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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">porozendo</journal-id><journal-title-group><journal-title xml:lang="ru">Остеопороз и остеопатии</journal-title><trans-title-group xml:lang="en"><trans-title>Osteoporosis and Bone Diseases</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2680</issn><issn pub-type="epub">2311-0716</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/osteo10094</article-id><article-id custom-type="elpub" pub-id-type="custom">porozendo-10094</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>Клинический случай (или краткое сообщение)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Case report</subject></subj-group></article-categories><title-group><article-title>MELAS-синдром как необычная причина гипопаратиреоза: клиническое наблюдение</article-title><trans-title-group xml:lang="en"><trans-title>MELAS syndrome as a unusual cause of hypoparathyroidism: clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9668-3680</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Умярова</surname><given-names>Диляра Шамилевна</given-names></name><name name-style="western" xml:lang="en"><surname>Umiarova</surname><given-names>Diliara Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>клинический ординатор</p></bio><bio xml:lang="en"><p>resident</p></bio><email xlink:type="simple">umyarova.dilyara@mail.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/0000-0003-1413-1549</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гребенникова</surname><given-names>Татьяна Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Grebennikova</surname><given-names>Tatiana A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник отделения нейроэндокринологии и остеопатий </p></bio><bio xml:lang="en"><p>reseacher</p></bio><email xlink:type="simple">grebennikova@hotmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7724-1617</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зенкова</surname><given-names>Татьяна Станиславовна</given-names></name><name name-style="western" xml:lang="en"><surname>Zenkova</surname><given-names>Tatiana S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, сотрудник отделения нейроэндокринологии и остеопатии</p></bio><bio xml:lang="en"><p>Phd</p></bio><email xlink:type="simple">tatianazenkova@rambler.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/0000-0002-7724-1617</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соркина</surname><given-names>Екатерина Леонидовна</given-names></name><name name-style="western" xml:lang="en"><surname>Sorkina</surname><given-names>Ekaterina L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, научный сотрудник</p></bio><bio xml:lang="en"><p>Phd</p></bio><email xlink:type="simple">ekaterina.sorkina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6674-6441</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белая</surname><given-names>Жанна Евгеньевна</given-names></name><name name-style="western" xml:lang="en"><surname>Belaya</surname><given-names>Zhanna E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н, заведующая отделением нейроэндокринологии и остеопатий</p></bio><bio xml:lang="en"><p>MD, PhD, professor</p></bio><email xlink:type="simple">jannabelaya@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">&lt;p&gt;ФГБУ "Национальный медицинский исследовательский центр эндокринологии" Минздрава России&lt;/p&gt;<country>Россия</country></aff><aff xml:lang="en">&lt;p&gt;Endocrinology Research Centre&lt;/p&gt;<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2019</year></pub-date><volume>21</volume><issue>3</issue><fpage>30</fpage><lpage>35</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Умярова Д.Ш., Гребенникова Т.А., Зенкова Т.С., Соркина Е.Л., Белая Ж.Е., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Умярова Д.Ш., Гребенникова Т.А., Зенкова Т.С., Соркина Е.Л., Белая Ж.Е.</copyright-holder><copyright-holder xml:lang="en">Umiarova D.S., Grebennikova T.A., Zenkova T.S., Sorkina E.L., Belaya Z.E.</copyright-holder><license 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.osteo-endojournals.ru/jour/article/view/10094">https://www.osteo-endojournals.ru/jour/article/view/10094</self-uri><abstract><p>MELAS-синдром относится к группе прогрессирующих митохондриальных заболеваний, связанных с точечными мутациями в митохондриальной ДНК, и включает в себя митохондриальную энцефаломиопатию, лактатацидоз, инсультоподобные эпизоды, которые могут сочетаться с поражением эндокринных желез (щитовидной, околощитовидных и поджелудочной желез). При этом частота развития гипопаратиреоза в рамках синдрома составляет менее 0,5%.</p><p>Верификация MELAS-синдрома связана с определенными трудностями из-за низкой встречаемости заболевания и полиморфизма клинических проявлений и требует преемственности в работе врачей разных специальностей, прежде всего неврологов, эндокринологов и сурдологов. Подтверждение диагноза осуществляется посредством молекулярно-генетического исследования митохондриальной ДНК в лимфоцитах, также в некоторых случаях проводят анализ биоптата мышечной ткани.</p><p>В статье мы приводим редкий случай диагностики MELAS-синдрома у молодой пациентки на основании наличия гипопаратиреоза неясного генеза в сочетании с неврологической симптоматикой, сахарным диабетом, лактатацидозом и тугоухостью. MELAS-синдром был подтвержден генетическим анализом крови. Гипопаратиреоз, сахарный диабет, гипотиреоз в дебюте MELAS-синдрома были легко компенсированы на заместительной терапии.</p></abstract><trans-abstract xml:lang="en"><p>MELAS syndrome belongs to the group of progressive mitochondrial diseases associated with point mutations in mitochondrial DNA, and includes mitochondrial encephalomyopathy, lactic acidosis, stroke-like episodes, which can combined with endocrine disorders (thyroid, parathyroid and pancreas). The frequency of hypoparathyroidism in the framework of the syndrome is less than 0.5%.</p><p>Verification of the MELAS syndrome is associated with certain difficulties due to low incidence of the disease and variety of clinical manifestations and requires continuity in the work of doctors of various specialties: neurologists, endocrinologists and audiologists. Confirmation of the diagnosis is carried out by molecular genetic test of mitochondrial DNA in lymphocytes, in some cases muscle tissue biopsy analysis.</p><p>In the article, we present a rare diagnosis case young patient with MELAS syndrome based on the presence of unclear hypoparathyroidism in combination with neurological symptoms, diabetes mellitus, lactic acidosis and hearing loss. MELAS syndrome was confirmed by a genetic blood test. In the debut of hypoparathyroidism, diabetes mellitus, hypothyroidism of the MELAS syndrome were easily compensated on replacement therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гипопаратиреоз</kwd><kwd>гипокальциемия</kwd><kwd>MELAS-синдром</kwd><kwd>митохондриальное заболевание</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Hypoparathyroidism</kwd><kwd>hypocalcaemia</kwd><kwd>MELAS syndrome</kwd><kwd>mitochondrial disorder</kwd><kwd>clinical case</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">Гребенникова Т.А., Белая Ж.Е. Гипопаратиреоз: современное представление о заболевании и новые методы лечения. // Эндокринная хирургия. – 2017. –T.11. – №2 – С.70-80. [Grebennikova TA, Belaya ZhE, Melnichenko GA. Hypoparathyroidism: disease update and new methods of treatment. Endocrine Surgery. 2017;11(2):70-80. 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