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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">diaendo</journal-id><journal-title-group><journal-title xml:lang="ru">Сахарный диабет</journal-title><trans-title-group xml:lang="en"><trans-title>Diabetes mellitus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-0351</issn><issn pub-type="epub">2072-0378</issn><publisher><publisher-name>Endocrinology research centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/DM9938</article-id><article-id custom-type="elpub" pub-id-type="custom">diaendo-9938</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</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>Синонимичная замена в гене GCK как причина гестационного сахарного диабета</article-title><trans-title-group xml:lang="en"><trans-title>A synonymous variant in GCK gene as a cause of gestational diabetes mellitus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6097-7831</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зубкова</surname><given-names>Наталья Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Zubkova</surname><given-names>Natalia A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., с.н.с.</p></bio><bio xml:lang="en"><p>MD, PhD, senior research associate</p></bio><email xlink:type="simple">zunata2006@yandex.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/0000-0002-9867-2344</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рубцов</surname><given-names>Петр Михайлович</given-names></name><name name-style="western" xml:lang="en"><surname>Rubtsov</surname><given-names>Petr M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.б.н., г.н.с.</p></bio><bio xml:lang="en"><p>PhD in Biology, leading research associate</p></bio><email xlink:type="simple">rubtsov@eimb.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/0000-0001-9943-0964</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурумкулова</surname><given-names>Фатима Фархадовна</given-names></name><name name-style="western" xml:lang="en"><surname>Burumkulova</surname><given-names>Fatima F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., в.н.с.</p></bio><bio xml:lang="en"><p>MD, PhD, leading research associate</p></bio><email xlink:type="simple">fatima-burumkulova@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/0000-0003-3535-520X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ибрагимова</surname><given-names>Людмила Ибрагимовна</given-names></name><name name-style="western" xml:lang="en"><surname>Ibragimova</surname><given-names>Liudmila I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., с.н.с.</p></bio><bio xml:lang="en"><p>MD, PhD, senior research associate</p></bio><email xlink:type="simple">ibragimovaliudmila@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/0000-0003-0412-7140</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макрецкая</surname><given-names>Нина Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Makretskaya</surname><given-names>Nina A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>н.с. отделения наследственных эндокринопатий</p></bio><bio xml:lang="en"><p>MD, research associate</p></bio><email xlink:type="simple">makretskayan@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/0000-0003-1107-362X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>Евгений Витальевич</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilyev</surname><given-names>Evgeny V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., с.н.с.</p></bio><bio xml:lang="en"><p>PhD in Biology, senior research associate</p></bio><email xlink:type="simple">vas-evg@yandex.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/0000-0002-0520-9132</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петров</surname><given-names>Василий Михайлович</given-names></name><name name-style="western" xml:lang="en"><surname>Petrov</surname><given-names>Vasily M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., с.н.с.</p></bio><bio xml:lang="en"><p>PhD in Chemistry, senior research associate</p></bio><email xlink:type="simple">petrov.vasiliy@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/0000-0001-8500-4841</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюльпаков</surname><given-names>Анатолий Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Tiulpakov</surname><given-names>Anatoly N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н.</p></bio><bio xml:lang="en"><p>MD, PhD</p></bio><email xlink:type="simple">ant@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр эндокринологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт молекулярной биологии им. В.А. Энгельгардта</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Engelhardt Institute of Molecular Biology Russian Academy of Sciences </institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский областной научно-исследовательский институт акушерства и гинекологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Regional Research Institute of Obstetrics and Gynecology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>23</day><month>06</month><year>2019</year></pub-date><volume>22</volume><issue>2</issue><fpage>165</fpage><lpage>169</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зубкова Н.А., Рубцов П.М., Бурумкулова Ф.Ф., Ибрагимова Л.И., Макрецкая Н.А., Васильев Е.В., Петров В.М., Тюльпаков А.Н., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Зубкова Н.А., Рубцов П.М., Бурумкулова Ф.Ф., Ибрагимова Л.И., Макрецкая Н.А., Васильев Е.В., Петров В.М., Тюльпаков А.Н.</copyright-holder><copyright-holder xml:lang="en">Zubkova N.A., Rubtsov P.M., Burumkulova F.F., Ibragimova L.I., Makretskaya N.A., Vasilyev E.V., Petrov V.M., Tiulpakov 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.dia-endojournals.ru/jour/article/view/9938">https://www.dia-endojournals.ru/jour/article/view/9938</self-uri><abstract><p>Диагностика случаев MODY в структуре гестационного сахарного диабета (СД) необычайно важна, так как это определяет тактику ведения пациентов во время беременности и в послеродовом периоде. В настоящей публикации нами представлен случай гестационного СД, обусловленного синонимичной заменой с.666C&gt;G р.V222V в гене GCK. Патогенность выявленного варианта, первоначально интерпретированного как «вероятно доброкачественный», была доказана в эксперименте in vitro. Замена с.666C&gt;G приводит к появлению нового донорного сайта сплайсинга и образованию измененной мРНК с делецией 16 пар нуклеотидов. Данный случай иллюстрирует сложности интерпретации результатов секвенирования, которая может потребовать дополнительного анализа клинической информации и проведения экспериментальных исследований.</p></abstract><trans-abstract xml:lang="en"><p>The diagnosis of MODY as a subtype of gestational diabetes mellitus (GDM) is important for an adequate management during pregnancy and the postnatal period. The present report describes a case of GDM caused by a synonymous с.666C&gt;G р.V222V substitution in the GCK gene. The variant, which was initially ranked as ‘likely benign’, was later proven to be pathogenic by in vitro studies. The с.666C&gt;G substitution led to the use of a new donor splice site and synthesis of the aberrant mRNA with deletion of 16 base pairs. The case illustrates that additional clinical and experimental data may be required for the correct interpretation of sequence variants pathogenicity.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>синонимичная замена</kwd><kwd>глюкокиназа</kwd><kwd>гестационный сахарный диабет</kwd><kwd>сплайсинг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>synonymous variant</kwd><kwd>glucokinase</kwd><kwd>gestation diabetes</kwd><kwd>splicing</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">Matschinsky FM. Regulation of pancreatic beta-cell glucokinase: from basics to therapeutics. 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