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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">Vestnik dermatologii i venerologii</journal-id><journal-title-group><journal-title xml:lang="en">Vestnik dermatologii i venerologii</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник дерматологии и венерологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0042-4609</issn><issn publication-format="electronic">2313-6294</issn><publisher><publisher-name xml:lang="en">Rossijskoe Obschestvo Dermatovenerologov i Kosmetologov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">14873</article-id><article-id pub-id-type="doi">10.25208/vdv14873</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>НАУЧНЫЕ ИССЛЕДОВАНИЯ</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">Features of skin colonization with Staphylococcus spp. in atopic dermatitis and psoriasis patients</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности колонизации кожи пациентов с атопическим дерматитом и псориазом микроорганизмами рода Staphylococcus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8677-4167</contrib-id><contrib-id contrib-id-type="scopus">57214320275</contrib-id><contrib-id contrib-id-type="researcherid">AAM-4250-2020</contrib-id><contrib-id contrib-id-type="spin">8072-7935</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikolaeva</surname><given-names>Marina Yu.</given-names></name><name xml:lang="ru"><surname>Николаева</surname><given-names>Марина Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD</p></bio><bio xml:lang="ru"><p>ассистент</p></bio><email>lavrukhina.mary@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8211-1665</contrib-id><contrib-id contrib-id-type="scopus">7003438332</contrib-id><contrib-id contrib-id-type="researcherid">ACC-8031-2022</contrib-id><contrib-id contrib-id-type="spin">1837-2098</contrib-id><name-alternatives><name xml:lang="en"><surname>Monakhov</surname><given-names>Konstantin N.</given-names></name><name xml:lang="ru"><surname>Монахов</surname><given-names>Константин Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>knmonakhov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7610-6061</contrib-id><contrib-id contrib-id-type="scopus">23669241000</contrib-id><contrib-id contrib-id-type="researcherid">AAL-7772-2020</contrib-id><contrib-id contrib-id-type="spin">6807-7137</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolovskiy</surname><given-names>Evgeny V.</given-names></name><name xml:lang="ru"><surname>Соколовский</surname><given-names>Евгений Владиславович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>s40@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">First Pavlov State Medical University of St. Petersburg</institution></aff><aff><institution xml:lang="ru">Первый Санкт-Петербургский государственный медицинский университет им. академика И.П. Павлова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-07-22" publication-format="electronic"><day>22</day><month>07</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-08-26" publication-format="electronic"><day>26</day><month>08</month><year>2024</year></pub-date><volume>100</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>51</fpage><lpage>59</lpage><history><date date-type="received" iso-8601-date="2023-09-03"><day>03</day><month>09</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-07-13"><day>13</day><month>07</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Nikolaeva M.Y., Monakhov K.N., Sokolovskiy E.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Николаева М.Ю., Монахов К.Н., Соколовский Е.В.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Nikolaeva M.Y., Monakhov K.N., Sokolovskiy E.V.</copyright-holder><copyright-holder xml:lang="ru">Николаева М.Ю., Монахов К.Н., Соколовский Е.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnikdv.ru/jour/article/view/14873">https://vestnikdv.ru/jour/article/view/14873</self-uri><abstract xml:lang="en"><p><bold>Background</bold><bold>.<italic> </italic></bold>Characteristics of commensal and pathogenic species of <italic>Staphylococcus</italic><italic> </italic><italic>spp</italic>. and their contribution in atopic dermatitis (AD) and psoriasis pathogenesis remains to be understudied.</p> <p><bold>Aims</bold><bold>. </bold>The aim of our study was identification of <italic>Staphylococcus</italic><italic> </italic><italic>spp</italic>. skin colonization in patients with AD and psoriasis.</p> <p><bold>Methods</bold><bold>.</bold> The study included 34 patients with AD and 35 patients with psoriasis. The material was taken from lesional and normal skin of body and scalp. We used cultural and molecular biological research methods for further evaluation. The data were statistically processed.</p> <p><bold>Results</bold><bold>.</bold> Mean SCORAD for AD patients who carries toxigenic <italic>S</italic><italic>. </italic>a<italic>ureus</italic> strains (2) was 57.43 ± 9.75, in group without toxigenic <italic>S</italic><italic>. </italic>a<italic>ureus</italic> strains (1) mean SCORAD was lower — 37.90 ± 8.63 (<italic>р</italic> = 0.054). Mean SCORAD for AD patients who carries <italic>S</italic><italic>. </italic><italic>epidermidis</italic> strains, toxigenic and non-toxigenic <italic>S</italic><italic>. </italic>a<italic>ureus</italic> strains (3) was 51.3 ± 12.75, difference between group 2 and 3 was insignificant (<italic>р</italic> = 0,18). Mean PASI for psoriasis patients-carriers <italic>S</italic><italic>. </italic>a<italic>ureus</italic> strains was 27.1 ± 11.35, mean PASI for psoriasis patients-carriers <italic>S</italic><italic>. </italic><italic>epidermidis</italic> strains was 20.9 ± 9.07. Difference between this groups was statistically insignificant (<italic>р</italic> = 0.42). All strains of <italic>S</italic><italic>. </italic><italic>aureus</italic> were carriers of pathogenicity factors, about 90% of strains being able to produсe secreted toxins.</p> <p><bold>Conclusion</bold><bold>.<italic> </italic></bold>This study reveals some aspects of skin colonization by <italic>Staphylococcus</italic><italic> </italic><italic>spp</italic><italic>.</italic> in patients with AD and psoriasis. We identify some correlations between severity of inflammatory disease and characteristics of microorganism’s strain.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Видовые характеристики комменсальных и патогенных микроорганизмов рода <italic>Staphylococcus</italic>, их вклад в течение воспалительного процесса у пациентов с атопическим дерматитом и псориазом остаются недостаточно изученными.</p> <p><bold>Цель исследования.</bold> Выявление особенностей колонизации кожи пациентов с атопическим дерматитом и псориазом микроорганизмами рода <italic>Staphylococcus</italic>.</p> <p><bold>Методы.</bold> В исследование были включены пациенты с атопическим дерматитом и псориазом. Материал для исследования был получен с пораженной и видимо неизмененной кожи волосистой части головы и гладкой кожи. Дальнейшая оценка производилась при помощи культуральных и молекулярно-биологических методов исследования. Полученные данные были статистически обработаны.</p> <p><bold>Результаты.</bold> Среднее значение индекса SCORAD у пациентов — носителей токсин-продуцирующих штаммов <italic>S</italic><italic>. а</italic><italic>ureus</italic> (2) составило 57,43 ± 9,75; у носителей нетоксигенных штаммов <italic>S</italic><italic>. а</italic><italic>ureus</italic> (1) — 37,90 ± 8,63; разница была статистически значимой (<italic>р</italic> = 0,054). Среднее значение индекса SCORAD в группе пациентов — носителей <italic>S</italic><italic>. </italic><italic>epidermidis</italic>, токсин-продуцирующих и непродуцирующих штаммов <italic>S</italic><italic>. </italic><italic>aureus</italic> (3), составило 51,3 ± 12,75; статистически значимой разницы между группами 2 и 3 не обнаружено (<italic>р</italic> = 0,18). Среднее значение индекса PASI у пациентов — носителей <italic>S</italic><italic>. а</italic><italic>ureus</italic> составило 27,1 ± 11,35; а у пациентов — носителей <italic>S</italic><italic>. </italic><italic>epidermidis</italic> — 20,9 ± 9,07; разница была статистически незначима (<italic>р</italic> = 0,42). Все идентифицированные изоляты золотистого стафилококка являлись носителями факторов патогенности, при этом до 90% были токсин-продуцирующими.</p> <p><bold>Заключение.</bold> При выполнении исследования выявлены особенности колонизации кожи пациентов с атопическим дерматитом и псориазом микроорганизмами рода <italic>Staphylococcus</italic>, а также взаимосвязь тяжести течения кожного процесса с характеристиками выделенного изолята.</p> <p>Конфликт интересов: авторы данной статьи подтвердили отсутствие конфликта интересов, о котором необходимо сообщить.</p> <p>Источник финансирования: рукопись подготовлена и опубликована за счет финансирования по месту работы авторов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>atopic dermatitis</kwd><kwd>psoriasis</kwd><kwd>Staphylococcus aureus</kwd><kwd>Staphylococcus epidermidis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>атопический дерматит</kwd><kwd>псориаз</kwd><kwd>Staphylococcus аureus</kwd><kwd>Staphylococcus epidermidis</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. 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