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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">bloodjour</journal-id><journal-title-group><journal-title xml:lang="ru">Гематология и трансфузиология</journal-title><trans-title-group xml:lang="en"><trans-title>Russian journal of hematology and transfusiology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0234-5730</issn><issn pub-type="epub">2411-3042</issn><publisher><publisher-name>ООО Издательский дом «Практика»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18821/0234-5730-2016-61-4-196-200</article-id><article-id custom-type="elpub" pub-id-type="custom">bloodjour-34</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Использование метода пиросеквенирования для выявления и количественной оценки аллельной нагрузки мутаций в 12-м экзоне гена JAK2</article-title><trans-title-group xml:lang="en"><trans-title>Using of pyrosequencing method for the detection and quantitative determination of mutant JAK2 exon 12 allele burden</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7790-5033</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Cубботина</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Subbotina</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Субботина Татьяна Николаевна, кандидат биологических наук, доцент кафедры медицинской биологии ФГАОУ ВО Сибирский федеральный университет, старший научный сотрудник Красноярского филиала ФГБУ Гематологический научный центр Минздрава России</p><p>660036, г. Красноярск</p></bio><bio xml:lang="en"><p>Subbotina Tatiana N., BD, PhD, assistant professor of the Department of Medical Biology of the Siberian Federal University; senior researcher Krasnoyarsk branch of the Federal State budgetary Institution Hematology Research Center</p><p>Krasnoyask, 660036</p></bio><email xlink:type="simple">stn.25@mail.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/0000-0002-4477-8506</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дунаева</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dunaeva</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>111123, г. Москва</p></bio><bio xml:lang="en"><p>111123, Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8207-9215</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миронов</surname><given-names>К. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Mironov</surname><given-names>K. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>111123, г. Москва</p></bio><bio xml:lang="en"><p>111123, Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4918-4907</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дрибноходова</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Dribnokhodova</surname><given-names>O. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>111123, г. Москва</p></bio><bio xml:lang="en"><p>111123, Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3395-775X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харсекина</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Harsekina</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>660036, г. Красноярск</p></bio><bio xml:lang="en"><p>660036, Krasnoyask</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3780-3758</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiyliev</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>660022, г. Красноярск</p></bio><bio xml:lang="en"><p>660022, Krasnoyarsk</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9196-7246</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хоржевский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khorzhevskyi</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>660022, г. Красноярск</p></bio><bio xml:lang="en"><p>660022, Krasnoyarsk</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2311-2219</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ольховский</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Olkhovskiy</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>660036, г. Красноярск</p></bio><bio xml:lang="en"><p>660036, Krasnoyarsk</p></bio><xref ref-type="aff" rid="aff-6"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3668-6601</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шипулин</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shipulin</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>111123, г. Москва</p></bio><bio xml:lang="en"><p>111123, Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Красноярский филиал ФГБУ «Гематологический научный центр» Минздрава России; ФГАОУ ВО «Сибирский федеральный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk branch of the Federal State budgetary Institution «Hematology Research Center» Department of Health; Siberian Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФБУН «Центральный НИИ эпидемиологии» Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Budget Institute of Science «Central research institute for Epidemiology»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Красноярский филиал ФГБУ «Гематологический научный центр» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk branch of the Federal State budgetary Institution «Hematology Research Center» Department of Health</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>КГБУЗ Краевая клиническая больница</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk regional hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>КГБУЗ Красноярское краевое патолого-анатомическое бюро</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk State Regional Bureau of Pathology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Красноярский филиал ФГБУ «Гематологический научный центр» Минздрава России; ФГБУН «Красноярский научный центр» Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Krasnoyarsk branch of the Federal State budgetary Institution «Hematology Research Center» Department of Health; Krasnoyask Scientific Center of the Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>28</day><month>02</month><year>2019</year></pub-date><volume>61</volume><issue>4</issue><fpage>196</fpage><lpage>200</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Cубботина Т.Н., Дунаева Е.А., Миронов К.О., Дрибноходова О.П., Харсекина А.Е., Васильев Е.В., Хоржевский В.А., Ольховский И.А., Шипулин Г.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Cубботина Т.Н., Дунаева Е.А., Миронов К.О., Дрибноходова О.П., Харсекина А.Е., Васильев Е.В., Хоржевский В.А., Ольховский И.А., Шипулин Г.А.</copyright-holder><copyright-holder xml:lang="en">Subbotina T.N., Dunaeva E.A., Mironov K.O., Dribnokhodova O.P., Harsekina A.E., Vasiyliev E.V., Khorzhevskyi V.A., Olkhovskiy I.A., Shipulin G.A.</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.htjournal.ru/jour/article/view/34">https://www.htjournal.ru/jour/article/view/34</self-uri><abstract><p>Соматические мутации в кодонах 532–547 12-го экзона гена JAK2 высокоспецифичны для подтверждения диагноза истинной полицитемии. Цель настоящей работы – разработка методики для обнаружения и количественной оценки уровня аллельной нагрузки данных мутаций с использованием технологии пиросеквенирования. Определение нуклеотидной последовательности проводили на приборе PyroMark Q24. Для верификации наличия мутаций выполняли клонирование ДНК, выделенной из клинических образцов. Секвенирование клонов проводили с использованием реагентов и оборудования фирмы “Applied Biоsystems” (США). После подтверждения наличия мутации в клонах методом Сэнгера, образец, содержащий мутацию, повторно анализировали на приборе PyroMarkQ24 в количественном формате для определения уровня аллельной нагрузки. Среди 48 образцов ДНК от пациентов с высокой клинико-гематологической вероятностью диагноза истинной полицитемии и отсутствием мутации V617F в 14-м экзоне гена JAK2 был идентифицирован один образец, содержащий наиболее распространенную в области 12-го экзона данного гена соматическую мутацию N542-E543 del. Определение уровня аллельной нагрузки проводили трижды в динамике развития заболевания с августа 2013 г. по июнь 2015 г. Полученные результаты свидетельствуют о том, что в ходе развития заболевания аллельная нагрузка у пациента возрастает и за 23 мес наблюдения этот показатель вырос более чем в 2 раза, что свидетельствует о соответствующем увеличении количества клеток трансформированного клона. В то же время до настоящего момента у пациента наблюдается клинико-гематологическая компенсация заболевания на фоне проведения умеренных терапевтических воздействий – эксфузионной и дезагрегационной терапии. Предложенная методика позволяет детектировать мутации в анализируемом фрагменте, а также проводить количественный мониторинг аллельной нагрузки в динамике заболевания с целью контроля эффективности используемой терапии.</p></abstract><trans-abstract xml:lang="en"><p>Somatic mutations in codons 532--547 of JAK2 exon 12 are highly specific to confirm the diagnosis of polycythemia vera (PV). The aim of this study was to develop the pyrosequencing method for the detection and quantification of JAK2 exon 12 allele burden. The nucleotide sequencing of the JAK2 exon 12 fragment was carried out with the use of “PyroMark Q24”. To verify the presence of mutations, the DNA sequences extracted from the clinical samples were cloned and obtained clones were sequenced with the use of reagents and equipment of the “Applied Biosystems” (USA). A sample containing the mutation was analyzed again after confirming the presence of mutations in clones by Sanger sequencing with “PyroMark Q24” for the quantification of the JAK2 exon 12 allele burden. Among 48 of JAK2 V617F-negative PV patients, who had a high clinical and hematological probability of PV diagnosis, a N542-E543 del mutation of JAK2 in exon 12 has been detected in the 62-years old male patient. The detection and quantification of the JAK2 exon 12 allele burden by virtue of using a pyrosequencing method for this patient was carried out three times from August 2013 to June 2015. Our results show the JAK2 N542-E543 del allele burden to increase more than twice during 23 months of following up of the patient. These data suggest about increase of the number of the transformed clonal cells. The proposed method allows detecting and carrying out quantitative determination of the mutant JAK2 exon 12 allele burden for monitoring the efficacy of the therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мутации в 12-м экзоне гена JAK2</kwd><kwd>миелопролиферативные заболевания</kwd><kwd>истинная полицитемия</kwd><kwd>пиросеквенирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>exon 12 JAK2 mutations</kwd><kwd>myeloproliferative disease</kwd><kwd>polycythemia vera</kwd><kwd>pyrosequencing</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">Tefferi A., Vardiman J.W. Classification and diagnosis of myeloproliferative neoplasms: The 2008 WHO criteria and point-ofcare diagnostic algorithms. Leukemia. 2008; 22(1): 14–22.</mixed-citation><mixed-citation xml:lang="en">Tefferi A., Vardiman J.W. 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