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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Neuromuscular Diseases</journal-id><journal-title-group><journal-title xml:lang="en">Neuromuscular Diseases</journal-title><trans-title-group xml:lang="ru"><trans-title>Нервно-мышечные болезни</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-8721</issn><issn publication-format="electronic">2413-0443</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">600</article-id><article-id pub-id-type="doi">10.17650/2222-8721-2024-14-2-25-37</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Expanding the spectrum of clinical and genetic characteristics of distal arthrogryposis type 5 caused by heterozygous variants in the PIEZO2 gene</article-title><trans-title-group xml:lang="ru"><trans-title>Расширение спектра клинико-генетических характеристик дистального артрогрипоза 5-го типа, обусловленного гетерозиготными вариантами в гене PIEZO2</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5602-2805</contrib-id><name-alternatives><name xml:lang="en"><surname>Dadali</surname><given-names>E. L.</given-names></name><name xml:lang="ru"><surname>Дадали</surname><given-names>Е. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2672-6294</contrib-id><name-alternatives><name xml:lang="en"><surname>Markova</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Маркова</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5436-836X</contrib-id><name-alternatives><name xml:lang="en"><surname>Melnik</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Мельник</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Evgeniya Aleksandrovna Melnik </p><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>Евгения Александровна Мельник </p><p>115522 Москва, ул. Москворечье, 1</p></bio><email>evmel88@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3292-2758</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikitin</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Никитин</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5819-4835</contrib-id><name-alternatives><name xml:lang="en"><surname>Sharkova</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Шаркова</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2708-9220</contrib-id><name-alternatives><name xml:lang="en"><surname>Khalanskaya</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Халанская</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5946-4577</contrib-id><name-alternatives><name xml:lang="en"><surname>Bessonov</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Бессонова</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2151-6025</contrib-id><name-alternatives><name xml:lang="en"><surname>Shestopalova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Шестопалова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1285-9093</contrib-id><name-alternatives><name xml:lang="en"><surname>Ryzhkova</surname><given-names>O. P.</given-names></name><name xml:lang="ru"><surname>Рыжкова</surname><given-names>О. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2690-7842</contrib-id><name-alternatives><name xml:lang="en"><surname>Trofimova</surname><given-names>S. I.</given-names></name><name xml:lang="ru"><surname>Трофимова</surname><given-names>С. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>64–68 Parkovaya St., Pushkin,  Saint Petersburg 196603</p></bio><bio xml:lang="ru"><p>196603 Санкт-Петербург, Пушкин, ул. Парковая, 64–68</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6655-4108</contrib-id><name-alternatives><name xml:lang="en"><surname>Agranovich</surname><given-names>O. E.</given-names></name><name xml:lang="ru"><surname>Агранович</surname><given-names>О. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>64–68 Parkovaya St., Pushkin,  Saint Petersburg 196603</p></bio><bio xml:lang="ru"><p>196603 Санкт-Петербург, Пушкин, ул. Парковая, 64–68</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3133-8018</contrib-id><name-alternatives><name xml:lang="en"><surname>Kutsev</surname><given-names>S. I.</given-names></name><name xml:lang="ru"><surname>Куцев</surname><given-names>С. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Moskvorechye St., Moscow 115522</p></bio><bio xml:lang="ru"><p>115522 Москва, ул. Москворечье, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Centre for Medical Genetics</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Медико-генетический научный центр им. акад. Н.П. Бочкова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">H. Turner National Medical Research Center for Children’s Orthopedics and Trauma Surgery</institution></aff><aff><institution xml:lang="ru">ФБГУ «Национальный медицинский исследовательский центр детской травматологии и ортопедии им. Г.И. Турнера»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-05-24" publication-format="electronic"><day>24</day><month>05</month><year>2024</year></pub-date><volume>14</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><history><date date-type="received" iso-8601-date="2024-05-24"><day>24</day><month>05</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-05-24"><day>24</day><month>05</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Dadali E.L., Markova T.V., Melnik E.A., Nikitin S.S., Sharkova I.V., Khalanskaya O.V., Bessonov L.A., Shestopalova E.A., Ryzhkova O.P., Trofimova S.I., Agranovich O.E., Kutsev S.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Дадали Е.Л., Маркова Т.В., Мельник Е.А., Никитин С.С., Шаркова И.В., Халанская О.В., Бессонова Л.А., Шестопалова Е.А., Рыжкова О.П., Трофимова С.И., Агранович О.Е., Куцев С.И.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Dadali E.L., Markova T.V., Melnik E.A., Nikitin S.S., Sharkova I.V., Khalanskaya O.V., Bessonov L.A., Shestopalova E.A., Ryzhkova O.P., Trofimova S.I., Agranovich O.E., Kutsev S.I.</copyright-holder><copyright-holder xml:lang="ru">Дадали Е.Л., Маркова Т.В., Мельник Е.А., Никитин С.С., Шаркова И.В., Халанская О.В., Бессонова Л.А., Шестопалова Е.А., Рыжкова О.П., Трофимова С.И., Агранович О.Е., Куцев С.И.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://nmb.abvpress.ru/jour/article/view/600">https://nmb.abvpress.ru/jour/article/view/600</self-uri><abstract xml:lang="en"><p>Pathogenic heterozygous variants in the <italic>PIEZO2 </italic>gene cause distal arthrogryposis type 5 – a rare autosomal dominant disease, which is characterized by the development of congenital contractures, ophthalmoparesis, ptosis and restrictive respiratory disorders. We have presented clinical and genetic characteristics of seven Russian patients with distal arthrogryposis type 5  caused by previously described and newly identified nucleotide variants in the <italic>PIEZO2</italic> gene. It was shown that the most severe clinical manifestations were found in patients with newly identified nucleotide variants c.8238G&gt;A (p.Trp274Ter) and c.7095G&gt;T (p.Trp2365Cys), while in patients with other previously described variants c.8181_8183delAGA (p.Glu2727del) and c.2134A&gt;G (p.Met712Val) the clinical phenotype is more moderately expressed. The dynamics of phenotype formation were also noted. It has been shown that the disease progression may occur as the child grows and requires monitoring of this group of patients.</p></abstract><trans-abstract xml:lang="ru"><p>Патогенные гетерозиготные варианты в гене <italic>PIEZO2 </italic>обусловливают возникновение дистального артрогрипоза 5‑го типа – редкого аутосомно‑доминантного заболевания, для которого характерно развитие врожденных контрактур, офтальмопареза, птоза, а также дыхательных нарушений по рестриктивному типу. Представлены клинико‑генетические характеристики 7 российских пациентов с дистальным артрогрипозом 5‑го типа, обусловленным ранее описанными и вновь выявленными нуклеотидными вариантами в гене <italic>PIEZO2. </italic>Показано, что наиболее тяжелые клинические проявления обнаружены у пациентов с вновь выявленными нуклеотидными вариантами с.8238G&gt;A (p.Trp274Ter) и c.7095G&gt;T (p.Trp2365Cys), в то время как у пациентов с другими ранее описанными вариантами с.8181_8183delAGA (p.Glu2727del) и c.2134A&gt;G (p.Met712Val) клинический фенотип выражен умереннее. Также отмечена динамика формирования фенотипа. Показано, что по мере роста ребенка заболевание может прогрессировать и требует мониторинга за данной группой пациентов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>distal arthrogryposis type 5, mechanosensitive ion channel, PIEZO2 gene</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дистальный артрогрипоз 5‑го типа, механочувствительный ионный канал, ген PIEZO2</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">Coste B., Mathur J., Schmidt M. et al. Piezo1 and Piezo2 are essential components of distinct mechanically activated cation channels. Science 2010; 330(6000):55–60. DOI: 10.1126/science.1193270</mixed-citation><mixed-citation xml:lang="ru">Coste B., Mathur J., Schmidt M. et al. Piezo1 and Piezo2 are essential components of distinct mechanically activated cation channels. Science 2010; 330(6000):55–60. 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