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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 Skin and Venereal Diseases</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Skin and Venereal Diseases</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский журнал кожных и венерических болезней</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9588</issn><issn publication-format="electronic">2412-9097</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">112571</article-id><article-id pub-id-type="doi">10.17816/dv112571</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATO-ONCOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТООНКОЛОГИЯ</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">Verrucous epidermal nevi: some aspects of pathogenesis and clinical cases</article-title><trans-title-group xml:lang="ru"><trans-title>Веррукозные эпидермальные невусы: некоторые аспекты патогенеза и клинические случаи</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1909-222X</contrib-id><contrib-id contrib-id-type="spin">1220-9302</contrib-id><name-alternatives><name xml:lang="en"><surname>Okladnikova</surname><given-names>Evgeniya V.</given-names></name><name xml:lang="ru"><surname>Окладникова</surname><given-names>Евгения Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Associate Professor</p></bio><bio xml:lang="ru"><p>доцент</p></bio><email>farmasis@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3960-1279</contrib-id><contrib-id contrib-id-type="spin">1993-5439</contrib-id><name-alternatives><name xml:lang="en"><surname>Selitskaya</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Селицкая</surname><given-names>Ольга Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Associate Professor</p></bio><bio xml:lang="ru"><p>доцент</p></bio><email>selickaya@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University</institution></aff><aff><institution xml:lang="ru">Красноярский государственный медицинский университет имени профессора В.Ф. Войно-Ясенецкого</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-01-29" publication-format="electronic"><day>29</day><month>01</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-12-17" publication-format="electronic"><day>17</day><month>12</month><year>2022</year></pub-date><volume>25</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>17</fpage><lpage>23</lpage><history><date date-type="received" iso-8601-date="2022-11-15"><day>15</day><month>11</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-12-25"><day>25</day><month>12</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Okladnikova E.V., Selitskaya O.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Окладникова Е.В., Селицкая О.В.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Okladnikova E.V., Selitskaya O.V.</copyright-holder><copyright-holder xml:lang="ru">Окладникова Е.В., Селицкая О.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-02-17"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/112571">https://rjsvd.com/1560-9588/article/view/112571</self-uri><abstract xml:lang="en"><p>Verrucous epidermal nevi ― hamartomas of keratinocyte or epidermal appendages, located on the skin or mucous membranes in the form of isolated birthmarks, less often have a linear localization. The pathogenesis of verrucous epidermal nevi has not been fully defined, probably the development of the disease is associated with genetic mutations during embryogenesis and represent a special form of skin mosaicism. Verrucous epidermal nevi are skin pathologies that require attention as potentially dangerous in terms of the development of malignant neoplasms of the skin and due to the possible difficulties in their diagnosis and differential diagnosis.</p> <p>Analysis of current data on the pathogenesis and differential diagnosis of various forms of verrucous epidermal nevi, presentation of clinical cases of verrucous epidermal nevi.</p> <p>The article considers two clinical cases of linear verrucous epidermal nevus. Studies of the pathogenesis of WEN have shown the presence of changes in expressed proteins by affected skin cells, such as OGN, NT5C3A, ADD1, OLFML1, DHRS1, CALML5, SAMHD1, SFRP2, SPRR1B and SERPINB13. This may indicate the participation in the development of verrucous epidermal nevi of changes in the p53 signaling pathway, the cellular response to a cytokine stimulus, and disturbances in cell adhesion and differentiation of Th1 and Th2 cells. The presented clinical cases describe linear verrucous epidermal nevus in order to study the diagnosis of the disease, based on the clinical picture. The need for differential diagnosis of various forms of verrucous epidermal nevi is due to their clinical and sometimes histological similarity with other skin formations. Immunohistochemical examination, genetic analysis using sequencing of the affected skin exome, and proteomic analysis of proteins expressed by affected skin cells help to carry out differential diagnosis.</p> <p>The study of the mechanisms of development of this disease will help not only in differential diagnosis with other skin diseases, but will also allow finding new approaches to its conservative therapy.</p></abstract><trans-abstract xml:lang="ru"><p>Веррукозные эпидермальные невусы ― гамартомы кератиноцитарных или эпидермальных придатков, которые располагаются на коже или слизистых оболочках в виде изолированных родимых пятен, реже имеют линейную локализацию. Патогенез веррукозных эпидермальных невусов до конца не определён: вероятно, развитие заболевания связано с генетическими мутациями во время эмбриогенеза и представляет собой особую форму кожного мозаицизма. Веррукозные эпидермальные невусы относятся к патологиям кожи, которые требуют внимания как потенциально опасные в аспекте развития злокачественных новообразований кожи и в связи с возможными трудностями их диагностики, в том числе дифференциальной.</p> <p>Цель статьи ― анализ современных данных о патогенезе и дифференциальной диагностике веррукозных эпидермальных невусов на примере клинического случая линейной формы патологии. Исследования патогенеза веррукозных эпидермальных невусов показало разнонаправленные изменения экспрессируемых белков OGN, NT5C3A, ADD1, OLFML1, DHRS1, CALML5, SAMHD1, SFRP2, SPRR1B и SERPINB13 поражёнными клетками кожи при данном заболевании, в том числе при воспалительной линейной форме. Перечисленные белки участвуют в активации нейтрофилов, опосредованном нейтрофилами иммунитете и сигнальном пути p53, а также в клеточном ответе на цитокиновый стимул, клеточной адгезии, дифференцировке клеток Th1 и Th2. В представленном клиническом случае диагностика заболевания основана на клинической картине. Необходимость дифференциальной диагностики разных форм веррукозных эпидермальных невусов обусловлена их клинической, а иногда и гистологической схожестью с другими образованиями кожи. Провести дифференциальную диагностику помогают иммуногистохимическое исследование, генетический анализ с помощью секвенирования экзома поражённой кожи и протеомный анализ белков, экспрессируемых поражёнными клетками кожи.</p> <p>Изучение механизмов развития веррукозных эпидермальных невусов поможет как с их дифференциальной диагностикой с другими заболеваниями кожи, так и с поиском новых подходов в консервативной терапии заболевания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>verrucous epidermal nevus</kwd><kwd>linear verrucous epidermal nevus</kwd><kwd>inflammatory linear verrucous epidermal nevus</kwd><kwd>melanocytes</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>веррукозный эпидермальный невус</kwd><kwd>линейный веррукозный эпидермальный невус</kwd><kwd>воспалительный линейный веррукозный эпидермальный невус</kwd><kwd>меланоциты</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Elmas ÖF, Akdeniz N. 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