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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="review-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">352496</article-id><article-id pub-id-type="doi">10.17816/dv352496</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТОЛОГИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Impact of combination therapy on Ki-67 and Bcl-2 expression in psoriasis</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние комбинированной терапии на экспрессию Ki-67 и Bcl-2 при псориазе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0404-779X</contrib-id><name-alternatives><name xml:lang="en"><surname>Melikova</surname><given-names>Nigina I.</given-names></name><name xml:lang="ru"><surname>Меликова</surname><given-names>Нигина Исраиловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Graduate Student</p></bio><bio xml:lang="ru"><p>аспирант</p></bio><email>niginamelikova29@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4380-6982</contrib-id><contrib-id contrib-id-type="spin">7902-5210</contrib-id><name-alternatives><name xml:lang="en"><surname>Tashkenbaeva</surname><given-names>Umida A.</given-names></name><name xml:lang="ru"><surname>Ташкенбаева</surname><given-names>Умида Алишеровна</given-names></name></name-alternatives><address><country country="UZ">Uzbekistan</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Associate Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, доцент</p></bio><email>umidatashkenbaeva@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tashkent Medical Academy</institution></aff><aff><institution xml:lang="ru">Тaшкeнтcкaя мeдицинcкaя aкaдемия</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-08-15" publication-format="electronic"><day>15</day><month>08</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2023-09-08" publication-format="electronic"><day>08</day><month>09</month><year>2023</year></pub-date><volume>26</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>375</fpage><lpage>382</lpage><history><date date-type="received" iso-8601-date="2023-04-27"><day>27</day><month>04</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-07-18"><day>18</day><month>07</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Melikova N.I., Tashkenbaeva U.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Меликова Н.И., Ташкенбаева У.А.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Melikova N.I., Tashkenbaeva U.A.</copyright-holder><copyright-holder xml:lang="ru">Меликова Н.И., Ташкенбаева У.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-09-08"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/352496">https://rjsvd.com/1560-9588/article/view/352496</self-uri><abstract xml:lang="en"><p><italic><bold>BACKGROUND: </bold></italic>Psoriasis is a chronic inflammatory immune-mediated disease characterized by an increased rate of keratinocyte division. Modern ideas about the immunopathogenesis of psoriasis, systemic inflammation and manifestations, comorbid conditions bring to the fore the question of the rational choice of therapy in patients with moderate and severe psoriasis.</p> <p><bold><italic>AIM:</italic></bold> to study the effect of the combined use of PUVA therapy and methotrexate on the expression levels of receptors for the proliferation marker Ki-67 and the anti-apoptotic protein Bcl-2.</p> <p><bold><italic>MATERIALS AND METHODS:</italic></bold> The study included 110 patients with moderate to sеvеrе psоriаsis,divided into 2 groups: the first group received PUVA therapy in combination with methotrexate (Mt); the second group received methotrexate (Mt) monotherapy. Skin biopsies were taken from the affected areas in 10 patients from the 1st group before and after therapy for immunohistochemical study to determine the level of expression of Ki-67 and Bcl-2. Healthy skin bioptats were taken from patients operated on for appendicitis and used as the control samples.</p> <p><bold><italic>RESULTS:</italic></bold> An immunohistochemical study revealed a statistically significant increase in the initial indicators of the expression level of Ki-67 and Bcl-2 in all patients with psoriasis compared with the control group. As a result of the combined therapy, there was a significant decrease in the expression of Ki-67 and Bcl-2.</p> <p><bold><italic>CONCLUSION:</italic></bold> The combined method of treatment of patients with psoriasis has an immunosuppressive effect, as evidenced by a significant decrease in the expression of the proliferation marker Ki-67 and the apoptosis inhibitor Bcl-2.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Псориаз является хроническим воспалительным иммуноопосредованным заболеванием, характеризующимся повышенной скоростью деления кератиноцитов. На сегодняшний день представления о патогенезе, системном воспалении и клинических проявлениях псориаза, а также коморбидных состояниях предполагают персонифицированный подход к выбору терапии псориаза среднетяжёлой и тяжёлой степени течения.</p> <p><bold>Цель исследования</bold> ― изучить влияние комбинированной терапии на уровни экспрессии рецепторов маркера пролиферации Ki-67 и антиапоптозного белка Bcl-2.</p> <p><bold>Материал и методы.</bold> В исследование включено 110 пациентов с вульгарным псориазом среднетяжёлой и тяжёлой степени, которых разделили на две группы: пациенты первой группы получали ПУВА-терапию (псорален+ультрафиолет А) в комбинации с метотрексатом; во второй группе проводилась монотерапия метотрексатом. Для проведения иммуногистохимического исследования с целью определения уровня экспрессии маркера Ki-67 и антиапоптотического белка Bcl-2 у 10 пациентов первой группы до и после терапии был взяты биоптаты кожи с поражённых участков. Для контроля использованы биоптаты здоровой кожи пациентов, прооперированных по поводу аппендицита.</p> <p><bold>Результаты.</bold> При проведении иммуногистохимического исследования установлено статистически значимое увеличение исходных показателей экспрессии Ki-67 и Bcl-2 у всех больных по сравнению с контрольной группой. В результате проведённой комбинированной терапии отмечалось достоверное снижение уровня экспрессии Ki-67 и Bcl-2.</p> <p><bold>Заключение.</bold> Показано иммуносупрессивное действие комбинированной терапии с использованием ПУВА и метотрексата у больных вульгарным псориазом среднетяжёлой и тяжёлой степени, что подтверждается снижением экспрессии пролиферативного маркера Ki-67 и ингибитора апоптоза Bcl-2.</p></trans-abstract><kwd-group xml:lang="en"><kwd>psoriasis</kwd><kwd>PUVA therapy</kwd><kwd>methotrexate</kwd><kwd>Ki-67</kwd><kwd>Bcl-2</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>псориаз</kwd><kwd>ПУВА-терапия</kwd><kwd>метотрексат</kwd><kwd>Ki-6</kwd><kwd>Bcl-2</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">Gudinova ZV, Okhlopkov VA, Poleshchuk EI, Zhernakova GN. Incidence of psoriasis depending on the region of the Russian Federation. 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