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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">579</article-id><article-id pub-id-type="doi">10.17650/2222-8721-2023-13-4-113-116</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЙ РАЗБОР</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">A clinical case of severe aromatic L-amino acid decarboxylase deficiency</article-title><trans-title-group xml:lang="ru"><trans-title>Клинический случай тяжелого дефицита декарбоксилазы ароматических L-аминокислот</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2017-1651</contrib-id><name-alternatives><name xml:lang="en"><surname>Shidlovskaya</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Шидловская</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Taldomskaya St., Moscow 125412</p></bio><bio xml:lang="ru"><p>Ольга Александровна Шидловская</p><p>125412 Москва, ул. Талдомская, 2</p></bio><email>shidlovsckaya.oa@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8876-7462</contrib-id><name-alternatives><name xml:lang="en"><surname>Artemyeva</surname><given-names>S. B.</given-names></name><name xml:lang="ru"><surname>Артемьева</surname><given-names>С. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Taldomskaya St., Moscow 125412</p></bio><bio xml:lang="ru"><p>125412 Москва, ул. Талдомская, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3594-6974</contrib-id><name-alternatives><name xml:lang="en"><surname>Belousova</surname><given-names>E. D.</given-names></name><name xml:lang="ru"><surname>Белоусова</surname><given-names>Е. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Taldomskaya St., Moscow 125412</p></bio><bio xml:lang="ru"><p>125412 Москва, ул. Талдомская, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9286-7805</contrib-id><name-alternatives><name xml:lang="en"><surname>Gorchkhanova</surname><given-names>Z. K.</given-names></name><name xml:lang="ru"><surname>Горчханова</surname><given-names>З. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>2 Taldomskaya St., Moscow 125412</p></bio><bio xml:lang="ru"><p>125412 Москва, ул. Талдомская, 2</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Yu.E. Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the N.I. Pirogov Russian National Research Medical University University</institution></aff><aff><institution xml:lang="ru">ОСП «Научно-исследовательский клинический институт педиатрии и детской хирургии им. акад. Ю.Е. Вельтищева» ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-01-05" publication-format="electronic"><day>05</day><month>01</month><year>2024</year></pub-date><volume>13</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><history><date date-type="received" iso-8601-date="2024-01-05"><day>05</day><month>01</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-01-05"><day>05</day><month>01</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Shidlovskaya O.A., Artemyeva S.B., Belousova E.D., Gorchkhanova Z.K.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Шидловская О.А., Артемьева С.Б., Белоусова Е.Д., Горчханова З.К.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Shidlovskaya O.A., Artemyeva S.B., Belousova E.D., Gorchkhanova Z.K.</copyright-holder><copyright-holder xml:lang="ru">Шидловская О.А., Артемьева С.Б., Белоусова Е.Д., Горчханова З.К.</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/579">https://nmb.abvpress.ru/jour/article/view/579</self-uri><abstract xml:lang="en"><p>We present a case of a rare disease, aromatic L-amino acid decarboxylase deficiency (AADCD), with delayed diagnosis even after a pathogenic mutation indicative of AADCD was found. In most cases, AADCD causes marked impairment of motor and psycho- speech development and is accompanied by severe episodes of dystonia – oculogyric crises. The careful attention of neurologists, pediatricians, geneticists, gastroenterologists, and pulmonologists in cases of a complex set of diverse symptoms determines the success of early diagnosis and the earliest possible prescription of modern gene replacement therapy for AADCD.</p></abstract><trans-abstract xml:lang="ru"><p>Представлен случай редкого заболевания – дефицита декарбоксилазы ароматических L-аминокислот (aromatic L-amino acid decarboxylase deficiency, AADCD) с задержкой диагноза даже после того, как была обнаружена патогенная мутация, указывающая на AADCD. Чаще всего AADCD вызывает выраженные нарушения моторного и психоречевого развития и сопровождается тяжелыми эпизодами дистонии – окулогирными кризами. Настороженность внимания неврологов, педиатров, генетиков, гастроэнтерологов, пульмонологов в случаях сложного комплекса разнообразных симптомов определяет успех ранней диагностики и максимально раннего назначения современной генозаместительной терапии AADCD.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aromatic L-amino acid decarboxylase deficiency</kwd><kwd>oculogyric crises</kwd><kwd>DDC gene</kwd><kwd>hypotension</kwd><kwd>dystonia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>декарбоксилазы ароматических L-аминокислот</kwd><kwd>окулогирные кризы</kwd><kwd>ген DDC</kwd><kwd>гипотония</kwd><kwd>дистония</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">1. Pearson T.S., Gilbert L., Opladen T. et al. AADC deficiency from infancy to adulthood: Symptoms and developmental outcome in an international cohort of 63 patients. J Inherit Metab Dis 2020;43(5):1121–30. 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