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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Morphology</journal-id><journal-title-group><journal-title xml:lang="en">Morphology</journal-title><trans-title-group xml:lang="ru"><trans-title>Морфология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1026-3543</issn><issn publication-format="electronic">2949-2556</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">399507</article-id><article-id pub-id-type="doi">10.17816/morph.399507</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">THE PECULIARITIES OF RAT TISSUE REACTIONS TO INTRAPERITONEAL IMPLANTS MADE OUT OF BIODEGRADABLE POLYHYDROXYALKANOATES</article-title><trans-title-group xml:lang="ru"><trans-title>ОСОБЕННОСТИ РЕАКЦИИ ТКАНЕЙ КРЫС НА ВНУТРИБРЮШИННЫЕ ИМПЛАНТАТЫ ИЗ БИОДЕГРАДИРУЕМОГО ПОЛИГИДРОКСИАЛКАНОАТА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mayborodin</surname><given-names>I V</given-names></name><name xml:lang="ru"><surname>Майбородин</surname><given-names>И В</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><email>imai@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shevela</surname><given-names>A I</given-names></name><name xml:lang="ru"><surname>Шевела</surname><given-names>А И</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Anishchenko</surname><given-names>V V</given-names></name><name xml:lang="ru"><surname>Анищенко</surname><given-names>В В</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matveeva</surname><given-names>V A</given-names></name><name xml:lang="ru"><surname>Матвеева</surname><given-names>В А</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shevela</surname><given-names>A A</given-names></name><name xml:lang="ru"><surname>Шевела</surname><given-names>А А</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Drovosekov</surname><given-names>M N</given-names></name><name xml:lang="ru"><surname>Дровосеков</surname><given-names>М Н</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vlasov</surname><given-names>V V</given-names></name><name xml:lang="ru"><surname>Власов</surname><given-names>В В</given-names></name></name-alternatives><bio xml:lang="ru"><p>Центр новых медицинских технологий (зав. - проф. А.И. Шевела); Институт химической биологии и фундаментальной медицины СО РАН</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name><surname>Maiborodin</surname><given-names>I V</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Shevela</surname><given-names>A I</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Anishchenko</surname><given-names>V V</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Matveyeva</surname><given-names>V A</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Shevela</surname><given-names>A A</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Drovosekov</surname><given-names>M N</given-names></name><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Vlasov</surname><given-names>V V</given-names></name><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Институт химической биологии и фундаментальной медицины СО РАН</institution></aff></aff-alternatives><aff id="aff2"><institution></institution></aff><pub-date date-type="pub" iso-8601-date="2011-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2011</year></pub-date><volume>139</volume><issue>2</issue><issue-title xml:lang="en">NO2 (2011)</issue-title><issue-title xml:lang="ru">№2 (2011)</issue-title><fpage>62</fpage><lpage>66</lpage><history><date date-type="received" iso-8601-date="2023-05-09"><day>09</day><month>05</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2011, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2011, Эко-Вектор</copyright-statement><copyright-year>2011</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://j-morphology.com/1026-3543/article/view/399507">https://j-morphology.com/1026-3543/article/view/399507</self-uri><abstract xml:lang="en"><p>The reaction of rat tissues to intraperitoneal placement of implants made out of biodegradable polyhydroxyalkanoates (PHA), was studied at different time points after the operation by the methods of light microscopy. It was found that after intraperitoneal PHA implant placement, the active adhesive process started leading to formation of fibrous adhesions between PHA implants and intestinal loops. When PHA implants were used in the form of films, they became surrounded by a thick fibrous capsule. As a result of PHA implant placement in the form of ultrathin fibers, the extensive foreign body granulomas with perifocal inflammation and sclerosis of surrounding tissues were formed. In these granulomas the polymer fragmentation and phagocytosis by macrophages with formation of giant cells of foreign body occured. It is concluded that PHA implants are not biodegradable and induce tissue reactions similar to those caused by other foreign bodies.</p></abstract><trans-abstract xml:lang="ru"><p>Методами световой микроскопии изучена реакция тканей крыс через различное время после внутрибрюшинного введения имплантатов из биодеградируемых полигидроксиалканоатов (И-ПГА). Обнаружено, что после введения И-ПГА в брюшную полость начинается активный спаечный процесс, приводящий к формированию фиброзных спаек между И-ПГА и петлями кишечника. На фоне введения И-ПГА в виде пленок происходит их окружение толстой фиброзной капсулой. В результате введения И-ПГА в виде ультратонких волокон образуются обширные гранулемы инородного тела с перифокальным воспалением и склерозом окружающих тканей. В этих гранулемах происходят фрагментация полимера и его фагоцитоз макрофагами с формированием гигантских клеток инородных тел. Сделано заключение, что И-ПГА не являются биодеградируемыми и вызывают такие же тканевые реакции, как и другие инородные тела.</p></trans-abstract><kwd-group xml:lang="en"><kwd>granulomatous inflammation</kwd><kwd>foreign body</kwd><kwd>implantation</kwd><kwd>polyhydroxyalkanoate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гранулематозное воспаление</kwd><kwd>инородное тело</kwd><kwd>имплантация</kwd><kwd>полигидроксиалканоат</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Гаврилин В.Н. и Шкурупий В.А. Влияние накопления поливинилпирролидона в синусоидальных клетках печени на характер токсического повреждения органа. Бюл. СО РАМН, 1995, № 2, с. 24-28.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Майбородин И.В., Ковынцев Н.Н. и Добрякова О.Б. Нарушения микроциркуляции как причина капсулярной контрактуры после увеличивающей маммопластики. 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