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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">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">422</article-id><article-id pub-id-type="doi">10.17816/psaic422</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical and genetic characteristcs of hereditary motor and sensory neuropathy type IIA</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-генетические особенности моторно-сенсорной невропатии IIА типа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dadali</surname><given-names>Elena L.</given-names></name><name xml:lang="ru"><surname>Дадали</surname><given-names>Елена Леонидовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>genclinic@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Schagina</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Щагина</surname><given-names>O. A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>genclinic@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fedotov</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Федотов</surname><given-names>В. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>genclinic@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Center for Medical Genetics</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Медико-генетический научный центр им. Н.П. Бочкова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Research Centre for Medical Genetics</institution></aff><aff><institution xml:lang="ru">ФГБНУ «Медико-генетический научный центр им. Н.П. Бочкова»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Voronezh Regional Clinical and Diagnostic Centre and Genetics Consulting Centre</institution></aff><aff><institution xml:lang="ru">Воронежский областной клинический диагностический центр и межобластная медико-генетическая консультация</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2007-12-14" publication-format="electronic"><day>14</day><month>12</month><year>2007</year></pub-date><volume>1</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>10</fpage><lpage>14</lpage><history><date date-type="received" iso-8601-date="2017-02-07"><day>07</day><month>02</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2007, Dadali E.L., Schagina O.A., Fedotov V.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2007, Dadali E.L., Schagina O.A., Fedotov V.P.</copyright-statement><copyright-year>2007</copyright-year><copyright-holder xml:lang="en">Dadali E.L., Schagina O.A., Fedotov V.P.</copyright-holder><copyright-holder xml:lang="ru">Dadali E.L., Schagina O.A., Fedotov V.P.</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://annaly-nevrologii.com/pathID/article/view/422">https://annaly-nevrologii.com/pathID/article/view/422</self-uri><abstract xml:lang="en"><p>In this study, clinical manifestations of hereditary motor and sensory neuropathy type IIA (HMSN IIA, or Charcot–Marie–Tooth disease type 2A) were analyzed in 22 patients with the disease caused by different mutations of the MFN2 gene. Molecular genetic analysis showed that in the examined cohort of Russian families with axonal form of hereditary motor and sensory neuropathy, HMSN IIA accounted for 17% cases. Eighteen from 22 patients under observation were members of three large families with the disease segregating in two or more generations, which enabled us to determine the scope of clinical polymorphism of HMSN IIA, as well as to assess intra and interfamilial variability of clinical features and follow up the dynamics of clinical phenotype formation upon the disease progression.</p></abstract><trans-abstract xml:lang="ru"><p>В работе проанализированы клинические проявления наследственной моторно-сенсорной нейропатии типа IIА (НМСН IIA, или болезнь Шарко–Мари–Тута 2A) у 22 больных, причиной заболевания которых стали различные мутации гена MFN2. Молекулярно генетический анализ показал, что в обследованной выборке российских семей с аксональной формой наследственной моторно сенсорной невропатии случаи НМСН IIА составили 17 %. Восемнадцать из 22 наблюдавшихся больных с НМСН IIА были членами трех больших семей с сегрегацией заболевания в двух и более поколениях, что позволило определить размах клинического полиморфизма НМСН IIА, а также оценить внутри и межсемейную вариабельность клинических признаков и проследить динамику формирования клинического фенотипа по мере прогрессирования заболевания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hereditary motor and sensory neuropathy</kwd><kwd>axonal type</kwd><kwd>mitofusin 2</kwd><kwd>clinical and genetic characteristics</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>наследственная моторно-сенсорная невропатия</kwd><kwd>аксональный тип</kwd><kwd>митофузин 2</kwd><kwd>клинико-генетическая характеристика</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Бадалян Л.О., Скворцов И.А. Клиническая электронейромиография. 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