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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">Russian Journal of Allergy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Allergy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский Аллергологический Журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1810-8830</issn><issn publication-format="electronic">2686-682X</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">100</article-id><article-id pub-id-type="doi">10.36691/RJA100</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">AD endotypes evaluation with molecular-genetic analysis of local immune response</article-title><trans-title-group xml:lang="ru"><trans-title>Определение эндотипов атопического дерматита на основании молекулярно-генетического исследования местного иммунного ответа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Elisyutina</surname><given-names>O G</given-names></name><name xml:lang="ru"><surname>Елисютина</surname><given-names>Ольга Гурьевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>в.н.с. отделения аллергии и иммунопатологии кожи</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Boldyreva</surname><given-names>M N</given-names></name><name xml:lang="ru"><surname>Болдырева</surname><given-names>Маргарита Николаевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>в.н.с. отдела иммуногенетики</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rebrova</surname><given-names>O Yu</given-names></name><name xml:lang="ru"><surname>Реброва</surname><given-names>Ольга Юрьевна</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fedenko</surname><given-names>E S</given-names></name><name xml:lang="ru"><surname>Феденко</surname><given-names>Елена Сергеевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>зав. отделением аллергии и иммунопатологии кожи</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">NRC Institute of Immunology FMBA of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «ГНЦ Институт иммунологии» ФМБА России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">РНИМУ им. Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">National Research University Higher School of Economics</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский университет «Высшая школа экономики»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-12-14" publication-format="electronic"><day>14</day><month>12</month><year>2018</year></pub-date><volume>15</volume><issue>6</issue><issue-title xml:lang="en">NO6 (2018)</issue-title><issue-title xml:lang="ru">№6 (2018)</issue-title><fpage>33</fpage><lpage>44</lpage><history><date date-type="received" iso-8601-date="2020-03-10"><day>10</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Pharmarus Print Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, Фармарус Принт Медиа</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Pharmarus Print Media</copyright-holder><copyright-holder xml:lang="ru">Фармарус Принт Медиа</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2020-12-15"/></permissions><self-uri xlink:href="https://rusalljournal.ru/raj/article/view/100">https://rusalljournal.ru/raj/article/view/100</self-uri><abstract xml:lang="en"><p>The basis for the development of atopic dermatitis (AD) is genetic predisposition, hypersensitivity to allergens, Th1/Th2 disbalance, increased degranulation of mast cells and antigen-presenting activity of Langerhans cells, as well as epidermal barrier dysfunction. Recently, genotypes, phenotypes and endotypes of AD, and biomarkers, which can be used to assess the effectiveness of therapy and to develop personalized approaches to the diagnosis, treatment and prognosis of the disease, have been actively studied. The aim of this study was to determine the endotypes of atopic dermatitis on the basis of molecular genetic study of cytokine gene expression in the skin of AD patients. Materials and methods. The study was performed as a «case-control», 90 AD patients and 30 healthy individuals without signs of atopy were included. The material for evaluation of cytokine gene expression was skin biopsy samples taken by punch biopsy. The level of gene expression was determined by real-time PCR with preliminary reverse transcription of mRNA of the corresponding genes («DNA-Technology», Moscow). The transcript levels of ILB, IL2, IL2r, IL4, IL5, IL6, IL7, IL8, IL10, IL12A, IL12B, IL15, IL17A, IL18, IL23, IL28, IL29, IFNy, TNF, TGFß, FOXP3 genes were studied. Results. Based on the molecular genetic study of the local immune response the following endotypes of AD were determined: endotype with predominance of Th1-type immune response (3% of patients); endotype with predominance of Th2-type immune response (3% of patients); mixed endotype with increased expression of IL2 (20% of patients); mixed endotype with reduced expression of IL10 (64% of patients); mixed endotype with increased expression of TGFß (9% of patients). Clinically significant biomarkers of inflammation in atopic dermatitis - decreased mRNA level of IL1ß gene expression and increased mRNA level of IL2R, IL4, IL5, IL6, IL8, IL10, IL12ß, IL23, IL29, IFNy and TGFß genes expression were determined in the skin of AD patients compared to healthy individuals. Conclusion. The use of molecular genetic method for evaluation of local immune response on the basis of cytokines gene expression measurement in the skin allows to identify the most significant biomarkers characterizing different endotypes of AD, and to determine the type of immune response in the individual patient.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. В основе развития атопического дерматита (АтД) лежат генетическая предрасположенность, гиперчувствительность к аллергенам, дисбаланс Th1- и Th2-лимфоцитов, усиление дегрануляции тучных клеток и антигенпрезентирующей активности клеток Лангерганса, а также нарушение функции эпидермального барьера. В последнее время активно изучаются генотипы, фенотипы и эндотипы АтД, а также биомаркеры, которые позволяют объективно оценивать эффективность существующих методов терапии, а также разрабатывать персонифицированные подходы к диагностике, лечению и прогнозу заболевания. Цель. Выделение эндотипов АтД на основании молекулярно-генетического исследования экспрессии генов цитокинов в коже больных АтД. Материалы и методы. Проведено одномоментное исследование «случай-контроль», в котором приняли участие 90 пациентов с АтД и 30 здоровых индивидуумов без признаков атопии. Материалом для исследования экспрессии генов цитокинов служили образцы кожных биоптатов, взятые методом пункционной биопсии. Уровень экспрессии генов определяли методом ПЦР в реальном времени с предварительным проведением реакции обратной транскрипции мРНК соответствующих генов (оборудование и реагенты производства НПФ «ДНК-Технология», Москва). Исследовали уровень транскриптов генов IL1B, IL2, IL2r, IL4, IL5, IL6, IL7, IL8, IL10, IL 12A, IL12B, IL15, IL17A, IL18, IL23, IL28, IL29, IFNy, TNF, TGFß, FOXP3. Результаты. На основании молекулярно-генетического исследования местного иммунного ответа и с использованием факторного анализа определены эндотипы АтД: эндотип с преобладанием Th1-типа иммунного ответа (3% пациентов); эндотип с преобладанием Тh2-типа иммунного ответа (3% пациентов); смешанный эндотип с повышением экспрессии IL2 (20% пациентов); смешанный эндотип со снижением экспресии IL10 (64% пациентов); смешанный эндотип с повышением экспрессии TGFß (9% пациентов). Установлены клинически значимые биомаркеры воспаления при АтД: уменьшение уровня экспрессии мРНК гена IL1B и увеличение уровня экспрессии мРНК генов IL2r, IL4, IL5, IL6, IL8, IL10, IL12B, IL23, IL29, IFNy, и TGFß в коже у больных АтД по сравнению со здоровыми индивидуумами. Заключение. Применение молекулярно-генетического метода оценки местного иммунного ответа на основании изучения показателей экспрессии генов цитокинов в органе-мишени коже позволяет выявить наиболее значимые биомаркеры, характеризующие различные эндотипы заболевания, и определить тип иммунного ответа у конкретного пациента.</p></trans-abstract><kwd-group xml:lang="en"><kwd>atopic dermatitis</kwd><kwd>endotypes</kwd><kwd>biomarkers</kwd><kwd>cytokines</kwd><kwd>gene expression</kwd><kwd>molecular-genetic analysis</kwd><kwd>factor analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>атопический дерматит</kwd><kwd>эндотипы</kwd><kwd>биомаркеры</kwd><kwd>цитокины</kwd><kwd>экспрессия генов</kwd><kwd>факторный анализ</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Asher MI, Montefort S., Bjorksten B., Lai CK, Stragan DP, Weiland SK et al. 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