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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">transmed</journal-id><journal-title-group><journal-title xml:lang="ru">Трансляционная медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Translational Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2311-4495</issn><issn pub-type="epub">2410-5155</issn><publisher><publisher-name>Almazov National Medical Research Centre, Saint Petersburg, Russia</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18705/2311-4495-2016-3-6-73-79</article-id><article-id custom-type="elpub" pub-id-type="custom">transmed-275</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>ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL STUDIES</subject></subj-group></article-categories><title-group><article-title>НЕКОТОРЫЕ ПОКАЗАТЕЛИ ФИБРИНОЛИТИЧЕСКОЙ СИСТЕМЫ НА ЭТАПАХ ЭКСПЕРИМЕНТАЛЬНОГО МЕТАСТАЗИРОВАНИЯ В ПЕЧЕНЬ</article-title><trans-title-group xml:lang="en"><trans-title>SOME PARAMETERS OF FIBRINOLYTIC SYSTEM IN EXPERIMENTAL LIVER METASTASIS</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>Каплиева</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaplieva</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каплиева Ирина Викторовн - кандидат медицинских наук, старший научный сотрудник лаборатории изучения патогенеза злокачественных опухолей.</p><p>14-я линия, д.63, Ростов-на-Дону, 344037, e-mail: kaplirina@yandex.ru</p></bio><bio xml:lang="en"><p>Irina V. Kaplieva PhD - senior researcher, Laboratory of Malignant tumor pathogenesis study.</p><p>14 line, 63, Rostov-on-Don, 344037, e-mail: kaplirina@yandex.ru</p></bio><email xlink:type="simple">kaplirina@yandex.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>Франциянц</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Frantsiyants</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Франциянц Елена Михайловна - доктор биологических наук, профессор, руководитель лаборатории изучения патогенеза злокачественных опухолей.</p><p>14-я линия, д.63, Ростов-на-Дону, 344037 </p></bio><bio xml:lang="en"><p>Elena M. Frantsiyants Dr.Sc. - professor, head of the Laboratory of Malignant tumor pathogenesis study.</p><p>14 line, 63, Rostov-on-Don, 344037</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трепитаки</surname><given-names>Л. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Trepitaki</surname><given-names>L. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трепитаки Лидия Константиновна - научный сотрудник лаборатории изучения  патогенеза  злокачественных.</p><p>14-я линия, д.63, Ростов-на-Дону, 344037</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Погорелова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pogorelova</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Погорелова Юлия Александровна - кандидат биологических наук, научный сотрудник лаборатории изучения патогенеза злокачественных опухолей.</p><p>14-я линия, д.63, Ростов-на-Дону, 344037</p></bio><bio xml:lang="en"><p>Yulia A.  Pogorelova PhD,  researcher,  Laboratory  of Malignant tumor pathogenesis study.</p><p>14 line, 63, Rostov-on-Don, 344037</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский научно-исследовательский онкологический институт</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov Research Institute of Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2017</year></pub-date><volume>3</volume><issue>6</issue><fpage>73</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каплиева И.В., Франциянц Е.М., Трепитаки Л.К., Погорелова Ю.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Каплиева И.В., Франциянц Е.М., Трепитаки Л.К., Погорелова Ю.А.</copyright-holder><copyright-holder xml:lang="en">Kaplieva I.V., Frantsiyants E.M., Trepitaki L.K., Pogorelova Y.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://transmed.almazovcentre.ru/jour/article/view/275">https://transmed.almazovcentre.ru/jour/article/view/275</self-uri><abstract><p>Целью работы явилось изучение динамики плазминогена (ПГ) и содержания/активности его активаторов: урокиназного (uPA) и тканевого (tPA) типов, и их ингибитора 1 типа (PAI-1) на этапах экспериментального метастазирования в печень.</p><sec><title>Материалы и методы</title><p>Материалы и методы. Работа выполнена на 44 белых беспородных крысах-самцах. В ткани печени методом ИФА определяли содержание/активность uPA, tPA и PAI-1, методом спектрофотометрии — содержание ПГ.</p></sec><sec><title>Результаты</title><p>Результаты. Перед появлением метастазов (МТС) в печени уменьшались практически все показатели (активность uPА не изменялась). В сформированных МТС, на фоне высокого уровня ПГ, активность его активаторов и PAI-1 была большей, а их содержание — меньшим, чем в параметастатической зоне (ПЗ). МТС, которые вторично метастазировали, характеризовались большей активностью tPA и PAI-1 на фоне меньшей их редукции, при этом в их ПЗ максимально увеличивался ПГ, регистрировалось большее содержание/активность uPA и tPA и меньший уровень PAI-1 на фоне большей его активности.</p></sec><sec><title>Выводы</title><p>Выводы. Подтвержден тот факт, что система активации плазминогена участвует в процессах метастазирования, с другой стороны, выявлены особенности, характерные для метастазирования в печень.</p></sec></abstract><trans-abstract xml:lang="en"><p>Aim of the study was an analysis of plasminogen (PG) dynamics and of content/activity of its activators, urokinase (uPA) and tissue (tPA) ones, as well as of their type 1 inhibitor (PAI-1) in experimental liver metastasis. </p><sec><title>Material and methods</title><p>Material and methods. The study included 44 white outbred male rats. Levels and activity of uPA, tPA and PAI-1 were identified in liver tissue by the ELISA method, and PG content was studied by spectrophotometry. </p></sec><sec><title>Results</title><p>Results. Practically all indices reduced in the liver prior to metastases formation (uPА activity was unchanged). In metastases, while PG level was high, activity of its activators and PAI-1 was higher and their levels — lower than in parametastatic area. Metastases which further metastasize were characterized by a higher tPA and PAI-1 activity with their lower reduction; parametastatic area of such metastases showed the maximal PG increase, higher content/activity of uPA and tPA and lower PAI-1 level with its higher activity. </p></sec><sec><title>Conclusions</title><p>Conclusions. The study confirmed the fact that plasminogen activation system is involved in metastatic process and identified some characteristics of liver metastases.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>метастазирование в печень</kwd><kwd>система активации плазминогена</kwd><kwd>крысы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>liver metastases</kwd><kwd>plasminogen activation system</kwd><kwd>rats</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">Stepanova V, Jayaraman PS, Zaitsev SV, et al. Urokinase-type Plasminogen Activator (uPA) Promotes Angiogenesis by Attenuating Proline-rich Homeodomain Protein (PRH) Transcription Factor Activity and De-repressing Vascular Endothelial Growth Factor (VEGF) Receptor Expression. J Biol Chem. 2016;291(29):15029-15045.</mixed-citation><mixed-citation xml:lang="en">Stepanova V, Jayaraman PS, Zaitsev SV, et al. 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