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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">325</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2019-13-4-93-103</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>BASIC RESEARCH</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ФУНДАМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ В ПРАКТИЧЕСКОЙ МЕДИЦИНЕ НА СОВРЕМЕННОМ ЭТАПЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Flow cytometric analysis of leukemic blast cells in pediatric B-cell precursor acute lymphoblastic leukemia with translocation t(12;21)(p13;q22)/ETV6-RUNX1</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности иммунофенотипа опухолевых клеток у детей с острым лимфобластным лейкозом и наличием транслокации t(12;21)(p13;q22)/ETV6-RUNX1</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1904-4989</contrib-id><name-alternatives><name xml:lang="en"><surname>Permikin</surname><given-names>Zh. V.</given-names></name><name xml:lang="ru"><surname>Пермикин</surname><given-names>Ж. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>3 Repina St., Ekaterinburg 620030, </italic></p><p><italic><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149</italic></italic></p><p><italic/></p></bio><bio xml:lang="ru"><p><italic>620028 Екатеринбург, ул. Репина, 3; <italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32</italic></italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0889-6986</contrib-id><name-alternatives><name xml:lang="en"><surname>Popov</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Попов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Samory Mashela St., Moscow 117997</italic></p></bio><bio xml:lang="ru"><p>Александр Михайлович Попов </p><p><italic>117997 Москва, ул. Саморы Машела, 1</italic></p></bio><email>uralcytometry@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9329-1828</contrib-id><name-alternatives><name xml:lang="en"><surname>Verzhbitskaya</surname><given-names>T. Yu.</given-names></name><name xml:lang="ru"><surname>Вержбицкая</surname><given-names>Т. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149, </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026</italic></p></bio><bio xml:lang="ru"><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; <italic>620026 Екатеринбург, ул. Карла Маркса, 22а</italic></italic></p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Riger</surname><given-names>Т. О.</given-names></name><name xml:lang="ru"><surname>Ригер</surname><given-names>Т. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149, </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026</italic></p></bio><bio xml:lang="ru"><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; <italic>620026 Екатеринбург, ул. Карла Маркса, 22а</italic></italic></p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Arakaev</surname><given-names>O. R.</given-names></name><name xml:lang="ru"><surname>Аракаев</surname><given-names>О. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149, </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026</italic></p></bio><bio xml:lang="ru"><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; <italic>620026 Екатеринбург, ул. Карла Маркса, 22а</italic></italic></p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vlasova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Власова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>32 Serafimy Deryabinoy St., Ekaterinburg 620149</p></bio><bio xml:lang="ru"><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2352-7716</contrib-id><name-alternatives><name xml:lang="en"><surname>Olshanskaya</surname><given-names>Yu. V.</given-names></name><name xml:lang="ru"><surname>Ольшанская</surname><given-names>Ю. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Samory Mashela St., Moscow 117997</italic></p></bio><bio xml:lang="ru"><p><italic>117997 Москва, ул. Саморы Машела, 1</italic></p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1085-4646</contrib-id><name-alternatives><name xml:lang="en"><surname>Kazakova</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Казакова</surname><given-names>А. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>1 Samory Mashela St., Moscow 117997</italic></p></bio><bio xml:lang="ru"><p><italic>117997 Москва, ул. Саморы Машела, 1</italic></p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0185-0050</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsvirenko</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Цвиренко</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>3 Repina St., Ekaterinburg 620030, </italic></p><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149</italic></p></bio><bio xml:lang="ru"><p><italic>620028 Екатеринбург, ул. Репина, 3; <italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32</italic></italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5180-6560</contrib-id><name-alternatives><name xml:lang="en"><surname>Saveliev</surname><given-names>L. I.</given-names></name><name xml:lang="ru"><surname>Савельев</surname><given-names>Л. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>3 Repina St., Ekaterinburg 620030, </italic></p><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149; </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026</italic></p></bio><bio xml:lang="ru"><p><italic>620028 Екатеринбург, ул. Репина, 3;</italic></p><p><italic><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; </italic></italic></p><p><italic><italic><italic>620026 Екатеринбург, ул. Карла Маркса, 22а</italic></italic></italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9881-6221</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsaur</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Цаур</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>3 Repina St., Ekaterinburg 620030, </italic></p><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149; </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026; </italic></p><p><italic><italic>106 Pervomayskaya St., Ekaterinburg 620049</italic></italic></p></bio><bio xml:lang="ru"><p><italic>620028 Екатеринбург, ул. Репина, 3;</italic></p><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; </italic></p><p><italic>620026 Екатеринбург, ул. Карла Маркса, 22а; </italic></p><p><italic><italic>620049 Екатеринбург, ул. Первомайская, 106</italic></italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1885-3912</contrib-id><name-alternatives><name xml:lang="en"><surname>Fechina</surname><given-names>L. G.</given-names></name><name xml:lang="ru"><surname>Фечина</surname><given-names>Л. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>32 Serafimy Deryabinoy St., Ekaterinburg 620149, </italic></p><p><italic>22a Karla Marksa St., Ekaterinburg 620026</italic></p></bio><bio xml:lang="ru"><p><italic>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; <italic>620026 Екатеринбург, ул. Карла Маркса, 22а</italic></italic></p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ural State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Уральский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Regional Children’s Hospital</institution></aff><aff><institution xml:lang="ru">ГАУЗ СО «Областная детская клиническая больница»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Dmitriy Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Research Institute of Medical Cell Technologies</institution></aff><aff><institution xml:lang="ru">ГАУЗ СО «Институт медицинских клеточных технологий»</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">Institute of Immunology and Physiology of the Ural Branch of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт иммунологии и физиологии Уральского отделения РАН»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-12-03" publication-format="electronic"><day>03</day><month>12</month><year>2018</year></pub-date><volume>13</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>93</fpage><lpage>103</lpage><history><date date-type="received" iso-8601-date="2019-01-02"><day>02</day><month>01</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-01-02"><day>02</day><month>01</month><year>2019</year></date></history><permissions><copyright-year>2018</copyright-year><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/325">https://oncohematology.abvpress.ru/ongm/article/view/325</self-uri><abstract xml:lang="en"><p><bold><italic>The objective </italic></bold><italic>of the study was searching for surface antigen expression that could predict presence of translocation t(12;21)(p13;q22)/ETV6RUNX1 in pediatric B-cell precursor acute lymphoblastic leukemia patients.<bold/></italic></p><p><bold><italic>Results . </italic></bold><italic>ETV6-RUNX1 fusion gene transcript was revealed in 118 (22.4 %) out of 526 children with B-cell precursor acute lymphoblastic leukemia. Leukemic blast cells in ETV6-RUNX1-positive patients more frequently had high CD10 expression, myeloid markers co-expression , including CD13, CD33, CD117, and absence of CD20 than in ETV6-RUNX1-negative ones. Nevertheless diagnostic test performance characteristics of each single parameter was not strong enough for predicting the presence of translocation t(12;21)(p13;q22)/ETV6-RUNX1.<bold/></italic></p><p><bold><italic>Conclusion . </italic></bold><italic>Thus application of conventional set of immunological markers does not allow reliable distinguishing this patients’ subgroup. However antibodies panel enlargement, high degree of flow cytometry standardization and additional analytical methods can potentially improve applicability of antigen profile analysis for separation of patients with translocation t(12;21)(p13;q22)/ETV6-RUNX1.</italic></p></abstract><trans-abstract xml:lang="ru"><p><bold><italic>Цель исследования </italic></bold><italic>– поиск иммунофенотипических маркеров для прогнозирования наличия транслокации t(12;21)(p13;q22)/ETV6-RUNX1. </italic></p><p><bold><italic>Результаты . </italic></bold><italic>Транслокация t(12;21)(p13;q22)/ETV6-RUNX1 была обнаружена у 118 (22,4 %) из 526 обследованных пациентов с острым лимфобластным лейкозом из В-линейных предшественников. Опухолевые бласты пациентов с транслокацией t(12;21) (p13;q22)/ETV6-RUNX1 достоверно чаще имели высокую экспрессию CD10, а также коэкспрессию миелоидных маркеров CD13, CD33 и CD117. Для них также было типично отсутствие экспрессии CD20. В то же время полученные нами результаты не позволили найти отдельный иммунофенотипический маркер, который с высокой долей достоверности мог бы предсказывать наличие t(12;21)(p13;q22)/ETV6-RUNX1.<bold/></italic></p><p><bold><italic>Заключение . </italic></bold><italic>Таким образом, применение стандартного перечня иммунологических маркеров не позволяет уверенно выделить данную группу пациентов. Однако расширение диагностической панели, высокий уровень стандартизации проточной цитометрии и дополнительные методы анализа цитометрических данных могут позволить достаточно точное выявление пациентов, относящихся к этой клинически значимой подгруппе.<bold/></italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>acute lymphoblastic leukemia</kwd><kwd>immunophenotype</kwd><kwd>translocation t(12</kwd><kwd>21)(p13</kwd><kwd>q22)</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>острый лимфобластный лейкоз</kwd><kwd>иммунофенотипирование</kwd><kwd>транслокация t(12</kwd><kwd>21)(p13</kwd><kwd>q22)</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Romana S.P., Le Coniat M., Berger R. t(12;21): a new recurrent translocation in acute lymphoblastic leukemia. Genes Chromosomes Cancer 1994;9(3):186–91. 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