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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">624417</article-id><article-id pub-id-type="doi">10.17816/dv624417</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Human leukocyte antigen class II (DRB1 and DQB1) alleles frequencies in patients with various forms of pemphigus among the Russian population</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка распространённости HLA DRB1 и DRQ1 аллелей у больных разными формами пузырчатки в российской популяции</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2482-1754</contrib-id><contrib-id contrib-id-type="spin">2500-7989</contrib-id><name-alternatives><name xml:lang="en"><surname>Olisova</surname><given-names>Olga Yu.</given-names></name><name xml:lang="ru"><surname>Олисова</surname><given-names>Ольга Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor, Corresponding member of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, чл.-корр. РАН</p></bio><email>olisovaolga@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4365-3090</contrib-id><contrib-id contrib-id-type="spin">3261-3520</contrib-id><name-alternatives><name xml:lang="en"><surname>Lepekhova</surname><given-names>Anfisa A.</given-names></name><name xml:lang="ru"><surname>Лепехова</surname><given-names>Анфиса Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><email>anfisa.lepehova@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2433-7727</contrib-id><contrib-id contrib-id-type="spin">5028-6000</contrib-id><name-alternatives><name xml:lang="en"><surname>Dukhanin</surname><given-names>Alexander S.</given-names></name><name xml:lang="ru"><surname>Духанин</surname><given-names>Александр Сергеевич</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>д-р мед. наук, профессор</p></bio><email>das03@rambler.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5800-4800</contrib-id><contrib-id contrib-id-type="spin">8013-3256</contrib-id><name-alternatives><name xml:lang="en"><surname>Teplyuk</surname><given-names>Natalia P.</given-names></name><name xml:lang="ru"><surname>Теплюк</surname><given-names>Наталия Павловна</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>д-р мед. наук, профессор</p></bio><email>teplyukn@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8887-4420</contrib-id><contrib-id contrib-id-type="spin">5232-8230</contrib-id><name-alternatives><name xml:lang="en"><surname>Shimanovsky</surname><given-names>Nikolay L.</given-names></name><name xml:lang="ru"><surname>Шимановский</surname><given-names>Николай Львович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor, Corresponding member of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, член-корр. РАН</p></bio><email>shimannn@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical 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="aff3"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-14" publication-format="electronic"><day>14</day><month>05</month><year>2024</year></pub-date><volume>27</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>143</fpage><lpage>153</lpage><history><date date-type="received" iso-8601-date="2023-12-10"><day>10</day><month>12</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2024-03-17"><day>17</day><month>03</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Эко-Вектор</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2027-05-14"/><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/624417">https://rjsvd.com/1560-9588/article/view/624417</self-uri><abstract xml:lang="en"><p><italic>BACKGROUND:</italic> Autoimmune bullous dermatoses are known to be the most severe blistering conditions of skin. <italic>HLA-DRB1 </italic>and <italic>DQB1</italic> alleles might play a crucial role in their onset. In pemphigus HLA class II molecules stimulate the division of T helper cells, which in turn stimulate B cells to produce antibodies to epidermal keratinocytes causing acantholysis. The <italic>HLA-DRB1</italic> and <italic>DQB1</italic> alleles’ frequencies studied in pemphigus in a vast variety of populations worldwide. However, as of yet, this mechanism was not investigated in Russian population.</p> <p><italic>AIM:</italic> To estimate the prevalence of the <italic>HLA-DRB1</italic> and <italic>DQB1</italic> alleles at a low- and high-resolution levels in patients with various forms of pemphigus. We observed 86 patients with pemphigus vulgaris, 13 ― with pemphigus foliaceus, 6 patients with paraneoplastic pemphigus and 92 healthy volunteers.</p> <p><italic>MATERIALS AND METHODS:</italic> HLA typing for <italic>DRB1</italic> and <italic>DQB1</italic> was performed with 50 nanogram DNA extraction and polymerase chain reaction.</p> <p><italic>RESULTS: </italic>At a low-resolution level <italic>HLA-DRB1*4</italic> and <italic>DRB1*14</italic> alleles were statistically significant more frequent in pemphigus vulgaris and pemphigus foliaceus patients compared to those in control subjects, whereas <italic>HLA-DRB1*11</italic>, <italic>DRB*16</italic>, and <italic>DRB1*3 </italic>alleles were more frequent in healthy volunteers. At a high-resolution level, <italic>DRB1*04:02</italic> allele was observed to show its statistically significant higher frequency in all variants of pemphigus, including paraneoplastic pemphigus. However,<italic> DRB1*14:05 </italic>HLA allele was more frequent in pemphigus vulgaris and pemphigus foliaceus patients, whereas <italic>DRB1*11:04</italic> one was found to be 3.7 times more frequent in healthy controls. Additionally, at a low-resolution level for <italic>HLA-DQB1</italic> alleles no statistically significant results were observed. However, at a high-resolution level the chances for more frequent indication of <italic>DQB1*03:02 </italic>allele were 7.09 times higher in pemphigus foliaceus group and 2.49 higher in pemphigus vulgaris patients compared to healthy volunteers. Moreover, <italic>DQB1*05:03</italic> was identified more frequently in pemphigus vulgaris and paraneoplastic pemphigus groups of patients, whereas DQB1*03:01 allele was shown to be increased in the group of healthy donors.</p> <p><italic>CONCLUSION:</italic> <italic>HLA-DRB1*4</italic>, <italic>DRB1*14</italic>, <italic>DRB1*04:02</italic>, <italic>DRB1*14:05</italic>, <italic>DQB1*03:02</italic> and <italic>DQB1*05:03</italic> alleles might be considered as the genetic markers for pemphigus vulgaris susceptibility, while <italic>HLA-DRB1*11</italic>, <italic>DRB*16</italic>, <italic>DRB1*3</italic>, <italic>DRB1*11:04</italic> and <italic>DQB1*03:01 </italic>allelic groups appear to be protective for Russian population.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. Аутоиммунные буллёзные дерматозы представляют собой наиболее тяжёлые заболевания кожи и часто могут заканчиваться летальным исходом. Известно, что генетические факторы, а именно ассоциация с <italic>DRB1</italic> и <italic>DQB1</italic> HLA аллелями II класса играет одну из ключевых ролей в дебюте аутоиммунных буллёзных дерматозов. Так, например, при пузырчатке молекулы HLA II класса посредством T-лимфоцитов участвуют в стимуляции B-клеток к выработке антител класса IgG к клеткам шиповатого слоя, вызывая акантолиз. Исследование распространённости HLA <italic>DRB1 </italic>и <italic>DQB1</italic> аллелей у больных пузырчаткой проводилось во многих популяциях, однако подобных работ в российской популяции ещё не было.</p> <p>Цель исследования ― оценить частоту распространённости HLA <italic>DRB1</italic> и <italic>DQB1</italic> аллелей на уровнях низкого и высокого разрешения у пациентов с различными формами пузырчатки.</p> <p>Материалы и методы. В исследовании приняли участие 86 больных вульгарной, 13 ― листовидной, 6 ― паранеопластической пузырчаткой и 92 здоровых донора. HLA-типирование для <italic>DRB1</italic> проводилось с помощью полимеразной цепной реакции с применением специфичных праймеров.</p> <p>Результаты. На уровне низкого разрешения <italic>HLA-DRB1*4</italic> и <italic>DRB1*14</italic> аллели статистически значимо чаще выявлялись у больных вульгарной и листовидной пузырчаткой по сравнению со здоровыми донорами, в то время как <italic>HLA-DRB1*11</italic>, <italic>DRB*16</italic> и <italic>DRB1*3</italic>, наоборот, достоверно чаще встречались в контрольной группе. На уровне высокого разрешения наблюдалось следующее распределение HLA <italic>DRB1</italic> аллелей: <italic>DRB1*04:02</italic> являлись предрасполагающими для всех разновидностей пузырчатки, включая паранеопластическую. <italic>DRB1*14:05</italic> HLA встречался статистически значимо чаще у больных вульгарной и листовидной пузырчаткой, тогда как <italic>DRB1*11:04</italic> в 3,7 раза чаще у здоровых доноров. На уровне низкого разрешения по HLA <italic>DQB1</italic> аллелям статистически значимой разницы не выявлено, однако при высоком разрешении показано, что шансы получить <italic>DQB1*03:02</italic> были в 7,09 раза выше у больных листовидной пузырчаткой и в 2,49 раза выше для группы вульгарной пузырчатки по сравнению со здоровыми донорами. Следует также отметить, что <italic>DQB1*05:03</italic> аллель достоверно часто встречался у больных вульгарной и паранеопластической пузырчаткой, тогда как <italic>DQB1*03:01</italic> — статистически значимо чаще в группе контроля.</p> <p>Заключение. В нашем исследовании показано, что <italic>HLA-DRB1*4</italic>, <italic>DRB1*14</italic>, <italic>DRB1*04:02</italic>, <italic>DRB1*14:05</italic>, <italic>DQB1*03:02 </italic>и <italic>DQB1*05:03</italic> аллели являлись предрасполагающими к развитию пузырчатки, в то время как <italic>HLA-DRB1*11</italic>, <italic>DRB*16</italic>, <italic>DRB1*3</italic>, <italic>DRB1*11:04</italic> и <italic>DQB1*03:01</italic> были протективными к развитию пузырчатки, поскольку статистически значимо чаще встречались в группе контроля.</p></trans-abstract><kwd-group xml:lang="en"><kwd>HLA DRB1 alleles</kwd><kwd>HLA DQB1 alleles</kwd><kwd>pemphigus</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>HLA DRB1 аллели</kwd><kwd>HLA DQB1 аллели</kwd><kwd>пузырчатка</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">Shams S, Amirzargar AA, Yousefi M, et al. 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