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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">Russian Journal of Biotherapy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Biotherapy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский биотерапевтический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9784</issn><issn publication-format="electronic">1726-9792</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">1232</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2020-19-4-45-53</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">RELATIONSHIP OF BLAST CELL IMMUNOPHENOTYPE WITH REMISSION IN ACUTE MYELOID LEUKEMIA IN CHILDREN</article-title><trans-title-group xml:lang="ru"><trans-title>ВЗАИМОСВЯЗЬ ИММУНОФЕНОТИПИЧЕСКИХ ОСОБЕННОСТЕЙ БЛАСТНЫХ КЛЕТОК С ДОСТИЖЕНИЕМ РЕМИССИИ ПРИ ОСТРОМ МИЕЛОИДНОМ ЛЕЙКОЗЕ У ДЕТЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9400-7347</contrib-id><name-alternatives><name xml:lang="en"><surname>Palladina</surname><given-names>A. D.</given-names></name><name xml:lang="ru"><surname>Палладина</surname><given-names>А. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>Александра Дмитриевна Палладина </p><p>115478 Москва, Каширское шоссе, 24</p></bio><email>palladinaa@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5318-8033</contrib-id><name-alternatives><name xml:lang="en"><surname>Popa</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Попа</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1а Ostrovitianov St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997 Москва, ул. Островитянова, 1а</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4349-3023</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikitaev</surname><given-names>V. G.</given-names></name><name xml:lang="ru"><surname>Никитаев</surname><given-names>В. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>31 Kashirskoe Shosse, Moscow 115409</p></bio><bio xml:lang="ru"><p>115409 Москва, Каширское шоссе, 31</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kondratchik</surname><given-names>K. L.</given-names></name><name xml:lang="ru"><surname>Кондратчик</surname><given-names>К. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1/9 4th Dobryninsky lane, Moscow 119049</p></bio><bio xml:lang="ru"><p>119049 Москва, 4-й Добрынинский пер., 1/9</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8509-0954</contrib-id><name-alternatives><name xml:lang="en"><surname>Kupryshina</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Купрышина</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8389-4737</contrib-id><name-alternatives><name xml:lang="en"><surname>Serebryakova</surname><given-names>I. N.</given-names></name><name xml:lang="ru"><surname>Серебрякова</surname><given-names>И. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shvedova</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Шведова</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9630-5591</contrib-id><name-alternatives><name xml:lang="en"><surname>Chernysheva</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Чернышева</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8350-4153</contrib-id><name-alternatives><name xml:lang="en"><surname>Shervashidze</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Шервашидзе</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3966-128X</contrib-id><name-alternatives><name xml:lang="en"><surname>Tupitsyn</surname><given-names>N. N.</given-names></name><name xml:lang="ru"><surname>Тупицын</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГAOУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова»&#13;
Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)</institution></aff><aff><institution xml:lang="ru">ФГAOУ ВО «Национальный исследовательский ядерный университет «МИФИ»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Moscow state budgetary healthcare institution “Morozov Children’s City Clinical Hospital of the Moscow City Healthcare&#13;
Department”</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Морозовская детская городская клиническая больница Департамента здравоохранения города Москвы»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-09" publication-format="electronic"><day>09</day><month>12</month><year>2020</year></pub-date><volume>19</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>45</fpage><lpage>53</lpage><history><date date-type="received" iso-8601-date="2020-12-08"><day>08</day><month>12</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-12-08"><day>08</day><month>12</month><year>2020</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://bioterapevt.abvpress.ru/jour/article/view/1232">https://bioterapevt.abvpress.ru/jour/article/view/1232</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Acute myeloid leukemia (AML) is a clonal disease of the blood system that occurs as a result of mutations in the genome of hematopoietic progenitor cells. As a result of mutations, the linear differentiation of hematopoietic cells is replaced by the proliferation of malignant myeloid progenitors. Currently, the risk group for AML in children is determined mainly by the presence of specific gene and chromosomal abnormalities and an increased level of peripheral blood leukocytes. The features of the immunophenotype of blast cells can also influence the course of the disease.</p><p><bold>The aim</bold> of the work is to assess the relationship between the immunophenotypic parameters of blast cells and the probability of achieving remission in children with AML.</p><p><bold>Materials and methods.</bold> The study included 109 patients aged 3 months to 17 years who received treatment according to the AML BFM 87, AML BFM 2004, NII DOG AML 2007 и NII DOG AML 2012 protocol in the period from 1991 to 2020.</p><p><bold>Results.</bold> The study showed the relationship between the probability of achieving remission and the presence of markers CD33, CD19 and CD14 on tumor cells. Expression of lymphoid antigen CD19 on blasts was associated with a higher rate of remission (73.0 % vs 95.5 %, p = 0.027). The absence of the linearly associated myeloid marker CD33 negatively correlated with the remission rate (61.1 % vs 87.7 %, p = 0.007). In the presence of monocyte antigen CD14 on blasts, the probability of achieving remission was low (95 % vs 50 %, p = 0.013).</p><p><bold>Conclusion.</bold> Characteristics of the immunophenotype of tumor cells in AML in children are associated with the probability of achieving remission.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Острый миелоидный лейкоз (ОМЛ) – клональное заболевание системы крови, которое возникает вследствие мутаций генетического аппарата гемопоэтических клеток-предшественников. В результате мутаций линейная дифференцировка клеток гемопоэза сменяется пролиферацией злокачественных миелоидных предшественников. В настоящее время группа риска при ОМЛ у детей определяется главным образом наличием специфических генных и хромосомных поломок и повышенным уровнем лейкоцитов периферической крови. Особенности иммунофенотипа бластных клеток могут также оказывать влияние на течение заболевания.</p><p><bold>Цель исследования</bold> – оценить взаимосвязь иммунофенотипических параметров бластных клеток с вероятностью достижения ремиссии при ОМЛ у детей.</p><p><bold>Материалы и методы.</bold> В исследование включены 109 пациентов в возрасте от 3 мес до 17 лет, которые получали лечение по протоколам AML BFM 87, AML BFM 2004, НИИ ДОГ ОМЛ 2007 и НИИ ДОГ ОМЛ 2012 в период с 1991 по 2020 г. </p><p><bold>Результаты.</bold> В ходе исследования была показана взаимосвязь между вероятностью достижения ремиссии и наличием на опухолевых клетках маркеров CD33, CD19 и CD14. Экспрессия на бластах лимфоидного антигена CD19 ассоциировалась с большей частотой достижения ремиссий (73,0 % vs 95,5 %, p = 0,027). Отсутствие линейно-ассоциированного миелоидного маркера CD33 негативно коррелировало с частотой ремиссий (61,1 % vs 87,7 %, p = 0,007). При наличии на бластах моноцитарного антигена CD14 вероятность достижения ремиссии была низкой (95 % vs 50 %, р = 0,013).</p><p><bold>Заключение.</bold> Особенности иммунофенотипа опухолевых клеток при ОМЛ у детей взаимосвязаны с вероятностью достижения ремиссии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Acute myeloid leukemia</kwd><kwd>CD33</kwd><kwd>CD19</kwd><kwd>CD14</kwd><kwd>remission</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>острый миелоидный лейкоз</kwd><kwd>CD33</kwd><kwd>CD19</kwd><kwd>CD14</kwd><kwd>ремиссия</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was carried out with the financial support of the RFBR grant № 18-29-09115.</funding-statement><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке гранта РФФИ № 18-29-09115.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Maschan A.A., Maschan M.A., Novichkova G.A. et al. 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