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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">10.25557/2073-7998.2018.11.53-55</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-605</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 CASE</subject></subj-group></article-categories><title-group><article-title>Редкий герминальный аллельный вариант с.2657 G&gt;A (p.Arg 886Gln) протоонкогена RET у пациентки с медуллярной карциномой щитовидной железы</article-title><trans-title-group xml:lang="en"><trans-title>A rare germline allelic variant с.2657 G&gt;A (p.Arg886Gln) in the RET protooncogene in a patient with medullary thyroid carcinoma</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>Амосенко</surname><given-names>Ф. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Amosenko</surname><given-names>F. A.</given-names></name></name-alternatives><email xlink:type="simple">amossenko@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>Ряднинская</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryadninskaya</surname><given-names>N. V.</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>Логинова</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginova</surname><given-names>A. N.</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>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-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр»; ФГБУ «Научный медицинский исследовательский центр онкологии им. Н.Н. Блохина»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics; N.N. Blokhin National Medical Research Center of Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБНУ «Медико-генетический научный центр»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Centre for Medical Genetics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>01</day><month>11</month><year>2018</year></pub-date><volume>17</volume><issue>11</issue><fpage>53</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Амосенко Ф.А., Ряднинская Н.В., Логинова А.Н., Поляков А.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Амосенко Ф.А., Ряднинская Н.В., Логинова А.Н., Поляков А.В.</copyright-holder><copyright-holder xml:lang="en">Amosenko F.A., Ryadninskaya N.V., Loginova A.N., 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/605">https://www.medgen-journal.ru/jour/article/view/605</self-uri><abstract><p>Пациентка 55 лет была прооперирована по поводу новообразования в щитовидной железе. При гистологическом исследовании операционного материала обнаружена медуллярная карцинома. Уровень кальцитонина до операции - 400 пг/мл при норме 2-6 пг/мл; после операции - 0,45 пг/мл. С целью исключить наследственную форму карциномы провели молекулярное исследование экзонов 5, 8, 10, 11, 13-16 протоонкогена RET методом прямого автоматического секвенирования по Сэнгеру. Геномную ДНК выделяли из лимфоцитов периферической крови. В экзоне 15 выявили редчайший миссенс-вариант с.2657 G&gt;A (p.R886Q) в гетерозиготном состоянии неизвестного патогенного значения. Родители пробанда были недоступны. Поиск этой замены в контрольной выборке (изучено 200 хромосом) проводили методом мультиплексной лигазной реакции. Миссенс-вариант p.R886Q в этой группе не обнаружен.</p></abstract><trans-abstract xml:lang="en"><p>We report a rare germline missense variant in the RET protooncogene found in a 55-year-old woman with medullary thyroid carcinoma (MTC). Calcitonin before surgery was 400 pg/ml (N = 2-6 pg/ml). Postoperative calcitonin was 0.45 pg/ml. Pheochromocytoma and hyperparathyroidism were excluded. Sanger sequencing of eight exons (5, 8, 10, 11, 13-16) (peripheral blood-derived genomic DNA) of the RET gene identified the heterozygous germline missense variant p.Arg886Gln (exon 15). But its clinical significance has not yet been determined. The proband`s parents were not available. In the control group we only found wild-type alleles.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>щитовидная железа</kwd><kwd>медуллярная карцинома</kwd><kwd>герминальный миссенс-вариант</kwd><kwd>протоонкоген RET</kwd><kwd>thyroid</kwd><kwd>medullary carcinoma</kwd><kwd>germline missense-variant</kwd><kwd>protooncogene RET</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">Roman SA, Lin R, Sosa JA Prognosis of medullary thyroid carcinoma: demographic, clinical and pathologic predictors of survival in 1252 cases. Cancer. 2006 107(9):2134-2142.</mixed-citation><mixed-citation xml:lang="en">Roman SA, Lin R, Sosa JA Prognosis of medullary thyroid carcinoma: demographic, clinical and pathologic predictors of survival in 1252 cases. 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