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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">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl201460323-29</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-6905</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Клинико-гормональные особенности неклассической формы дефицита 21-гидроксилазы у детей первого года жизни, выявленного по результатам неонатального скрининга</article-title><trans-title-group xml:lang="en"><trans-title>Specific clinical and hormonal features of the non-classical form of 21-hydroxilase deficiency in the children during the first year of life detected from the results of neonatal screening</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>Ионова</surname><given-names>Т А</given-names></name><name name-style="western" xml:lang="en"><surname>Ionova</surname><given-names>T A</given-names></name></name-alternatives><email xlink:type="simple">doc.ionova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюльпаков</surname><given-names>А Н</given-names></name><name name-style="western" xml:lang="en"><surname>Tyulpakov</surname><given-names>A N</given-names></name></name-alternatives><email xlink:type="simple">editorial@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Эндокринологический научный центр» Минздрава России, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>15</day><month>06</month><year>2014</year></pub-date><volume>60</volume><issue>3</issue><issue-title>ТОМ 60, №3 (2014)</issue-title><fpage>23</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ионова Т.А., Тюльпаков А.Н., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Ионова Т.А., Тюльпаков А.Н.</copyright-holder><copyright-holder xml:lang="en">Ionova T.A., Tyulpakov A.N.</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.probl-endojournals.ru/jour/article/view/6905">https://www.probl-endojournals.ru/jour/article/view/6905</self-uri><abstract><p>До настоящего времени неклассическая форма дефицита 21-гидроксилазы (НК21ОН) достаточно изучена только у пациентов препубертатного и пубертатного периода, а также у женщин репродуктивного возраста. С внедрением неонатального скрининга на врожденную дисфункцию коры надпочечников (ВДКН) НК21ОН все чаще стала выявляться у детей первого года жизни. В отечественной литературе отсутствуют клинико-лабораторные критерии НК21ОН у детей младшей возрастной группы. На основании обследования 50 детей с повышенными уровнями 17-гидроксипрогестерона (17-ОНП) по результатам неонатального скрининга за период 2011-2013 гг. нами сформированы две группы пациентов: 1-я группа (n=20) - пациенты с верифицированной НК21ОН и 2-я (n=30) - "здоровые" дети с ложноположительным повышением 17-ОНП. Во всех случаях проводилось подробное клинико-гормональное обследование, а также молекулярно-генетический анализ. Основным критерием включения пациентов в 1-ю группу являлось наличие мутаций в гене CYP21A2. Мы нашли, что наиболее специфические и точные результаты у пациентов 1 года жизни дает определение 17-ОНП методом тандемной масс-спектрометрии (ТМС), в том числе в рамках мультистероидного анализа, проведение которого показано всем пациентам, у которых в ходе неонатального скрининга на ВДКН выявляются незначительно повышенные значения 17-ОНП. На основании анализа группы "здоровых" пациентов нами определен референсный интервал для 17-ОНП и разработаны критерии заболевания по уровню 17-ОНП, измеренного методом ТМС. На группе пациентов с верифицированной НК21ОН продемонстрировано отсутствие клинико-лабораторных признаков надпочечниковой недостаточности и/или гиперандрогении у пациентов 1 года жизни.</p></abstract><trans-abstract xml:lang="en"><p>The non-classical form of 21-hydroxilase deficiency (21-OHD) has up to now been fairly well studied only in the patients of prepubertal and pubertal age as well as in the women of reproductive age. The advent of neonatal screening for congenital adrenal hyperplasia (CAD) made it possible to more frequently detect 21-OHD in the children during the first year of life. The domestic literature proposes no clinical and laboratory criteria for 21-OHD in the young children. The results of neonatal screening of 50 children presenting with elevated 17-hydroxyprogesterone (17-OHP) levels carried out in the period from 2011 to 2013 were used to form two groups of patients, one comprised of 20 children with verified 21-OHD (group 1), the other containing 30 "healthy" children showing the false-positive elevation of 21-OHD levels. All the patients underwent the comprehensive clinical and hormonal examination supplemented by the molecular-genetic analysis. The main criterion for the inclusion of children in group 1 was the presence of mutations in the CYP21 gene It was shown that determination of 21-OHD by tandem mass-spectrometry (TMS) including that in the framework of multisteroid analysis yields the most specific and accurate data in the children below one year of age; such analysis is indicated to all patients in whom the neonatal screening for congenital adrenal hyperplasia reveals the slightly elevated 17-OHP levels. The analysis for the group of patients with verified 21-OHD has demonstrated the absence of clinical and laboratory signs of adrenal insufficiency and/or hyperandrogenism in the children aged below 1 year.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неклассическая форма дефицита 21-гидроксилазы (НК21ОН)</kwd><kwd>неонатальный скрининг</kwd><kwd>17-гидроксипрогестерон (17-ОНП)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>non-classical form of 21-hydroxilase deficiency (21-OHD)</kwd><kwd>neonatal screening</kwd><kwd>17-hydroxyprogesterone (17-OHP)</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">White PC, Speiser PW. Congenital Adrenal Hyperplasia due to 21-Hydroxylase Deficiency1. Endocr Rev. 2000;21(3):245-91. doi: 10.1210/edrv.21.3.0398</mixed-citation><mixed-citation xml:lang="en">White PC, Speiser PW. 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