN NEUTROPHILS BY MYELOPEROXIDASE</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>ГРИГОРЬЕВА</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>GRIGORIEVA</surname><given-names>D. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ГОРУДКО</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>GORUDKO</surname><given-names>I. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>СОКОЛОВ</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>SOKOLOV</surname><given-names>A. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ШАМОВА</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>SHAMOVA</surname><given-names>E. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ВАСИЛЬЕВ</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>VASILIEV</surname><given-names>V. B.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ПАНАСЕНКО</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>PANASENKO</surname><given-names>O. M.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>ЧЕРЕНКЕВИЧ</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>CHERENKEVICH</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Белорусский государственный университет, Минск</institution><country>Belarus</country></aff><aff xml:lang="ru" id="aff-2"><institution>НИИ экспериментальной медицины СЗО РАМН, Санкт-Петербург</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-3"><institution>Санкт-Петербургский государственный университет</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-4"><institution>НИИ физико-химической медицины ФМБА России, Москва</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>10</day><month>06</month><year>2016</year></pub-date><volume>58</volume><issue>4</issue><fpage>55</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ГРИГОРЬЕВА Д.В., ГОРУДКО И.В., СОКОЛОВ А.В., ШАМОВА Е.В., ВАСИЛЬЕВ В.Б., ПАНАСЕНКО О.М., ЧЕРЕНКЕВИЧ С.Н., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ГРИГОРЬЕВА Д.В., ГОРУДКО И.В., СОКОЛОВ А.В., ШАМОВА Е.В., ВАСИЛЬЕВ В.Б., ПАНАСЕНКО О.М., ЧЕРЕНКЕВИЧ С.Н.</copyright-holder><copyright-holder xml:lang="en">GRIGORIEVA D.V., GORUDKO I.V., SOKOLOV A.V., SHAMOVA E.V., VASILIEV V.B., PANASENKO O.M., CHERENKEVICH S.N.</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://doklady.belnauka.by/jour/article/view/245">https://doklady.belnauka.by/jour/article/view/245</self-uri><abstract><p>Показано, что миелопероксидаза (МПО) инициирует увеличение концентрации свободных ионов внутриклеточного кальция в нейтрофилах, обусловленное как выходом ионов кальция из внутриклеточных депо, так и входом внеклеточного Са2+ через каналы плазматической мембраны. Установлено, что модифицированная гипогалоидными кислотами МПО сохраняет свою способность инициировать Са2+-сигнализацию в нейтрофилах. МПО-индуцированный вход Са2+ в цитозоль нейтрофилов не связан с проявлением каталитической активности фермента, а обусловлен непосредственным связыванием МПО с α-субъединицей β2-интегрина нейтрофилов и активацией тирозинкиназ.</p></abstract><trans-abstract xml:lang="en"><p>It is shown that myeloperoxidase (MPO) initiates an increase in the concentration of intracellular free calcium ions in neutrophils caused both by the release of calcium ions from intracellular stores, and extracellular Ca2+ entry across the plasma membrane channels. It is found that MPO modified by hypohalous acids retains its ability to induce Ca2+-signaling in neutrophils. It is established that MPO-induced entry of Ca2+ into cytosol of neutrophils is not associated with its catalytic activity, but caused by direct binding of MPO to α-subunit of β2-integrin of neutrophils and tyrosine kinase activation.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Галкин А. А., Демидова В. С. // Успехи современной биологии. 2007. Т. 127, № 1. С. 58–72.</mixed-citation><mixed-citation xml:lang="en">Галкин А. А., Демидова В. С. // Успехи современной биологии. 2007. Т. 127, № 1. С. 58–72.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Klebanoff S. J. // J. of leukocyte biology. 2005. Vol. 7. P. 598–625.</mixed-citation><mixed-citation xml:lang="en">Klebanoff S. J. // J. of leukocyte biology. 2005. Vol. 7. 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