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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">perinatology</journal-id><journal-title-group><journal-title xml:lang="ru">Российский вестник перинатологии и педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1027-4065</issn><issn pub-type="epub">2500-2228</issn><publisher><publisher-name>Ltd. “The National Academy of Pediatric Science and Innovation”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21508/1027-4065-2019-64-5-220-225</article-id><article-id custom-type="elpub" pub-id-type="custom">perinatology-996</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>КЛИНИЧЕСКИЕ СЛУЧАИ</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>Врожденное нарушение гликозилирования PMM2-CDG</article-title><trans-title-group xml:lang="en"><trans-title>Congenital disorder of glycosilation PMM2-CDG</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2957-680X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Камалова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamalova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., проф. кафедры госпитальной педиатрии,</p><p>420012 Казань, ул. Бутлерова, д. 49</p><p> </p></bio><bio xml:lang="en"><p>Kazan</p></bio><email xlink:type="simple">aelitakamalova@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/0000-0001-9975-3632</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шакирова</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakirova</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>зав. педиатрическим отделением №5,</p><p>420011 Казань, ул. Оренбургский тракт, д. 140</p></bio><bio xml:lang="en"><p>Tatarstan</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>Шайдуллина</surname><given-names>М. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaydullina</surname><given-names>M. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., доц. кафедры эндокринологии; врач эндокринологического отделения,</p><p>420012 Казань, ул. Бутлерова, д. 49</p><p>420011 Казань, ул. Оренбургский тракт, д. 140</p></bio><bio xml:lang="en"><p>Kazan</p><p>Tatarstan</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>Чеминава</surname><given-names>Л. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Cheminava</surname><given-names>L. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач педиатрического отделения №5,</p><p>420011 Казань, ул. Оренбургский тракт, д. 140</p></bio><bio xml:lang="en"><p>Tatarstan</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>Ганиева</surname><given-names>Л. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Ganieva</surname><given-names>L. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач анестезиолог-реаниматолог отделения анестезиологии и реанимации,</p><p>420011 Казань, ул. Оренбургский тракт, д. 140</p></bio><bio xml:lang="en"><p>Tatarstan</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>Бадретдинова</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Badretdinova</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка VI курса педиатрического факультета,</p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</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>Саетов</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Saetov</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент VI курса педиатрического факультета,</p><p>420012 Казань, ул. Бутлерова, д. 49</p></bio><bio xml:lang="en"><p>Kazan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГАУЗ «Детская республиканская клиническая больница Министерства здравоохранения Республики Татарстан»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Children’s Republican Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский государственный медицинский университет» Минздрава России; ГАУЗ «Детская республиканская клиническая больница Министерства здравоохранения Республики Татарстан»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Medical University; Children’s Republican Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>15</day><month>11</month><year>2019</year></pub-date><volume>64</volume><issue>5</issue><fpage>220</fpage><lpage>225</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ltd. “The National Academy of Pediatric Science and Innovation”, 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><copyright-holder xml:lang="en">Ltd. “The National Academy of Pediatric Science and Innovation”</copyright-holder><license xlink:href="https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ped-perinatology.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ped-perinatology.ru/jour/article/view/996">https://www.ped-perinatology.ru/jour/article/view/996</self-uri><abstract><p>Врожденные нарушения гликозилирования представляют группу генетически обусловленных заболеваний, при которых нарушаются: синтез гликанов, их присоединение к гликопротеинам и гликолипидам, а также синтез гликозилфосфатидилинозитола. Дефекты N-гликозилирования белков являются наиболее распространенными, из них наиболее часто диагностируется синдром Жакена – врожденное нарушение гликозилирования PMM2-CDG (около 800 случаев в мире). Однако в русскоязычной литературе имеются лишь единичные описания клинических случаев. В статье представлено клиническое наблюдение за ребенком с этим типом врожденного нарушения гликозилирования, обусловленным дефектом фосфоманномутазы 2 (ген PMM2). Диагноз был поставлен на основании совокупности клинических, лабораторных и инструментальных данных: характерный фенотип, гиперинсулинизм, задержка физического и психомоторного развития, неврологические проявления, коагулопатия, поражение печени, экссудативная энтеропатия, наличие аномальных форм трансферрина, обнаружение ассоциированных с синдромом Жакена мутаций гена PMM2. Впервые описана положительная клиническая и лабораторная динамика при включении в терапию D-маннозы при данном типе врожденного нарушения гликозилирования.</p></abstract><trans-abstract xml:lang="en"><p>Congenital glycosylation disorders represent a group of genetically determined diseases which violate the synthesis and addition of glycans to glycoproteins and glycolipids, and also the synthesis of glycosylphosphatidyl inositol. The most common defects are the defects of protein N-glycosylation. Jaken syndrome, a congenital disorder of PMM2-CDG glycosylation, is the most commonly diagnosed type (about 800 cases worldwide). However, there are only a few descriptions of clinical cases in the Russian literature. The article presents a clinical observation of a child with this type of congenital glycosylation disorder due to a defect in phosphomannomtase 2 (PMM2 gene). The diagnose was based on the combination of clinical, laboratory and instrumental data: a characteristic phenotype, hyperinsulinism, delayed physical and psychomotor development, neurological manifestations, coagulopathy, liver damage, exudative enteropathy, abnormal forms of transferrin, PMM2 gene mutations associated with Jaken’s syndrome. For the first time the authors described positive clinical and laboratory dynamics due to the inclusion of D-mannose to the therapy for this type of congenital glycosylation disorder.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>врожденные нарушения гликозилирования</kwd><kwd>синдром Жакена</kwd><kwd>PMM2-CDG</kwd><kwd>фосфоманномутаза 2</kwd><kwd>ген PMM2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>children</kwd><kwd>congenital glycosylation disorders</kwd><kwd>Jaken syndrome</kwd><kwd>PMM2-CDG</kwd><kwd>phosphomannomatase 2</kwd><kwd>PMM2 gene</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">Peanne R., de Lonlay P., Foulquier F., Kornak U., Lefeber D.J., Morava E. et al. Congenital disorders of glycosylation (CDG): Quo vadis? Eur J Med Genet 2017. 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