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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">morpho</journal-id><journal-title-group><journal-title xml:lang="ru">Морфологические ведомости</journal-title><trans-title-group xml:lang="en"><trans-title>Morphological newsletter</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1812-3171</issn><issn pub-type="epub">2686-8741</issn><publisher><publisher-name>Private Medical University REAVIZ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20340/mv-mn.2020.28(1):23-29</article-id><article-id custom-type="elpub" pub-id-type="custom">morpho-436</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>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>Иммуногистохимический профиль дермы при введении полимолочной кислоты</article-title><trans-title-group xml:lang="en"><trans-title>Immunohistochemical profile of the dermis at the injection of polylactic acid</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>Могильная</surname><given-names>Г М</given-names></name><name name-style="western" xml:lang="en"><surname>Mogil’naya</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Могильная Галина Михайловна, доктор медицинских наук, профессор, заведующая кафедрой гистологии с эмбриологией</p><p>Краснодар</p></bio><bio xml:lang="en"/><email xlink:type="simple">evglandr@mail.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>Фомичева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomicheva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фомичева Евгения Васильевна, кандидат биологических наук, доцент кафедры гистологии с эмбриологией</p><p>Краснодар</p></bio><bio xml:lang="en"/><email xlink:type="simple">fomevg@mail.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>Блатт</surname><given-names>Ю. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Blatt</surname><given-names>Yu. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Блатт Юлия Евгеньевна, аспирант кафедры гистологии с эмбриологией</p><p>Краснодар</p></bio><bio xml:lang="en"/><email xlink:type="simple">julia_blatt@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кубанский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kuban State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>19</day><month>03</month><year>2020</year></pub-date><volume>28</volume><issue>1</issue><fpage>23</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Могильная Г.М., Фомичева Е.В., Блатт Ю.Е., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Могильная Г.М., Фомичева Е.В., Блатт Ю.Е.</copyright-holder><copyright-holder xml:lang="en">Mogil’naya G.M., Fomicheva E.V., Blatt Y.E.</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.morpholetter.com/jour/article/view/436">https://www.morpholetter.com/jour/article/view/436</self-uri><abstract><p>Регенерации кожи в случае ее повреждения при введении филлеров обусловлена возникающей при этом воспалительной реакцией дермы. Среди обширной группы филлеров, используемых в эстетической медицине, достаточно хорошо себя зарекомендовала полимолочная кислота, которая рекомендуется в качестве фактора, формирующего «живой каркас», индуцирующий синтез коллагена фибробластами с последующей трансформацией клеток этого типа в миофибробласты. Цель исследования – анализ иммуногистохимического статуса дермы при введении имплантата из полимолочной кислоты. Исследование выполнено на 30 крысах с субдермальным введением препарата в объеме 0,05 мл. Оценку результатов проводили спустя две недели, 1, 2 и 4 месяца после инъекции. Морфологическая оценка проведена в срезах, окрашенных гематоксилином и эозином, по Ван-Гизон и реакций Маллори и Массона. Иммуногистохимическое выявление коллагенов I и III типов проведено с использованием поликлональных антител. Для оценки статуса фибробластов использовали виментин, а для оценки макрофагов маркер CD68. Эффект ремоделирования экстрацеллюлярного матрикса изучали с помощью α-SMA актина. Показано, что ответная реакция дермы на имплантат носит фазный характер, начинается субклинической воспалительной реакцией с последующей инкапсуляцией каждой индивидуальной микросферы и завершается дермальной фиброплазией. Это приводит к эффекту увеличения объема ткани и результат достигается не только свойствами вводимого продукта, но и реакцией организма на его введение. Выявленная активация синтеза коллагена фибробластами может быть использована в качестве регулятора объема экстрацеллюлярного матрикса дермы.</p></abstract><trans-abstract xml:lang="en"><p>The regeneration of the skin in the event of damage to the introduction of fillers is due to the resulting inflammatory reaction of the dermis. Among the vast group of fillers used in aesthetic medicine, polylactic acid, which is recommended as a “scaffold” forming factor that induces collagen synthesis by fibroblasts with subsequent transformation of this type of cells into myofibroblasts, has proven itself quite well. The aim of the study was to analyze the immunohistochemical status of the dermis with the introduction of an implant from polylactic acid. The study was performed on 30 rats with subdermal administration of the drug in a volume of 0.05 ml. Evaluation of the results was carried out two weeks later, 1, 2 and 4 months after the injection. Morphological evaluation was carried out in sections stained with hematoxylin and eosin according to Van Gieson and Mallory and Masson reactions. Immunohistochemical detection of type I and type III collagen was performed using polyclonal antibodies. Vimentin was used to assess the status of fibroblasts, and the marker CD68 to assess macrophages. The effect of remodeling of extracellular matrix was studied using α-SMA actin. It was shown that the response of the dermis to the implant is of a phase nature, begins with a subclinical inflammatory reaction, followed by encapsulation of each individual microsphere, and ends with dermal fibroplasia. This leads to the effect of increasing the volume of tissue and the result is achieved not only by properties of the introduced product, but also by the reaction of the body to its introduction. The detected activation of collagen synthesis by fibroblasts can be used as a regulator of the volume of the extracellular matrix of the dermis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дерма</kwd><kwd>полимолочная кислота</kwd><kwd>имплант</kwd><kwd>филлер</kwd><kwd>неоколлагеногенез</kwd></kwd-group><kwd-group xml:lang="en"><kwd>derma</kwd><kwd>polylactic acid</kwd><kwd>implant</kwd><kwd>filler</kwd><kwd>neocollagenogenesis</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">Stein P, Vitavska O, Kind P, Hoppe W, Wieczorek H, Schurer NY. The biological basis for poly-L-lactic acid-induced augmentation. Journal of Dermatological Science. 2015;(78):26-33. 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