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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">jsms</journal-id><journal-title-group><journal-title xml:lang="ru">Journal of Siberian Medical Sciences</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of Siberian Medical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2542-1174</issn><publisher><publisher-name>Federal state budgetary educational institution of higher education "Novosibirsk state medical university" of  Ministry of Health of the Russian Federation (FSBEI HE NSMU MOH Russia)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31549/2542-1174-2026-10-2-7-19</article-id><article-id custom-type="elpub" pub-id-type="custom">jsms-1341</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 RESEARCHES</subject></subj-group></article-categories><title-group><article-title>Комплексная морфоиммунологическая характеристика биоптатов кожи у детей с неопределенной клинической картиной дерматита</article-title><trans-title-group xml:lang="en"><trans-title>Comprehensive morphoimmunological characteristics of skin biopsy specimens in children with dermatitis of the undetermined clinical picture</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6907-8629</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрина Наталья Владимировна – аспирант кафедры патологической анатомии </p><p>630091, г. Новосибирск, Красный просп., 52</p></bio><bio xml:lang="en"><p>Natalia V. Yurina – Post-graduate Student, Department of Pathological Anatomy</p><p>Novosibirsk</p></bio><email xlink:type="simple">yurina_nat@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7933-8394</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агеева</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ageeva</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Агеева Татьяна Августовна – д-р мед. наук, профессор кафедры патологической анатомии</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Tatiana A. Ageeva – Dr. Sci. (Med.), Professor, Department of Pathological Anatomy</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1748-8957</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сергеева</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeeva</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергеева Ирина Геннадьевна – д-р мед. наук,профессор кафедры фундаментальной медициныИнститута медицины и медицинских технологий</p><p>Новосибирск</p></bio><bio xml:lang="en"><p>Irina G. Sergeeva – Dr. Sci. (Med.), Professor, Department of Fundamental Medicine, Institute of Medicine and Medical Technologies</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Новосибирский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАОУ ВО «Новосибирский национальный исследовательский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>03</day><month>07</month><year>2026</year></pub-date><volume>10</volume><issue>2</issue><fpage>7</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юрина Н.В., Агеева Т.А., Сергеева И.Г., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Юрина Н.В., Агеева Т.А., Сергеева И.Г.</copyright-holder><copyright-holder xml:lang="en">Yurina N.V., Ageeva T.A., Sergeeva I.G.</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://jsms.elpub.ru/jour/article/view/1341">https://jsms.elpub.ru/jour/article/view/1341</self-uri><abstract><sec><title>Введение</title><p>Введение. В настоящее время рассматривается пограничное между псориазом и атопическим дерматитом (АД) состояние кожи у детей, формулируется его клиническая сущность и морфологические критерии.</p></sec><sec><title>Цель</title><p>Цель. Оценить в комплексе микроскопические параметры и морфоиммунологические характеристики воспалительных инфильтратов биоптатов кожи при неопределенной клинической картине (НКК) дерматита у детей в сравнении с изменениями кожи при типичном псориазе и АД у детей и взрослых.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Проведено сравнительное морфологическое и иммуногистохимическое исследование биоптатов кожи детей и взрослых с псориазом и АД. Оценивали экспрессию IL-4 и TNF-α, определяли индекс пролиферативной активности Ki-67 в эпителии. Полученные данные сравнивали с результатами исследования биоптатов воспалительных элементов кожи, полученных у детей с НКК дерматита, а также с биоптатами здоровой кожи детей.</p></sec><sec><title>Результаты</title><p>Результаты. Морфологическая структура элементов кожи детей с неопределенной клинической картиной заболевания имеет больше общих черт с элементами кожи при псориазе. При иммуногистохимическом исследовании самые высокие абсолютные значения экспрессии цитокинов IL-4 и TNF-α клетками воспалительного инфильтрата наблюдались в элементах кожи взрослых как при псориазе, так и при АД. У детей абсолютные значения экспрессии этих цитокинов отличаются меньшей вариабельностью значений, но выше при псориазе, чем при АД. Уровень экспрессии цитокинов в воспалительных инфильтратах элементов кожи детей с НКК дерматита был наиболее близким к этому показателю в элементах кожи детей с АД. Индекс пролиферативной активности Ki-67 в эпителии элементов кожи при классических формах заболевания показал максимальные значения при псориазе, минимальные – при АД, как у детей, так и у взрослых, а в группе детей с НКК дерматита значения этого индекса были близки к таковым в эпидермисе в норме.</p></sec><sec><title>Заключение</title><p>Заключение. У детей с НКК дерматита, требующей проведения дифференциальной диагностики между псориазом и АД, не только макроскопически изменения в коже имеют отличия от типичной картины псориаза и АД, но есть и особенности в микроскопических изменениях в коже, что в сочетании с особенностями экспрессии IL-4 и TNF-α клетками инфильтратов свидетельствует об особой иммунореактивности этих пациентов, обусловливающей отличия клинической картины, что требует дополнительного изучения. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Currently, a borderline skin condition between psoriasis and atopic dermatitis (AD) in children is under consideration, and its clinical essence and morphological criteria are being formulated.</p></sec><sec><title>Aim</title><p>Aim. To comprehensively evaluate the microscopic parameters and morphoimmunological characteristics of skin inflammatory infiltrates in children with the undetermined clinical picture (UCP) of dermatitis, in comparison with skin changes in typical psoriasis and AD in children and adults.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A comparative morphological and immunohistochemical study of skin biopsy specimens from children and adults with psoriasis and AD was conducted. The expression of IL-4 and TNF-α was assessed, and the Ki-67 proliferative activity index in the epithelium was determined. The data obtained were compared with the results of the study of biopsy specimens of inflammatory skin lesions from children with the UCP dermatitis, as well as with biopsy specimens of healthy children’s skin.</p></sec><sec><title>Results</title><p>Results. The morphology of skin lesions in children with the UCP dermatitis shares more common features with those of psoriasis. Immunohistochemically, the highest absolute values of IL-4 and TNF-α cytokine expression by cells of the inflammatory infiltrate were observed in skin lesions of adults, both in psoriasis and in AD. In children, the absolute values of these cytokines’ expression show less variability, but are higher in psoriasis than in AD. The level of cytokine expression in the skin lesions from children with the UCP dermatitis was closest to that observed in skin lesions from children with AD. The Ki-67 proliferative activity index in the epithelium of skin lesions in classical forms of the disease showed maximum values in psoriasis and minimum values in AD, in both children and adults, whereas in the group of children with the UCP dermatitis, the values of the Ki-67 index were close to those in normal epidermis.</p></sec><sec><title>Conclusion</title><p>Conclusion. In children with the UCP dermatitis requiring differential diagnosis between psoriasis and AD, not only microscopically skin changes diff er from the typical picture of psoriasis and AD, but there also features of microscopic skin changes, which, in combination with the distinctive expression of IL-4 and TNF-α by cells of the infiltrate, indicate particular immunoreactivity in these patients that underlies the differences in the clinical features and requires further study. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>псориаз</kwd><kwd>атопический дерматит</kwd><kwd>неопределенные клинические формы дерматитов у детей</kwd><kwd>псориатический дерматит</kwd></kwd-group><kwd-group xml:lang="en"><kwd>psoriasis</kwd><kwd>atopic dermatitis</kwd><kwd>undetermined clinical forms of dermatitis in children</kwd><kwd>psoriatic dermatitis</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">Guttman-Yassky E., Nograles K.E., Krueger J.G. 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