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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">31611</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial article</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Передовая статья</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Multiple endocrine neoplasia type 1 variants and phenocopies</article-title><trans-title-group xml:lang="ru"><trans-title>Варианты и фенокопии синдрома множественных эндокринных неоплазий 1-го типа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mamedova</surname><given-names>E O</given-names></name><name xml:lang="ru"><surname>Мамедова</surname><given-names>Е О</given-names></name></name-alternatives><email>lilybet@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mokrysheva</surname><given-names>N G</given-names></name><name xml:lang="ru"><surname>Мокрышева</surname><given-names>Н Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Przhiialkovskaia</surname><given-names>E G</given-names></name><name xml:lang="ru"><surname>Пржиялковская</surname><given-names>Е Г</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pigarova</surname><given-names>E A</given-names></name><name xml:lang="ru"><surname>Пигарова</surname><given-names>Е А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rozhinskaia</surname><given-names>L Ia</given-names></name><name xml:lang="ru"><surname>Рожинская</surname><given-names>Л Я</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tiul'pakov</surname><given-names>A N</given-names></name><name xml:lang="ru"><surname>Тюльпаков</surname><given-names>А Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">ФГБУ "Эндокринологический научный центр" Минздрава России, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2014</year></pub-date><volume>86</volume><issue>10</issue><issue-title xml:lang="en">VOL 86, NO10 (2014)</issue-title><issue-title xml:lang="ru">ТОМ 86, №10 (2014)</issue-title><fpage>87</fpage><lpage>91</lpage><history><date date-type="received" iso-8601-date="2020-04-10"><day>10</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2014, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2014, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/31611">https://ter-arkhiv.ru/0040-3660/article/view/31611</self-uri><abstract xml:lang="en"><p>Multiple endocrine neoplasia type 1 (MEN1) is a rare autosomal dominant hereditary disease due to a mutation in the MEN1 tumor suppressor gene. The risk of the disease in first-degree relatives of MEN1 mutation carriers is 50%. MEN1 gene mutations are not identified in 10-30% of familiar MEN1 patients and in 60-80% of sporadic MEN1 cases, which can be explained by mutations in the noncoding regions of the MEN1 gene, large gene deletions or mutations in other yet unknown genes. Molecular genetic testing can exclude the diagnosis of MEN1 in patients who do not harbor the MEN1 mutation, thus revealing a MEN1 phenocopy. This obviates the need for annual screening for the early detection of other remaining components of the disease and its risk in progeny.</p></abstract><trans-abstract xml:lang="ru"><p>Аннотация. Синдром множественных эндокринных неоплазий 1-го типа (МЭН-1) является редким заболеванием с аутосомно-доминантным типом наследования и обусловлен мутацией в гене - супрессоре опухолевого роста MEN1. Риск развития заболевания у родственников первой линии родства носителя мутантного аллеля составляет 50%. В 10-30% семейных случаев МЭН-1 и 60-80% спорадических случаев синдрома мутации в гене MEN1 не выявляются, что может объясняться мутациями в некодирующих областях гена MEN1, крупными делециями гена или мутациями в других, еще не установленных, генах. Молекулярно-генетическое исследование может опровергнуть диагноз МЭН-1 в отсутствие мутации в гене MEN1 и таким образом подтвердить фенокопию синдрома МЭН-1 у пациента, что исключает необходимость проведения ежегодного скрининга для раннего выявления оставшихся компонентов синдрома и риск развития заболевания у потомков.</p></trans-abstract><kwd-group xml:lang="en"><kwd>multiple endocrine neoplasia type 1</kwd><kwd>MEN1</kwd><kwd>phenocopy</kwd><kwd>pituitary adenoma</kwd><kwd>primary hyperparathyroidism</kwd><kwd>MEN1</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>синдром множественных эндокринных неоплазий 1-го типа</kwd><kwd>фенокопия</kwd><kwd>аденомы гипофиза</kwd><kwd>первичный гиперпаратиреоз</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ростомян Л.Г., Рожинская Л.Я., Тюльпаков А.Н. Аденома гипофиза и синдром множественных эндокринных неоплазий 1-го типа. В кн: Клиническая эндокринология под ред. акад. 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