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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">sibmed</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский научный медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Сибирский научный медицинский журнал</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-2512</issn><issn pub-type="epub">2410-2520</issn><publisher><publisher-name>ИЦиГ СО РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/SSMJ20250418</article-id><article-id custom-type="elpub" pub-id-type="custom">sibmed-2351</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>КЛИНИЧЕСКАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL MEDICINE</subject></subj-group></article-categories><title-group><article-title>Частота и спектр инсерций в 12-м экзоне гена NPM1 у пациентов с de novo острым миелоидным лейкозом, проживающих в крупном cибирском мегаполисе</article-title><trans-title-group xml:lang="en"><trans-title>Frequency and spectrum of insertions in the NPM1 gene exon 12 in patients with de novo acute myeloid leukemia living in a large Siberian metropolis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7542-7285</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воропаева</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Voropaeva</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воропаева Елена Николаевна, д.м.н.</p><p>630091, г. Новосибирск, Красный пр., 52,</p><p>630089, г. Новосибирск, ул. Бориса Богаткова, 175/1</p></bio><bio xml:lang="en"><p>Elena N. Voropaeva, doctor of medical sciences</p><p>630091, Novosibirsk, Krasny ave., 52,</p><p> 630089, Novosibirsk, Borisa Bogatkova st., 175/1</p></bio><email xlink:type="simple">vena/81@mail.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>Бурундукова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Burundukova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бурундукова Марина Викторовна</p><p>630051, г. Новосибирск, ул. Ползунова, 21</p></bio><bio xml:lang="en"><p>Marina V. Burundukova</p><p>630051, Novosibirsk, Polzunova st., 21</p></bio><email xlink:type="simple">mo_8@rambler.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>Кузнецова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Ирина Андреевна</p><p>630089, г. Новосибирск, ул. Бориса Богаткова, 175/1</p></bio><bio xml:lang="en"><p>Irina A. Kuznetsova</p><p> 630089, Novosibirsk, Borisa Bogatkova st., 175/1</p></bio><email xlink:type="simple">anda4@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/0000-0003-3157-9775</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нечунаева</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nechunaeva</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нечунаева Ирина Николаевна, к.м.н.</p><p>630051, г. Новосибирск, ул. Ползунова, 21</p></bio><bio xml:lang="en"><p>Irina N. Nechunaeva, candidate of medical sciences</p><p>630051, Novosibirsk, Polzunova st., 21</p></bio><email xlink:type="simple">nechir@mail.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/0000-0003-1336-2580</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воронцова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorontsova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воронцова Екатерина Валерьевна</p><p>630087, г. Новосибирск, ул. Немировича-Данченко, 130</p></bio><bio xml:lang="en"><p>Ekaterina V. Vorontsova</p><p>630087, Novosibirsk, Nemirovicha-Danchenko st., 130</p></bio><email xlink:type="simple">Voroncovaek@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7165-4496</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Максимов</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Maksimov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максимов Владимир Николаевич, д.м.н., проф.</p><p>630091, г. Новосибирск, Красный пр., 52,</p><p>630089, г. Новосибирск, ул. Бориса Богаткова, 175/1</p></bio><bio xml:lang="en"><p>Vladimir N. Maksimov, doctor of medical sciences, professor</p><p>630091, Novosibirsk, Krasny ave., 52,</p><p> 630089, Novosibirsk, Borisa Bogatkova st., 175/1</p></bio><email xlink:type="simple">medik11@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/0000-0002-1261-5470</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поспелова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Pospelova</surname><given-names>Т. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поспелова Татьяна Ивановна, д.м.н., проф.</p><p>630091, г. Новосибирск, Красный пр., 52</p></bio><bio xml:lang="en"><p>Tatyana I. Pospelova, doctor of medical sciences, professor</p><p>630091, Novosibirsk, Krasny ave., 52</p></bio><email xlink:type="simple">postatgem@mail.ru</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский государственный медицинский университет Минздрава России;&#13;
НИИ терапии и профилактической медицины – филиал ФИЦ Институт цитологии и генетики СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Medical University of Minzdrav of Russia;&#13;
Research Institute of Internal and Preventive Medicine – Branch of the Federal Research Center Institute of Cytology and Genetics of SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Городская клиническая больница № 2</institution><country>Россия</country></aff><aff xml:lang="en"><institution>City Clinical Hospital №2</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>НИИ терапии и профилактической медицины – филиал ФИЦ Институт цитологии и генетики СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Internal and Preventive Medicine – Branch of the Federal Research Center Institute of Cytology and Genetics of SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Государственная Новосибирская областная клиническая больница</institution><country>Россия</country></aff><aff xml:lang="en"><institution>State Novosibirsk Regional Clinical Hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Новосибирский государственный медицинский университет Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State Medical University of Minzdrav of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>05</day><month>09</month><year>2025</year></pub-date><volume>45</volume><issue>4</issue><fpage>171</fpage><lpage>180</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воропаева Е.Н., Бурундукова М.В., Кузнецова И.А., Нечунаева И.Н., Воронцова Е.В., Максимов В.Н., Поспелова Т.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Воропаева Е.Н., Бурундукова М.В., Кузнецова И.А., Нечунаева И.Н., Воронцова Е.В., Максимов В.Н., Поспелова Т.И.</copyright-holder><copyright-holder xml:lang="en">Voropaeva E.N., Burundukova M.V., Kuznetsova I.A., Nechunaeva I.N., Vorontsova E.V., Maksimov V.N., Pospelova Т.I.</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://sibmed.elpub.ru/jour/article/view/2351">https://sibmed.elpub.ru/jour/article/view/2351</self-uri><abstract><p>В ходе лейкозогенеза наблюдается последовательное накопление драйверных аберраций, приводящих к развитию острого миелоидного лейкоза (ОМЛ). Поскольку мутации в гене NPM1 при отсутствии сопутствующей мутации FLT3-ITD имеют положительную прогностическую ценность и могут служить самостоятельными мишенями для оценки минимальной остаточной болезни при данном заболевании, требуется их быстрая и точная идентификация у лиц с впервые выявленным ОМЛ. В настоящее время в литературе имеются результаты нескольких отечественных исследований мутационного спектра NPM1 на взрослой когорте пациентов, имеющих «узкую» географию. Цель данной работы – изучить частоту и спектр вставок в 12-м экзоне гена NPM1 в выборке пациентов с de novo острым миелоидным лейкозом, проживающих в крупном сибирском мегаполисе.</p><sec><title>Материал и методы</title><p>Материал и методы. Группу исследования составили 128 первичных больных ОМЛ г. Новосибирска. Для скрининга применялся метод ПЦР с фланкирующими праймерами, для установления последовательности и места вставки – прямое секвенирование по Сенгеру методом капиллярного электрофореза.</p><p>Результаты и их обсуждение. Частота мутаций в 12-м экзоне гена NPM1 в группе исследования составила 14,8 %, 84,4 % находок представлены вставками типа А, в одном случае (5,2 %) выявлена вставка типа В. Идентифицированы две новые ранее не описанные инсерции, c.863_864insTGCT и c.868_869insAAGC. Первая из них по своему функциональному эффекту аналогична изменениям, наблюдающимся при классических вставках типа А и В: приводит к удлинению кодируемого белка, сдвигу рамки считывания, утрате мотива сигнала ядрышковой локализации с формированием типичного мотива сигнала экспорта нуклеофосмина из ядра. Отличительной особенностью инсерции c.868_869insAAGC являлось частичное сохранение сигнала ядрышковой локализации благодаря присутствию триптофана в 288-м положении.</p></sec><sec><title>Заключение</title><p>Заключение. С применением разработанного набора праймеров можно проводить скрининг мутаций в 12-экзоне NPM1 у пациентов с ОМЛ в течение одного рабочего дня, а также их дальнейшую точную идентификацию методом прямого секвенирования в течение первого индукционного цикла лечения.</p></sec></abstract><trans-abstract xml:lang="en"><p>During leukemogenesis, there is a consistent accumulation of driver aberrations leading to the development of acute myeloid leukemia (AML). Since mutations in the NPM1 gene in the absence of a concomitant FLT3-ITD mutation have favorable prognostic value and can serve as independent targets for assessing minimal residual disorder in this disease, their rapid and accurate identification in patients with newly diagnosed AML is required. Currently, the literature contains the results of several domestic studies of the mutation spectrum of NPM1 in an adult cohort of patients with a “narrow” geography. The aim of the work was to study the frequency and spectrum of insertions in the 12th exon of the NPM1 gene in a sample of patients with de novo acute myeloid leukemia living in a large Siberian metropolis.</p><sec><title>Material and methods</title><p>Material and methods. The study group consisted of 128 primary patients with AML in Novosibirsk. The PCR method with flanking primers was used for screening, and direct Sanger sequencing by capillary electrophoresis was used to establish the sequence and insertion site.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The frequency of mutations in the 12th exon of the NPM1 gene in the study group was 14.8 %, 84.4 % of the findings were inserts of type A, in one case (5.2 %) an insert of type B. Two new insertions previously undescribed were identified, c.863_864insTGCT and c.868_869insAAGC. The first of them is similar in its functional effect to the changes observed with classical inserts of type A and B: it leads to an elongation of the encoded protein, a shift in the reading frame, and the loss of the nucleolar localization signal motif with the formation of a typical nucleophosmin export signal motif from the nucleus. A distinctive feature of c.868_869insAAGC insertion was the partial preservation of the nucleolar localization signal due to the presence of tryptophan in the 288th position.</p></sec><sec><title>Conclusions</title><p>Conclusions. Using the developed set of primers, it is possible to screen mutations in NPM1 exon 12 in patients with AML within one working day, as well as their further accurate identification by direct sequencing during the first induction treatment cycle.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>острый миелобластный лейкоз</kwd><kwd>ген NPM1</kwd><kwd>мутации</kwd><kwd>ПЦР</kwd><kwd>секвенирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acute myeloblastic leukemia</kwd><kwd>NPM1 gene</kwd><kwd>mutations</kwd><kwd>PCR</kwd><kwd>sequencing</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена за счет средств Государственного задания № 1024022700390-63.2.6;3.2.21, по бюджетной теме № FWNR-2024-0004</funding-statement><funding-statement xml:lang="en">The work was carried out at the expense of the State Budget Task No 1024022700390-6-3.2.6;3.2.21, No FWNR-2024-0004</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Vardiman J. 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