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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2023.07.39-50</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2327</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Клиническая и лабораторная характеристика недостаточности биотинидазы, эффективность применения специализированного пищевого продукта диетического лечебного питания «Витаминный комплекс Биотин»</article-title><trans-title-group xml:lang="en"><trans-title>Clinical and laboratory characteristics of biotinidase deficiency and the effectiveness of a specialized dietary supplement «Biotin Vitamin Complex»</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайлова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119571, г. Москва, Ленинский проспект, д. 117</p><p>115522 г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>117, Leninsky Prospect, Moscow, 119571</p><p>1, Moskvorechye st., Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Байдакова</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baydakova</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522 г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баранова</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranova</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522 г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Заживихина</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zazhivikhina</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119571, г. Москва, Ленинский проспект, д. 117</p></bio><bio xml:lang="en"><p>117, Leninsky Prospect, Moscow, 119571</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вотякова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Votyakova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119571, г. Москва, Ленинский проспект, д. 117</p></bio><bio xml:lang="en"><p>117, Leninsky Prospect, Moscow, 119571</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдуллина</surname><given-names>М. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdullina</surname><given-names>M. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119571, г. Москва, Ленинский проспект, д. 117</p></bio><bio xml:lang="en"><p>117, Leninsky Prospect, Moscow, 119571</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Захарова</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakharova</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115522 г. Москва, ул. Москворечье, д. 1</p></bio><bio xml:lang="en"><p>1, Moskvorechye st., Moscow, 115522</p></bio><email xlink:type="simple">labnbo@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России, обособленное структурное подразделение «Российская детская клиническая больница»; ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian National Medical Research University named after N.I. Pyrogov; Research Centre for Medical Genetics n.a. N.P. Bochkov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics n.a. N.P. Bochkov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России, обособленное структурное подразделение «Российская детская клиническая больница»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian National Medical Research University named after N.I. Pyrogov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>16</day><month>10</month><year>2023</year></pub-date><volume>22</volume><issue>7</issue><fpage>39</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Михайлова С.В., Байдакова Г.В., Баранова П.В., Заживихина М.В., Вотякова Н.А., Абдуллина М.Э., Захарова Е.Ю., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Михайлова С.В., Байдакова Г.В., Баранова П.В., Заживихина М.В., Вотякова Н.А., Абдуллина М.Э., Захарова Е.Ю.</copyright-holder><copyright-holder xml:lang="en">Mikhailova S.V., Baydakova G.V., Baranova P.V., Zazhivikhina M.V., Votyakova N.A., Abdullina M.E., Zakharova E.Y.</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.medgen-journal.ru/jour/article/view/2327">https://www.medgen-journal.ru/jour/article/view/2327</self-uri><abstract><p>Недостаточность или дефицит биотинидазы (НБ) — наследственное заболевание, связанное с нарушениями в гене биотинидазы и сопровождающееся неврологическими (эпилептические приступы, мышечная гипотония, задержка психомоторного развития) и метаболическими (метаболический ацидоз, повышенная экскреция органических кислот с мочой) нарушениями. Диагноз НБ устанавливают на основании комбинации клинических и лабораторных данных. При НБ своевременное начало приема биотинсодержащих препаратов в высоких дозах позволяет восполнить дефицит этого кофактора, восстановить функцию биотин-зависимых карбоксилаз и купировать клинические симптомы заболевания. В данной статье представлены результаты терапии пациентов с НБ и первый опыт применения специализированного пищевого продукта диетического лечебного питания “Витаминный комплекс Биотин”.</p></abstract><trans-abstract xml:lang="en"><p>Biotinidase deficiency is a hereditary disease associated with mutations in the gene encoding biotinidase and accompanied by neurological (epileptic seizures, muscle weakness, psychomotor retardation) and metabolic (metabolic acidosis, increased excretion of organic acids in the urine) defects. The diagnosis is made based on clinical and laboratory findings.</p><p>Timely administration of high doses of biotin compensates for its deficiency, restores the function of biotin-dependent carboxylases, and alleviates clinical symptoms of the disease. </p><p>This article presents the results of the therapeutic application of a specialized dietary supplement «Biotin Vitamin Complex» in patients with biotinidase deficiency.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>недостаточность биотинидазы</kwd><kwd>специализированный пищевой продукт диетического лечебного питания</kwd><kwd>наследственные болезни обмена веществ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biotinidase deficiency</kwd><kwd>specialized dietary supplement</kwd><kwd>inborn errors of metabolism</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">Gannavarapu S., Prasad C., DiRaimo J., et al. 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