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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">bmjour</journal-id><journal-title-group><journal-title xml:lang="ru">Байкальский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Baikal Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-0715</issn><publisher><publisher-name>Irkutsk State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.57256/2949-0715-2024-1-69-77</article-id><article-id custom-type="elpub" pub-id-type="custom">bmjour-202</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>Клиническое наблюдение</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>КЛИНИЧЕСКИЙ СЛУЧАЙ ВРОЖДЕННОГО ГИПОТИРЕОЗА</article-title><trans-title-group xml:lang="en"><trans-title>CLINICAL CASE OF CONGENITAL HYPOTHYROIDISM</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7525-2657</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ткачук</surname><given-names>Елена Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Tkachuk</surname><given-names>Elena A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., доцент, профессор кафедры патологической физиологии и клинической лабораторной диагностики ФГБОУ ВО ИГМУ Минздрава России; старший научный сотрудник, врач-генетик клиники ФГБНУ НЦ ПЗСРЧ; ведущий научный сотрудник ФГБНУ ВСИМЭИ </p></bio><email xlink:type="simple">zdorowie38@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/0000-0003-4258-1475</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барыкова</surname><given-names>Дарья Михайловна</given-names></name><name name-style="western" xml:lang="en"><surname>Barykova</surname><given-names>Daria M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-генетик </p></bio><email xlink:type="simple">barykova_dm@iokb.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/0000-0003-3115-6684</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ливадарова</surname><given-names>Юлия Сергеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Livadarova</surname><given-names>Yulia S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заведующая отделением патологии новорожденных и недоношенных детей, врач-неонатолог</p></bio><email xlink:type="simple">livadarova@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8570-8320</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михелсоне</surname><given-names>Юлия Викторовна</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhelsone</surname><given-names>Yulia V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-неонатолог </p></bio><email xlink:type="simple">yulya.mikhelsone.88@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8079-4319</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дорофеева</surname><given-names>Татьяна Юрьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Dorofeeva</surname><given-names>Tatyana Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-неонатолог </p></bio><email xlink:type="simple">tanyadorof@bk.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2406-5995</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Осипова</surname><given-names>Елена Геннадьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Osipova</surname><given-names>Elena G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-неонатолог </p></bio><email xlink:type="simple">greys.k@mail.ru</email><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-7033-9531</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефремова</surname><given-names>Виктория Викторовна</given-names></name><name name-style="western" xml:lang="en"><surname>Efremova</surname><given-names>Victoria V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка 6 курса педиатрического факультета</p></bio><email xlink:type="simple">werdreikmani@mail.ru</email><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-3658-3143</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Таничева</surname><given-names>Вероника Андреевна</given-names></name><name name-style="western" xml:lang="en"><surname>Tanicheva</surname><given-names>Veronika A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка 6 курса педиатрического факультета </p></bio><email xlink:type="simple">tanichevavnika@gmail.com</email><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Иркутский государственный медицинский университет» Минздрава России, Россия, 664003, г. Иркутск, ул. Красного Восстания, 1;&#13;
ФГБНУ «Научный центр проблем здоровья семьи и репродукции человека», Россия, 664003, г. Иркутск, ул. Тимирязева, 16;&#13;
ФГБНУ «Восточно-Сибирский институт медико-экологических исследований», Россия, 665826, г. Ангарск, микрорайон 12а, дом 3.<country>Россия</country></aff><aff xml:lang="en">Dr. Sci. (Med.), Associate Professor, Professor of the Department of Pathological Physiology and Clinical Laboratory Diagnostics, Irkutsk State Medical University, Russia, 664001, Irkutsk, st. Krasnogo Vosstaniya, 1; senior researcher at the «Scientific Center for Problems of Family Health and Human Reproduction», Russia, 664003, Irkutsk, st. Timiryazeva, 16; leading researcher at the «East Siberian Institute of Medical and Environmental Research», Russia, 665826, Angarsk, microdistrict 12a, building 3.<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">ГБУЗ «Иркутская ордена «Знак Почета» областная клиническая больница», Россия, 664049, г. Иркутск, мкр. Юбилейный, 100; ОГАУЗ «Городская Ивано-Матренинская детская клиническая больница», Россия, 664009, г. Иркутск, Советская, 57<country>Россия</country></aff><aff xml:lang="en">geneticist, «Irkutsk Order of the Badge of Honor Regional Clinical Hospital», Russia, 664049, Irkutsk, microdistrict. Yubileiny, 100; Geneticist «City Ivano-Matreninskaya Children's Clinical Hospital», Russia, 664009, Irkutsk, Sovetskaya, 57<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">ОГАУЗ «Городская Ивано-Матренинская детская клиническая больница», Россия, 664009, г. Иркутск, Советская, 57<country>Россия</country></aff><aff xml:lang="en">neonatologist, «City Ivano-Matreninskaya Children’s Clinical Hospital», Russia, 664009, Irkutsk, Sovetskaya, 57<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">ОГАУЗ «Городская Ивано-Матренинская детская клиническая больница», Россия, 664009, г. Иркутск, Советская, 57<country>Россия</country></aff><aff xml:lang="en">neonatologist of the «Ivano-Matreninskaya Children’s Clinical Hospital», Russia, 664009, Irkutsk, Sovetskaya, 57<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">ОГАУЗ «Городская Ивано-Матренинская детская клиническая больница», Россия, 664009, г. Иркутск, Советская, 57<country>Россия</country></aff><aff xml:lang="en">neonatologist, «Ivano-Matreninskaya Children’s Clinical Hospital”, Russia, 664009, Irkutsk, Sovetskaya, 57<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru">ФГБОУ ВО Иркутский государственный медицинский университет Минздрава России, Россия, 664003, г. Иркутск, ул. Красного Восстания, 1<country>Россия</country></aff><aff xml:lang="en">6th year student of the pediatric faculty, Irkutsk State Medical University, Russia, 664003, Irkutsk, st. Krasnogo Vosstaniya, 1<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2024</year></pub-date><volume>3</volume><issue>1</issue><fpage>69</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ткачук Е.А., Барыкова Д.М., Ливадарова Ю.С., Михелсоне Ю.В., Дорофеева Т.Ю., Осипова Е.Г., Ефремова В.В., Таничева В.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ткачук Е.А., Барыкова Д.М., Ливадарова Ю.С., Михелсоне Ю.В., Дорофеева Т.Ю., Осипова Е.Г., Ефремова В.В., Таничева В.А.</copyright-holder><copyright-holder xml:lang="en">Tkachuk E.A., Barykova D.M., Livadarova Y.S., Mikhelsone Y.V., Dorofeeva T.Y., Osipova E.G., Efremova V.V., Tanicheva V.A.</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.bmjour.ru/jour/article/view/202">https://www.bmjour.ru/jour/article/view/202</self-uri><abstract><p>В работе представлен клинический случай врожденного гипотиреоза. Ребенок (девочка) рожден от матери, которой был поставлен диагноз гипотиреоз. Ребенок из дихориальной диамниотической двойни. В период внутриутробного развития наблюдалась задержка роста второго плода. Ребенок родился путем Кесарева сечения, с низкой массой тела, состояние после рождения тяжелое за счет респираторного дистресс-синдрома и недоношенности. По результату неонатального скрининга уровень тиреотропного гормона составил 305,75 мкМЕ/мл, на ультразвуковом исследовании отмечена агенезия щитовидной железы. Поставлен диагноз гипотиреоз. Отмечен незначительный клапанный стеноз легочной артерии, аневризма межпредсердной перегородки с дефектом, незавершенная васкуляризация сетчатки обоих глаз, паховая грыжа. Наличие стигм дизэмбриогенеза (грыжа, аневризма межпредсердной перегородки, низко расположенные уши, макроглоссия, умеренный мраморный цианоз, плоская переносица, умеренная гипотония) указывает на наследственный характер нарушений.</p><p>Проведен теоретический анализ возможных генов-кандидатов развития гипотиреоза. Показано, что за врожденный гипотиреоз отвечают гены TSHR, NKX2-5, THRA, TSHB, TRHR,TBL1X, IRS4, PAX8, FOXE1, NKX2-1. Отмечено, что данные гены являются регуляторами развития и созревания щитовидной железы, либо кодируют рецепторы тиреоидных гормонов.</p><p>Заключение. Для лучшего понимания этиопатогенетических механизмов формирования врожденного гипотиреоза необходимо рассматривать возможность подтверждающей ДНК-диагностики.</p></abstract><trans-abstract xml:lang="en"><p>The article presents a clinical case of congenital hypothyroidism. A child (girl) was born from a mother who was diag-nosed with hypothyroidism. The child is from dichorionic diamniotic twins. During intrauterine development, growth retardation of the second fetus was observed. The child was born by Caesarean section, with low body weight; the condition after birth was severe due to respiratory distress syndrome and prematurity. According to the result of neonatal screening, the level of thyroid-stimulating hormone was 305.75 µIU/ml, and ultrasound examination revealed thyroid gland agenesis. A diagnosis of hypothyroidism was made. A slight valvular stenosis of the pulmonary artery, an aneurysm of the interatrial septum with a defect, an incomplete vascularization of the retina of both eyes, and an inguinal hernia were revealed. The presence of dysembryogenesis stigma (hernia, aneurysm of the interatrial septum, low ears, macroglossia, moderate marbled cyanosis, flat-bridged nose, moderate hypotension) indicates the hereditary nature of the disorders.A theoretical analysis of possible candidate genes for the development of hypothyroidism was carried out. It was shown that the TSHR, NKX2-5, THRA, TSHB, TRHR, TBL1X, IRS4, PAX8, FOXE1, NKX2-1 genes are responsible for congenital hypothyroidism. It is noted that these genes are the regulators of the development and maturation of the thyroid gland or encode thyroid hormone receptors.Conclusion. For better understanding the etiopathogenetic mechanisms of the formation of congenital hypothyroid-ism, it is necessary to consider the possibility of confirmatory DNA diagnostics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>врожденный гипотиреоз</kwd><kwd>щитовидная железа</kwd><kwd>агенезия щитовидной железы.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>congenital hypothyroidism</kwd><kwd>thyroid gland</kwd><kwd>thyroid agenesis</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">Бельмер С.В., Ильенко Л.И. 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