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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">porozendo</journal-id><journal-title-group><journal-title xml:lang="ru">Остеопороз и остеопатии</journal-title><trans-title-group xml:lang="en"><trans-title>Osteoporosis and Bone Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2680</issn><issn pub-type="epub">2311-0716</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/osteo13158</article-id><article-id custom-type="elpub" pub-id-type="custom">porozendo-13158</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>Оригинальное исследование</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Original study</subject></subj-group></article-categories><title-group><article-title>Исследование распространенности несовершенного остеогенеза и синдрома Элерса-Данло в Республике Башкортостан</article-title><trans-title-group xml:lang="en"><trans-title>Study of the prevalence of osteogenesis imperfecta and Ehlers-Danlo syndrome in the Republic of Bashkortostan</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0841-3024</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюрин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyurin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тюрин Антон Викторович - к.м.н., доцент; Scopus Author ID: 57195130662.</p><p>Уфа, ул. Ленина 3, 450008</p></bio><bio xml:lang="en"><p>Anton V. Tyurin - PhD, associate professor; Scopus Author ID: 57195130662.</p><p>Ufa Lenina str. 3, 450008</p></bio><email xlink:type="simple">anton.bgmu@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1643-3719</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Валеева</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Valeeva</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валеева Диана Ильдаровна</p><p>Уфа</p></bio><bio xml:lang="en"><p>Diana I. Valeeva</p><p>Ufa</p></bio><email xlink:type="simple">Diana2537@yandex.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/0000-0001-5965-2108</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ахиярова</surname><given-names>К. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Ahiiarova</surname><given-names>K. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ахиярова Карина Эриковна</p><p>Уфа</p></bio><bio xml:lang="en"><p>Karina E. Akhiiarova</p><p>Ufa</p></bio><email xlink:type="simple">liciadesu@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8643-850X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хусаинова</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khusainova</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хусаинова Рита Игоревна - д.б.н., доцент.</p><p>Уфа, Москва</p></bio><bio xml:lang="en"><p>Rita I. Khusainova - PhD, associate professor.</p><p>Ufa</p></bio><email xlink:type="simple">ritakh@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Bashkir State Medical University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ФГБОУ ВО «Башкирский государственный медицинский университет» Министерства здравоохранения Российской Федерации; ФГБУ «Национальный медицинский исследовательский центр эндокринологии» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Bashkir State Medical University; National Medical Research Center for Endocrinology<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>01</month><year>2025</year></pub-date><volume>27</volume><issue>3</issue><fpage>4</fpage><lpage>11</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тюрин А.В., Валеева Д.И., Ахиярова К.Э., Хусаинова Р.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Тюрин А.В., Валеева Д.И., Ахиярова К.Э., Хусаинова Р.И.</copyright-holder><copyright-holder xml:lang="en">Tyurin A.A., Valeeva D.I., Ahiiarova K.E., Khusainova R.I.</copyright-holder><license 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://www.osteo-endojournals.ru/jour/article/view/13158">https://www.osteo-endojournals.ru/jour/article/view/13158</self-uri><abstract><sec><title>ОБОСНОВАНИЕ</title><p>ОБОСНОВАНИЕ. Несовершенный остеогенез (МКБ10 Q78.0) и синдром Элерса-Данло (МКБ10 Q79.6) представляют собой редкие наследственные (орфанные) заболевания соединительной ткани с вариабельными клиническими проявлениями и широким спектром молекулярных дефектов. Данные о распространенности этих заболеваний фрагментарны вследствие гетерогенной клинической картины и низкой доступности молекулярной диагностики, как в мире, так и в России. Вместе с тем понимание частоты встречаемости этих заболеваний может помочь оптимизировать диагностику и повысить качество оказания медицинской помощи данной категории пациентов.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ. Провести анализ распространенности несовершенного остеогенеза и синдрома Элерса-Данло в Республике Башкортостан — по данным медицинской документации.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ. Данные о численности населения республики получены на официальном сайте Территориального органа Федеральной службы государственной статистики по Республике Башкортостан. Информация о частоте встречаемости заболеваний взята на основе отчетов ГКУЗ РБ Медицинский информационно-аналитический центр, анализа картотеки ГБУЗ Республиканский медико-генетический центр (г. Уфа) и анализа Республиканской медицинской информационно-аналитической системы «ПроМед». Молекулярно-генетические исследования проводились методом массового параллельного секвенирования.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ. Всего в Республике Башкортостан было выявлено 199 пациентов с несовершенным остеогенезом (НО), из них находятся под активным наблюдением 69 (34,6%) пациентов. Молекулярно-генетическое исследование проведено для 64 пациентов (32,1%), при этом выявлено 16 патогенных изменений в гене COL1A1, 11 патогенных мутаций в гене COL1A2, по одной мутации в генах P3H1 и IFITM5. Мужчин выявлено 112, женщин — 87 человек. Доля пациентов младше 18 лет в целом по республике составила 36,1%. В Уфе зарегистрировано 80 пациентов, процент находящихся под активным наблюдением составил 42,5%. В целом в Республике Башкортостан зарегистрировано 133 пациента с синдромом Элерса-Данло, из них под активным наблюдением — 30 пациентов (22,5%). Молекулярно-генетическое исследование проведено для 43 пациентов (32,3%), при этом выявлено 5 изменений нуклеотидной последовательности в гене COL5A1 и 3 — в гене COL5A2. Мужчин в целом по республике 71 человек, женщин — 62. Как и в случае с НО, преобладают пациенты старше 18 лет — их 89 человек (66,9%), под активным наблюдением из них 18 пациентов (28,6%). Общая распространенность НО в Республике Башкортостан составила 5,031 случая на 100 тыс. населения, синдрома Элерса-Данло — 3,362 случая на 100 тыс. населения. Пациенты с несовершенным остеогенезом чаще находятся под активным наблюдением по сравнению с имеющими синдром Элерса-Данло (48,6 и 22,5% соответственно), что объясняется более длительным периодом работы с этой группой больных.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ. Определена распространенность НО и синдрома Элерса-Данло в Республике Башкортостан по данным медицинской документации. Общая распространенность НО в Республике Башкортостан составила 5,031 случая на 100 тыс. населения, синдрома Элерса-Данло — 3,362 случая на 100 тыс. населения.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND: Osteogenesis imperfecta (Q78.0) and Ehlers-Danlo syndrome (Q79.6) are rare inherited (orphan) connective tissue diseases with variable clinical manifestations and a wide range of molecular defects. Data on the prevalence of these diseases are fragmentary due to the heterogeneous clinical picture and low availability of molecular diagnostics both in the world and in Russia. However, understanding the frequency of these diseases may help to optimize diagnosis and improve the quality of medical care for this category of patients.</p></sec><sec><title>AIM</title><p>AIM: To analyze the prevalence of osteogenesis imperfecta and Ehlers-Danlo syndrome in the Republic of Bashkortostan according to medical records.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS: Data on the population of the republic were obtained from the official website of the Federal State Statistics Service for the Republic of Bashkortostan. Information on the incidence of diseases was taken from the reports of the Medical Information and Analytical Center of the Republic of Bashkortostan, analysis of the card file of the Republican Medical and Genetic Center (Ufa) and analysis of the Republican Medical Information and Analytical System «ProMed». Molecular genetic studies were performed by massively parallel sequencing.</p></sec><sec><title>RESULTS</title><p>RESULTS: A total of 199 patients with osteogenesis imperfecta have been identified in the Republic of Bashkortostan, 69 (34.6%) of them are under active observation. Molecular genetic study was performed for 64 patients (32.1%), and 16 pathogenic changes in the COL1A1 gene, 11 pathogenic mutations in the COL1A2 gene, one mutation each in the P3H1 and IFITM5 genes were detected. 112 males and 87 females were identified. The share of patients under 18 years of age in the whole republic amounted to 36.1%. In Ufa 80 patients were registered, the percentage of patients under active surveillance amounted to 42.5%. In general, 133 patients with Ehlers-Danlo syndrome were registered in the Republic of Bashkortostan, of which 30 patients (22.5%) were under active surveillance. Molecular genetic study was carried out in 43 patients (32.3%), and 5 changes of nucleotide sequence in the COL5A1 gene and 3 in the COL5A2 gene were revealed. There were 71 men and 62 women. As in the case of LE, patients older than 18 years prevail — 89 patients (66.9%), 18 patients (28.6%) were under active surveillance. The overall prevalence of osteogenesis imperfecta in the Republic of Bashkortostan amounted to 5.031 cases per 100,000 population, Ehlers-Danlo syndrome — 3.362 cases per 100,000 population. Patients with osteogenesis imperfecta are more often on active follow-up compared to Ehlers-Danlo syndrome (48.6% and 22.5%, respectively), which is explained by a longer period of work with this group of patients.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION: The prevalence of osteogenesis imperfecta and Ehlers-Danlo syndrome in the Republic of Bashkortostan according to medical records was determined. The total prevalence of osteogenesis imperfecta in the Republic of Bashkortostan amounted to 5.031 cases per 100 thousand population, Ehlers-Danlo syndrome - 3.362 cases per 100 thousand population.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>несовершенный остеогенез</kwd><kwd>синдром Элерса-Данло</kwd><kwd>распространенность</kwd><kwd>эпидемиология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>osteogenesis imperfecta</kwd><kwd>Ehlers-Danlo syndrome</kwd><kwd>prevalence</kwd><kwd>epidemiology</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Грант в форме субсидий из бюджета Республики Башкортостан для государственной поддержки молодых ученых — аспирантов и кандидатов наук (шифр конкурса — НОЦ-ГМУ-2023)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Marom R, Lee Y, Grafe I, Lee B. 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