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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2022.09.65-68</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2152</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>КРАТКОЕ СООБЩЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF REPORT</subject></subj-group></article-categories><title-group><article-title>Верификация генотипа при муковисцидозекак важный этап при подготовке к таргетной терапии заболевания препаратом Оркамби</article-title><trans-title-group xml:lang="en"><trans-title>Genotype verification of cystic fibrosis patients as a major step towards precision Orkambi therapy</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>Ковальская</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalskaia</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">kovalskaya@med-gen.ru</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>Адян</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Adyan</surname><given-names>T. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кондратьева</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondratyeva</surname><given-names>E. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Поляков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Polyakov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр имени академика Н.П. Бочкова»; ФГАОУ ВО Российский национальный исследовательский медицинский университет имени Н.И. Пирогова МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics; Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>08</day><month>12</month><year>2022</year></pub-date><volume>21</volume><issue>9</issue><fpage>65</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ковальская В.А., Адян Т.А., Кондратьева Е.И., Поляков А.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Ковальская В.А., Адян Т.А., Кондратьева Е.И., Поляков А.В.</copyright-holder><copyright-holder xml:lang="en">Kovalskaia V.A., Adyan T.A., Kondratyeva E.I., Polyakov A.V.</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.medgen-journal.ru/jour/article/view/2152">https://www.medgen-journal.ru/jour/article/view/2152</self-uri><abstract><p>Муковисцидоз является одним из самых распространенных наследственных заболеваний не только в России, но и в мире, значительно снижающих продолжительность и качество жизни при отсутствии эффективного лечения. В эпоху таргетной терапии муковисцидоза подбор эффективного препарата базируется на установлении точного генотипа пациента. Однако далеко не всегда диагностический поиск должен завершаться при детекции двух патогенных вариантов в гене CFTR. В последнее время появляется все больше данных о, так называемых, комплексных аллелях, - присутствии двух и более вариантов нуклеотидной последовательности в цис-положении, которые могут критическим образом влиять на терапевтический ответ. Целью проведенного исследования было определение частоты комплексного аллеля p.[L467F;F508del], влияющего на эффективность терапии лумакафтором/ивакафтором (Оркамби) у российских больных муковисцидозом - гомозигот по мутации F508del.</p></abstract><trans-abstract xml:lang="en"><p>Cystic fibrosis is one of the most common genetic diseases not only in Russia but in the world, it dramatically reduces lifespan and quality of life in the absence of effective treatment. In a time of cystic fibrosis precision therapy, the effective treatment is based on the exact genotype determination. However, the diagnostic search should not always be finished when two pathogenic variants in CFTR gene are detected. In recent years there has been an explosive growth of research studies dedicated to, so-called, complex alleles, - the presence of two or more variants in the cis-position, which may affect in a dramatic way a therapeutic response. The study was aimed to determine the frequency of a complex allele p.[L467F;F508del], that affects the response to lumacaftor/ivacaftor (Orkambi) in cystic fibrosis Russian patients, being homozygous for F508del .</p></trans-abstract><kwd-group xml:lang="ru"><kwd>муковисцидоз</kwd><kwd>CFTR</kwd><kwd>комплексный аллель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cystic fibrosis</kwd><kwd>CFTR</kwd><kwd>complex allele</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">Kerem B., Rommens J.M., Buchanan J.A. et al., Identification of the cystic fibrosis gene: genetic analysis. Science. 1989 Sep 8;245(4922):1073-80. doi: 10.1126/science.2570460.</mixed-citation><mixed-citation xml:lang="en">Kerem B., Rommens J.M., Buchanan J.A. et al., Identification of the cystic fibrosis gene: genetic analysis. 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