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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">265</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2017-12-4-34-40</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">HETEROGENEITY OF CHILDHOOD B-CELL ACUTE LYMPHOBLASTIC LEUKEMIA (EGIL SUBTYPE BIV)</article-title><trans-title-group xml:lang="ru"><trans-title>ГЕТЕРОГЕННОСТЬ В-КЛЕТОЧНОГО ОСТРОГО ЛИМФОБЛАСТНОГО ЛЕЙКОЗА (BIV-ИММУНОВАРИАНТ) У ДЕТЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Demina</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Дёмина</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Verzhbitskaya</surname><given-names>Т. 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>32 Serafimy Deryabinoy St., Ekaterinburg 620149; 22a Karla Marksa St., Ekaterinburg 620026</p></bio><bio xml:lang="ru"><p>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; 620026 Екатеринбург, ул. Карла Маркса, 22, корп. А</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kashpor</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Кашпор</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baidun</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Байдун</surname><given-names>Л. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>117 Leninskiy Prospect, Moscow, 119571</p></bio><bio xml:lang="ru"><p>119571 Москва, Ленинский просп., 117</p></bio><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koniuhova</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Конюхова</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Plyasunova</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Плясунова</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsaur</surname><given-names>G. А.</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>32 Serafimy Deryabinoy St., Ekaterinburg 620149; 22a Karla Marksa St., Ekaterinburg 620026</p></bio><bio xml:lang="ru"><p>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; 620026 Екатеринбург, ул. Карла Маркса, 22, корп. А</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rusanova</surname><given-names>E. B.</given-names></name><name xml:lang="ru"><surname>Русанова</surname><given-names>Е. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>6–8 L. Tolstogo St., Saint Petersburg 197022</p></bio><bio xml:lang="ru"><p>197022 Санкт-Петербург, ул. Л. Толстого, 6–8</p></bio><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gorchakova</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Горчакова</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>6–8 L. Tolstogo St., Saint Petersburg 197022</p></bio><bio xml:lang="ru"><p>197022 Санкт-Петербург, ул. Л. Толстого, 6–8</p></bio><xref ref-type="aff" rid="aff5"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zueva</surname><given-names>E. E.</given-names></name><name xml:lang="ru"><surname>Зуева</surname><given-names>Е. Е.</given-names></name></name-alternatives><address><country country="IL">Israel</country></address><bio xml:lang="en"><p>Faculty of Natural Sciences, Department of Molecular Biology ArU.</p><p>6–8 L. Tolstogo St., Saint Petersburg 197022; Ariel, 40700</p></bio><bio xml:lang="ru"><p>Кафедра молекулярной биологии факультета естественных наук Ар.У; 197022 Санкт-Петербург, ул. Л. Толстого, 6–8</p><p>40700 Ариэль</p></bio><xref ref-type="aff" rid="aff5"/><xref ref-type="aff" rid="aff6"/></contrib><contrib contrib-type="author"><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>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zerkalenkova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Зеркаленкова</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><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>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abugova</surname><given-names>Yu. G.</given-names></name><name xml:lang="ru"><surname>Абугова</surname><given-names>Ю. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><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>32 Serafimy Deryabinoy St., Ekaterinburg 620149; 22a Karla Marksa St., Ekaterinburg 620026</p></bio><bio xml:lang="ru"><p>620149 Екатеринбург, ул. Серафимы Дерябиной, 32; 620026 Екатеринбург, ул. Карла Маркса, 22, корп. А</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Miakova</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Мякова</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Samochatova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Самочатова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Maschan</surname><given-names>А. А.</given-names></name><name xml:lang="ru"><surname>Масчан</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popov</surname><given-names>А. 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>1 Samory Mashela St., Moscow 117997, GSP-7</p></bio><bio xml:lang="ru"><p>Александр Михайлович Попов.</p><p>117997 Москва, ГСП-7, ул. Саморы Машела, 1</p></bio><email>uralcytometry@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry 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="aff2"><aff><institution xml:lang="en">Sverdlovsk Regional Clinical Children’s Hospital No 1</institution></aff><aff><institution xml:lang="ru">ГБУЗ Свердловской области Областная детская клиническая больница № 1</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Research Institute of Medical Cell Technologies</institution></aff><aff><institution xml:lang="ru">ГАУЗ Свердловской области Центр специализированных видов медицинской помощи, Институт медицинских клеточных технологий</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Russian Children Clinical Hospital, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Российская детская клиническая больница» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff5"><aff><institution xml:lang="en">I.P. Pavlov First Saint Petersburg State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Первый Санкт-Петербургский государственный медицинский университет им. акад. И.П. Павлова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff6"><aff><institution xml:lang="en">Ariel University</institution></aff><aff><institution xml:lang="ru">Ариэльский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-08" publication-format="electronic"><day>08</day><month>12</month><year>2017</year></pub-date><volume>12</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>34</fpage><lpage>40</lpage><history><date date-type="received" iso-8601-date="2018-02-08"><day>08</day><month>02</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2018-02-08"><day>08</day><month>02</month><year>2018</year></date></history><permissions><copyright-year>2017</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/265">https://oncohematology.abvpress.ru/ongm/article/view/265</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Surface immunoglobulin expression is a main immunophenotypic criteria of mature subtype of B-lineage acute lymphoblastic leukemia. Although the majority of such cases represents Burkitt leukemia/lymphoma, it was shown for several times that membrane IgM could be detected in the absence of other mature lymphomas signs.</p><p><bold>The aim of the study</bold> was to evaluate heterogeneity of childhood acute lymphoblastic leukemia (ALL) with surface IgM expression and to assess correspondence of BIV EGIL ALL subtype with Burkitt lymphoma (BL) bone marrow dissemination.</p><p><bold>Materials and methods</bold>. Immunophenotypic, cytomorfologic and genetic data of 54 BIV-ALL cases were analyzed.</p><p><bold>Results</bold>. Among the studied patients 39 had BL, while others belonged to B-cell precursor ALL (BCP-ALL). All BL patients and none of BCP-ALL patients carried C-MYC rearrangement while in BCP-ALL group in 8 cases and in any BL cases KMT2A rearrangements were found. None of BCP-ALL children had L3 morphology according to FAB classification.</p><p><bold>Conclusions. </bold>B-lineage ALL with surface IgM expression is rather heterogeneous group of cases including typical BL and rare cases of BCP-ALL even with KMT2A-rearrangements. Combination of all available diagnostic technologies will allow precise split of these two different disease and select the appropriate treatment scheme.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> При иммунофенотипировании признаком наиболее зрелой формы В-линейного острого лимфобластного лейкоза (BIV-ОЛЛ) является поверхностная экспрессия молекулы иммуноглобулина. Она обнаруживается преимущественно при лимфоме Беркитта (ЛБ), и врачи в этом случае обычно начинают лечение по протоколам, разработанным для терапии зрелоклеточных лимфом. Однако результаты многочисленных клинических наблюдений показывают, что в редких случаях поверхностная экспрессия легких цепей иммуноглобулинов или иммуноглобулина M выявляется на клетках, не имеющих дополнительных признаков зрелой лимфомы.</p><p><bold>Цель исследования</bold> – оценить гетерогенность острых лимфобластных лейкозов (ОЛЛ) с поверхностной экспрессией легких и тяжелых цепей иммуноглобулинов и степень ассоциации BIV-иммунофенотипа бластных клеток с ЛБ и другими лимфомами у детей.</p><p><bold>Материалы и методы</bold>. Проанализированы результаты иммунофенотипирования, цитогенетического и морфологического анализа клеток 54 пациентов, у которых был выявлен зрелый В-клеточный иммунофенотип.</p><p><bold>Результаты.</bold> Клинико-морфологический диагноз ЛБ был поставлен 39 из 54 пациентов, в то время как остальные 15 пациентов по совокупности признаков были отнесены к группе с ОЛЛ из В-линейных предшественников (ВП-ОЛЛ). Все пациенты, у которых была диагностирована ЛБ, имели 1 из вариантов перестройки гена C-MYC: t(8;14)(q24;q32), t(8;22)(q24;q11) или t(2;8)(p22;q23). В группе ВП-ОЛЛ эти перестройки не выявлены, однако у 8 пациентов имелись перестройки гена KMT2A, которые, в свою очередь, не определены ни в одном случае при ЛБ. У остальных пациентов группы ВП-ОЛЛ специфические перестройки не обнаружены. Пациенты с ВП-ОЛЛ не имели L3-морфологии бластов, характерной для ЛБ. Морфология L1/L2 также детектировалась у 2 пациентов с диагнозом ЛБ.</p><p><bold>Заключение.</bold> Группа пациентов с детектированным поверхностным IgM на бластных клетках достаточно гетерогенна и включает не только ЛБ, но и редкие случаи ВП-ОЛЛ, в том числе с перестройками в KMT2А. При проведении дифференциальной диагностики только сочетание цитоморфологических, иммунофенотипических и молекулярно-генетических признаков может дать возможность точно дифференцировать ЛБ от ВП-ОЛЛ и выбрать правильную тактику ведения пациента.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Burkitt lymphoma/leukemia</kwd><kwd>acute lymphoblastic leukemia</kwd><kwd>flow cytometry</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>лимфома/лейкоз Беркитта</kwd><kwd>острый лимфобластный лейкоз</kwd><kwd>BIV-иммунофенотип</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Bene M., Castoldi G., Knapp W. et al. Proposals for the immunological classification of acute leukemias. European Group for the Immunological Characterization of Leukemias (EGIL). Leukemia 1995;9(10):1783–6. 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