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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Molekulyarnaya Meditsina (Molecular medicine)</journal-id><journal-title-group><journal-title xml:lang="en">Molekulyarnaya Meditsina (Molecular medicine)</journal-title><trans-title-group xml:lang="ru"><trans-title>Молекулярная медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-2918</issn><issn publication-format="electronic">2499-9490</issn><publisher><publisher-name xml:lang="en">Russkiy Vrach Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">113807</article-id><article-id pub-id-type="doi">10.29296/24999490-2022-05-04</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The role of markers of intercellular interaction in the development of atopic dermatitis</article-title><trans-title-group xml:lang="ru"><trans-title>Роль маркеров межклеточного взаимодействия в развитии атопического дерматита</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Iskra</surname><given-names>Ekaterina Leonidovna</given-names></name><name xml:lang="ru"><surname>Искра</surname><given-names>Екатерина Леонидовна</given-names></name></name-alternatives><bio xml:lang="en"><p>postgraduate student of the Department of Pathological Anatomy with the course of Forensic Medicine</p></bio><bio xml:lang="ru"><p>аспирант кафедры патологической анатомии с курсом судебной медицины</p></bio><email>doc@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Iskra</surname><given-names>Alexander Sergeevich</given-names></name><name xml:lang="ru"><surname>Искра</surname><given-names>Александр Сергеевич</given-names></name></name-alternatives><bio xml:lang="en"><p>postgraduate student of the Department of Rehabilitation of FP and DPO</p></bio><bio xml:lang="ru"><p>аспирант кафедры реабилитологии ФП и ДПО</p></bio><email>neonatol@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Polyakova</surname><given-names>Viktoriya Olegovna</given-names></name><name xml:lang="ru"><surname>Полякова</surname><given-names>Виктория Олеговна</given-names></name></name-alternatives><bio xml:lang="en"><p>Deputy Director for Scientific Work; Doctor of Biological Sciences, Professor</p></bio><bio xml:lang="ru"><p>заместитель директора по научной работе; Доктор биологических наук, профессор</p></bio><email>vopol@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nasyrov</surname><given-names>Ruslan Abdullaevich</given-names></name><name xml:lang="ru"><surname>Насыров</surname><given-names>Руслан Абдуллаевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Vice-Rector for Research, Head of the Department of Pathological Anatomy with the Course of Forensic Medicine; Doctor of Medical Sciences, Professor.</p></bio><bio xml:lang="ru"><p>проректор по научной работе, заведующий кафедры патологической анатомии с курсом судебной медицины; Доктор медицинских наук, профессор.</p></bio><email>rrmd99@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">St. Petersburg State Pediatric Medical University Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">St. Petersburg Research Institute of Phthisiopulmonology Ministry of Health of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ«Санкт-Петербургский научно-исследовательский институт фтизиопульмонологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2022</year></pub-date><volume>20</volume><issue>5</issue><issue-title xml:lang="en">VOL 20, NO5 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 20, №5 (2022)</issue-title><fpage>28</fpage><lpage>33</lpage><history><date date-type="received" iso-8601-date="2022-11-18"><day>18</day><month>11</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Russkiy Vrach Publishing House</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ИД "Русский врач"</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Russkiy Vrach Publishing House</copyright-holder><copyright-holder xml:lang="ru">ИД "Русский врач"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2027-05-15"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/1728-2918/article/view/113807">https://journals.eco-vector.com/1728-2918/article/view/113807</self-uri><abstract xml:lang="en"><p>Introduction. Violation of the skin barrier can be considered as an initial stage in the development of atopic dermatitis, leading to further skin inflammation [2]. Transmembrane proteins such as claudin-1, claudin-7, occludin and E-cadherin are known to be the main components of epidermal tight junctions (TJ) [15]. Objective. The aim of the study was to research the pathogenesis of atopic dermatitis in cell culture and to assess the effect of placental hydrolysate on blood pressure. Methods. The studies were carried out on the cell culture of normal fibroblasts and the cell culture of atopic dermatitis. An immunocytochemical study was conducted to evaluate intercellular communications. Results. When the placenta hydrolysate was administered, the expression levels of occludin, claudin-1, claudin-7 and E-cadherin in blood in group IV were significantly different from those of group II. Thus, all the studied proteins contribute significantly to the development of the pathogenesis of atopic dermatitis. Conclusion. These results indicate that the studied markers play an important role in the pathogenesis of atopic dermatitis atopic dermatitis The work carried out allows us to understand in more detail the pathological processes occurring in this disease and prescribe drugs containing placental hydrolysate to restore normal epithelial differentiation.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Нарушение кожного барьера можно рассматривать как начальный этап в развитии атопического дерматита (АтД), приводящий к дальнейшему воспалению кожи. Известно, что трансмембранные белки клаудин-1, клаудин-7, окклюдин и E-кадгерин являются основными компонентами эпидермальных плотных контактов (TJ). Целью исследования явилось изучение патогенеза АтД в клеточной культуре и оценка влияния гидролизата плаценты на АтД. Материал и методы. Исследования были проведены на клеточной культуре нормальных фибробластов и клеточной культуре АтД. Для оценки межклеточных коммуникаций было проведено иммуноцитохимическое исследование. Результаты. При введении препарата гидролизата плаценты уровень экспрессии окклюдина, клаудина-1, клаудина-7 и Е-кадгерина при АтД в IV группе существенно отличались, чем в группе II. Данные результаты свидетельствует о том, что исследуемые маркеры играют важную роль в патогенезе АтД. Проведенная работа позволяет более детально понять патологические процессы, происходящие при этом заболевании и назначать препараты, содержащие гидролизат плаценты для восстановления нормальной эпителиальной дифференцировки.</p></trans-abstract><kwd-group xml:lang="en"><kwd>transmembrane protein</kwd><kwd>atopic dermatitis</kwd><kwd>Claudine</kwd><kwd>dense compound</kwd><kwd>occluding</kwd><kwd>E-cadherin</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>трансмембранный белок</kwd><kwd>атопический дерматит</kwd><kwd>клаудин</kwd><kwd>плотное соединение</kwd><kwd>окклюдин</kwd><kwd>Е-кадгерин</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sroka-Tomaszewska J., Trzeciak M. Molecular Mechanisms of Atopic Dermatitis Pathogenesis.Int J. Mol. Sci. 2021; 4130. https://doi.org/10.3390/ijms22084130.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Senra M.S., Wollenberg A. 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