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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl11707</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-11707</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>Экспериментальная эндокринология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Experimental endocrinology</subject></subj-group></article-categories><title-group><article-title>О возможном участии фосфатидилинозитол-з -киназы в активации инсулином и эпидермальным фактором роста фосфолипазы с, гидролизующей гликозилфосфатидилинозитол</article-title><trans-title-group xml:lang="en"><trans-title>On the possible participation of phosphatidylinositol-3-kinase in activation by insulin and epidermal growth factor phospholipase c, hydrolyzing glycosylphosphatidylinositol</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>Кривцов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivtsov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">probl@endojournals.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>Ткачук</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tkachuk</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">probl@endojournals.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>&lt;p&gt;Институт экспериментальной кардиологии; Российский кардиологический научно-производственный комплекс Минздрава РФ&lt;/p&gt;</institution><country>Россия</country></aff><aff xml:lang="en"><institution>&lt;p&gt;Institute of Experimental Cardiology; Russian Cardiology Research and Production Complex of the Ministry of Health of the Russian Federation&lt;/p&gt;&#13;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>1999</year></pub-date><pub-date pub-type="epub"><day>06</day><month>10</month><year>1999</year></pub-date><volume>45</volume><issue>1</issue><fpage>44</fpage><lpage>47</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кривцов А.В., Ткачук В.А., 1999</copyright-statement><copyright-year>1999</copyright-year><copyright-holder xml:lang="ru">Кривцов А.В., Ткачук В.А.</copyright-holder><copyright-holder xml:lang="en">Krivtsov A.V., Tkachuk V.A.</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.probl-endojournals.ru/jour/article/view/11707">https://www.probl-endojournals.ru/jour/article/view/11707</self-uri><abstract><p>В основе плейотропного действия инсулина лежит возможность передачи сигнала от инсулинового рецептора на целый ряд внутриклеточных эффекторных систем, одной из которых является гликозилфосфатидилинозитолспецифичная фосфолипаза С (ГФИ-ФЛС), гидролизующая мембранные инозитолсодержащие гликофосфолипиды с образованием диацилглицерина, активатора фосфолипазы С, и инозитолфосфогликана, одного из претендентов на роль вторичного посредника в передаче метаболического сигнала инсулина. Для выяснения механизмов сопряжения ГФИ-ФЛС с рецепторами инсулина и факторов роста мы исследовали гидролиз гликозилфосфатидилинозитола в клетках Rati и обнаружили, что инсулин и эпидермальный фактор роста (ЭФР) активируют гидролиз гликозилфосфатидилинозитола до инозитолфосфогликана на 20 и 40% соответственно (р &lt; 0,001), а специфичный ингибитор фосфатидилинозитол-З'-киназы вортманнин устраняет это влияние инсулина и ЭФР. На основании этих данных можно предположить, что фосфатидилинозитол-З'-киназа участвует в проведении сигналов от рецепторов инсулина и ЭФР на ГФИ-ФЛС.</p></abstract><trans-abstract xml:lang="en"><p>The pleiotropic effect of insulin is based on signal transfer from insulin receptor to a series of intracellular effector systems, one of which is glycosyl phosphatidyl inositol (GPI) specific phospholipase C (PLC), hydrolyzing membranous inositol-containing glycophospholipids to produce diacylglycerol, a phospholipase C activator, and inositolphosphoglycane (IPG), a probable secondary messenger in transfer of insulin metabolic signal. For disclosing the mechanisms of GPI-PLC conjugation with insulin receptors and growth factors, we analyzed GPI hydrolysis in Rati cells and found that insulin and epidermal growth factors (EGF) activate GPI hydrolysis to IPG by 20 and 40%o, respectively (p&lt;0.001), while specific phosphatidylinositol- 3’-kinase (PIj kinase) inhibitor vortmannin cancels this insulin and EGF effect. These data permit us to hypothesize the participation of PIj kinase in signal transfer from insulin and EGF receptor GPI-PLC.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>плейотропное действие инсулина</kwd><kwd>фосфолипаза С</kwd><kwd>фактор роста</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pleiotropic effect of insulin</kwd><kwd>phospholipase C</kwd><kwd>growth factor</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа была выполнена при финансовой поддержке Соросовской образовательной программы грантом А-98-1739 аспиранту А. В. 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