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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">kpccz</journal-id><journal-title-group><journal-title xml:lang="ru">Комплексные проблемы сердечно-сосудистых заболеваний</journal-title><trans-title-group xml:lang="en"><trans-title>Complex Issues of Cardiovascular Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2306-1278</issn><issn pub-type="epub">2587-9537</issn><publisher><publisher-name>Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17802/2306-1278-2017-6-3-13-24</article-id><article-id custom-type="elpub" pub-id-type="custom">kpccz-302</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 ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group></article-categories><title-group><article-title>МОДИФИКАЦИЯ RGD-ПЕПТИДАМИ СОСУДИСТЫХ ГРАФТОВ МАЛОГО ДИАМЕТРА ИЗ ПОЛИКАПРОЛАКТОНА: РЕЗУЛЬТАТЫ ЭКСПЕРИМЕНТАЛЬНОГО ИССЛЕДОВАНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>MODIFICATION BY RGD-PEPTIDES OF VASCULAR GRAFTS OF SMALL DIAMETER FROM POLYPAROLACTONE: EXPERIMENTAL STUDY RESULTS</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>Матвеева</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Matveeva</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Антонова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>650002, г. Кемерово, Сосновый бульвар, д. 6</p></bio><bio xml:lang="en"><p>6, Sosnoviy blvd., Kemerovo, 650002</p></bio><email xlink:type="simple">antolv@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>Севостьянова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sevostyanova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>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><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Кривкина</surname><given-names>Е. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivkina</surname><given-names>E. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Глушкова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glushkova</surname><given-names>T. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Ходыревская</surname><given-names>Ю. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khodyrevskaya</surname><given-names>Yu. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Барбараш</surname><given-names>О. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Barbarash</surname><given-names>O. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</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>Барбараш</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Barbarash</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кемерово</p></bio><bio xml:lang="en"><p>Kemerovo</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Scientific Institution “Research Institute for Complex Issues of Cardiovascular Diseases”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>18</day><month>09</month><year>2017</year></pub-date><volume>0</volume><issue>3</issue><fpage>13</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матвеева В.Г., Антонова Л.В., Севостьянова В.В., Великанова Е.А., Кривкина Е.О., Глушкова Т.В., Ходыревская Ю.И., Барбараш О.Л., Барбараш Л.С., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Матвеева В.Г., Антонова Л.В., Севостьянова В.В., Великанова Е.А., Кривкина Е.О., Глушкова Т.В., Ходыревская Ю.И., Барбараш О.Л., Барбараш Л.С.</copyright-holder><copyright-holder xml:lang="en">Matveeva V.G., Antonova L.V., Sevostyanova V.V., Velikanova E.A., Krivkina E.O., Glushkova T.B., Khodyrevskaya Y.I., Barbarash O.L., Barbarash L.S.</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.nii-kpssz.com/jour/article/view/302">https://www.nii-kpssz.com/jour/article/view/302</self-uri><abstract><sec><title>Резюме</title><p>Резюме. Для придания поверхности полимерных сосудистых графтов функциональной активности использованы RGD-пептиды, являющиеся сайтами связывания с интегриновыми рецепторами клеток.</p></sec><sec><title>Цель исследования</title><p>Цель исследования. Изучить влияние модификации RGD-пептидами сосудистых графтов малого диаметра из поликапролактона на проходимость, скорость и качество эндотелизации внутренней поверхности после имплантации графтов в брюшную часть аорты мелких лабораторных животных.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Графты диаметром 2 мм были изготовлены методом электроспиннинга из поликапролактона (PCL графты). Поверхность графтов была модифицирована RGD-пептидами посредством карбодиимидного связывания (PCL-RGD графты). До имплантации исследована морфология поверхности, физико-механические и вязкоэластические свойства PCL и PCL-RGD графтов. PCL (n=16) и PCL-RGD графты (n=16) имплантировали в брюшную аорту крыс на 1, 3, 6, 9 месяцев, с последующим изучением гистологической и иммунофлуоресцентной картины.</p></sec><sec><title>Результаты</title><p>Результаты. Морфология поверхности и вязкоэластические свойства PCL и PCL-RGD графтов не имели существенных различий. Проходимость PCL-RGD графтов на всех сроках имплантации была на 50% выше по сравнению с PCL, а частота развития гранулематозного воспаления - в среднем, в 2 раза меньше. Присутствие на внутренней поверхности PCL-RGD графтов эндотелиальных клеток с фенотипом CD31+vWF+ зарегистрировано уже через 1 месяц имплантации, на PCL-графтах - через 3 месяца.</p></sec><sec><title>Заключение</title><p>Заключение. Модификация PCL-графтов RGD-пептидами способствовала повышению проходимости графтов, более ранней эндотелизации внутренней поверхности, а также снижению выраженности гранулематозного воспаления. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Abstract</title><p>Abstract. To endow the luminal surface of the vascular grafts of functional, we applied arginine-glycineaspartic acid (RGD)-containing peptides, which are the ligands for integrins.</p><p>The aim to study the effect of modification of small-diameter vascular grafts from polycaprolactone on the patency, speed and quality of endothelization of the internal surface after implantation of grafts into the abdominal part of the aorta of small laboratory animals by the RGD peptides.</p></sec><sec><title>Materials and methods</title><p>Materials and methods.Vascular grafts diameter 2 mm were fabricated of poly(ε-caprolactone) (PCL) using electrospinning following optional conjugation with RGD peptides by the method of carbodiimide binding. The surface morphology, physical-mechanical properties of PCL and PCL-RGD grafts was studied before implantation. Either PCL and PCL-RGD grafts were implanted into abdominal aorta of rats for 1, 3, 6, or 9 months following explantation along with the adjacent aortic regions and further histological and immunofluorescence examination.</p></sec><sec><title>Results</title><p>Results. We found that immobilization of RGD peptides at the luminal surface did not alter structure and mechanical properties of PCL grafts. Primary patency of the RGD-treated grafts was 50% higher while the prevalence of inflammation was 2-fold lower compared to PCL grafts at all the time points. Moreover, we identified CD31+vWF+ cells at the luminal surface of RGD-PCL grafts as early as 1 month postimplantation in comparison with 3 months postimplantation in PCL grafts.</p></sec><sec><title>Conclusion</title><p>Conclusion. Immobilization of RGD peptides at the PCL grafts increases the primary grafts patency, induces rapid endothelialization and decreases granulomatous inflammation. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>сосудистые графты</kwd><kwd>модификация</kwd><kwd>RGD-пептиды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vascular grafts</kwd><kwd>modification</kwd><kwd>RGD-peptides</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">Kurobe H., Maxfield M.W., Breuer C.K., Shinoka T. Concise review: tissue engineered vascular grafts for cardiac surgery: past, present and future. Stem Cells Trans Med. 2012; 1(7): 566-571</mixed-citation><mixed-citation xml:lang="en">Kurobe H., Maxfield M.W., Breuer C.K., Shinoka T. Concise review: tissue engineered vascular grafts for cardiac surgery: past, present and future. 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