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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">neurojour</journal-id><journal-title-group><journal-title xml:lang="ru">Неврологический журнал имени Л.О. Бадаляна</journal-title><trans-title-group xml:lang="en"><trans-title>L.O. Badalyan Neurological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2686-8997</issn><issn pub-type="epub">2712-794X</issn><publisher><publisher-name>ФГАУ «НМИЦ здоровья детей» Минздрава России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46563/2686-8997-2023-4-4-208-214</article-id><article-id custom-type="edn" pub-id-type="custom">nikrvo</article-id><article-id custom-type="elpub" pub-id-type="custom">neurojour-114</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>КЛИНИЧЕСКИЕ СЛУЧАИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Ювенильный боковой амиотрофический склероз, обусловленный мутацией в гене SPTLC2: описание клинического случая</article-title><trans-title-group xml:lang="en"><trans-title>Juvenile amyotrophic lateral sclerosis caused by a mutation in the SPTLC2 gene: case presentation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1574-2050</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдуллаева</surname><given-names>Луизат Муслимовна</given-names></name><name name-style="western" xml:lang="en"><surname>Abdullaeva</surname><given-names>Luizat M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мл. науч. сотр. лаб. редких наследственных болезней у детей Медико-генетического центра, врач-невролог центра детской психоневрологии ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Минздрава России, 119991, Москва</p><p>e-mail: instorm@inbox.ru</p></bio><bio xml:lang="en"><p>Junior research assistant of the laboratory of rare hereditary childhood disorders of the Medical and Genetic Center, Neurologist of the Center of Child psychoneurology, National Medical Research Center of Children’s Health, Moscow, 119991, Russian Federation</p><p>e-mail: instorm@inbox.ru</p></bio><email xlink:type="simple">instorm@inbox.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/0000-0002-7269-9100</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куренков</surname><given-names>Алексей Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurenkov</surname><given-names>Alexey L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-9562-3774</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузенкова</surname><given-names>Людмила М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzenkova</surname><given-names>Lyudmila M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5657-7851</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лялина</surname><given-names>Анастасия А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyalina</surname><given-names>Anastasiya A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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/0000-0002-7548-3831</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иокша</surname><given-names>Виктория А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ioksha</surname><given-names>Victoria A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Минздрава России</institution></aff><aff xml:lang="en"><institution>National Medical Research Center for Children’s Health</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАУ «Национальный медицинский исследовательский центр здоровья детей» Минздрава России; ФГАОУ ВО «Первый Московский государственный медицинский университет имени И.М. Сеченова» Минздрава России (Сеченовский Университет)</institution></aff><aff xml:lang="en"><institution>National Medical Research Center for Children’s Health; I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University)</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>11</day><month>01</month><year>2024</year></pub-date><volume>4</volume><issue>4</issue><fpage>208</fpage><lpage>214</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абдуллаева Л.М., Куренков А.Л., Кузенкова Л.М., Лялина А.А., Иокша В.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Абдуллаева Л.М., Куренков А.Л., Кузенкова Л.М., Лялина А.А., Иокша В.А.</copyright-holder><copyright-holder xml:lang="en">Abdullaeva L.M., Kurenkov A.L., Kuzenkova L.M., Lyalina A.A., Ioksha V.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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.neuro-journal.ru/jour/article/view/114">https://www.neuro-journal.ru/jour/article/view/114</self-uri><abstract><p>Ювенильный боковой амиотрофический склероз (БАС) — редкая группа заболеваний двигательных нейронов с возрастом дебюта заболевания до 25 лет. Ювенильный БАС чаще имеет генетическое происхождение, чем спорадические формы БАС, возникающие у взрослых, и генетический анализ этих случаев с ранним началом даёт возможность идентифицировать гены, вызывающие заболевание. В статье представлен клинический случай редкого варианта ювенильного БАС, обусловленный мутацией в гене SPTLC2.</p><p>Случаи с ранним началом заболевания характеризуются медленным прогрессированием и вариабельным фенотипом, что часто затрудняет постановку точного диагноза, в связи с этим пациенты с комбинированным поражением верхних и нижних двигательных нейронов в возрасте до 25 лет должны быть комплексно обследованы, особенно на предмет генетических мутаций.</p><sec><title>Участие авторов</title><p>Участие авторов:Абдуллаева Л.М. — концепция и дизайн, написание текста, редактирование;Куренков А.Л. — концепция и дизайн, написание текста, редактирование;Кузенкова Л.М. — редактирование;Лялина А.А. — редактирование;Иокша В.А. — редактирование.Все соавторы — утверждение окончательного варианта статьи, ответственность за целостность всех частей статьи.</p></sec><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы декларируют отсутствие явных и потенциальных конфликтов интересов в связи с публикацией данной статьи.</p></sec><sec><title>Финансирование</title><p>Финансирование. Исследование не имело спонсорской поддержки.</p></sec><sec><title>Поступила 12</title><p>Поступила 12.10.2023Принята к печати 08.11.2023Опубликована 28.12.2023</p></sec></abstract><trans-abstract xml:lang="en"><p>Juvenile amyotrophic lateral sclerosis (ALS) is a rare group of motor neuron diseases, with the age of onset up to 25 years. Juvenile ALS more commonly has genetic origin vs. sporadic forms of ALS that develop in adulthood. Genetic analysis of these cases with early onset makes it possible to identify the genes responsible for the disease. Here we present a case of a rare variant of juvenile ALS caused due to the SPTLC2 gene mutation.</p><p>Cases with early disease onset are characterized by slow progression and variable phenotype, which often makes accurate diagnosis challenging. Therefore patients with combined upper and lower motor neuron disorders aged under 25 years should undergo comprehensive examination, in particular to identify gene mutations.</p><sec><title>Contribution</title><p>Contribution:Abdullaeva L.M. — concept and design, text writing, editing;Kurenkov A.L. — concept and design, text writing, editing;Kuzenkova L.M. — editing;Lyalina A.A. — editing;Ioksha V.A. — editing.All co-authors are responsible for the integrity of all parts of the manuscript and approval of its final version.</p></sec><sec><title>Acknowledgements</title><p>Acknowledgements. The study had no sponsorship.</p></sec><sec><title>Conflict of interest</title><p>Conflict of interest. The authors declare no conflict of interest.</p></sec><sec><title>Received</title><p>Received:  October 10, 2023Accepted:  November 11, 2023Published: December 28, 2023</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ювенильный боковой амиотрофический склероз</kwd><kwd>ген SPTLC2</kwd><kwd>ген SPTLC1</kwd><kwd>болезнь двигательного нейрона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>juvenile amyotrophic lateral sclerosis</kwd><kwd>SPTLC2 gene</kwd><kwd>SPTLC1 gene</kwd><kwd>motor neuron disease</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Liu Z.J., Lin H.X., Liu G.L., Tao Q.Q., Ni W., Xiao B.G., et al. The investigation of genetic and clinical features in Chinese patients with juvenile amyotrophic lateral sclerosis. Clin. 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