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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">404</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2020-15-1-40-50</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF HEMOBLASTOSES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ГЕМОБЛАСТОЗОВ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Minimal residual disease in plasma cell (multiple) myeloma: flow cytometric approaches</article-title><trans-title-group xml:lang="ru"><trans-title>Минимальная остаточная болезнь при плазмоклеточной (множественной) миеломе: проточно-цитометрические подходы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9103-9688</contrib-id><name-alternatives><name xml:lang="en"><surname>Grivtsova</surname><given-names>L. Yu.</given-names></name><name xml:lang="ru"><surname>Гривцова</surname><given-names>Л. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4 Koroleva St., Obninsk 249031</p></bio><bio xml:lang="ru"><p>Людмила Юрьевна Гривцова </p><p>249031 Обнинск, ул. Королева, 4</p></bio><email>grivtsova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lunin</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Лунин</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>3 2nd Botkinskiy Proezd, Moscow 125284</p></bio><bio xml:lang="ru"><p>125284 Москва, 2-й Боткинский проезд, 3</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4951-3053</contrib-id><name-alternatives><name xml:lang="en"><surname>Semenova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Семенова</surname><given-names>А. 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="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4614-606X</contrib-id><name-alternatives><name xml:lang="en"><surname>Larionova</surname><given-names>V. B.</given-names></name><name xml:lang="ru"><surname>Ларионова</surname><given-names>В. Б.</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="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5771-4413</contrib-id><name-alternatives><name xml:lang="en"><surname>Tumyan</surname><given-names>G. S.</given-names></name><name xml:lang="ru"><surname>Тумян</surname><given-names>Г. С.</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="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A. F. Tsyb Medical Radiological Research Center – branch of the National Medical Research Radiological Center,  Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Медицинский радиологический научный центр им А. Ф. Цыба – филиал ФГБУ «Национальный медицинский  исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">P.A. Hertzen Moscow Oncology Research Institute – branch of the National Medical Research Radiological Center,  Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт им. П.А. Герцена – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, 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><pub-date date-type="pub" iso-8601-date="2020-04-19" publication-format="electronic"><day>19</day><month>04</month><year>2020</year></pub-date><volume>15</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>40</fpage><lpage>50</lpage><history><date date-type="received" iso-8601-date="2020-04-18"><day>18</day><month>04</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-04-18"><day>18</day><month>04</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://oncohematology.abvpress.ru/ongm/article/view/404">https://oncohematology.abvpress.ru/ongm/article/view/404</self-uri><abstract xml:lang="en"><p>The minimum residual disease (MRD) for hematopoietic and lymphoid systems tumors is an important component of patient examination during therapy. The MRD detection is performed to evaluate the effect of therapy and risk stratification during chemotherapy (acute leukemia) or at the end of it (peripheral B-cell lymphomas). The main laboratory methods for MRD assessing are molecular (polymerase chain reaction) and immunological (multi-parameter flow cytometry (FC)) methods. Immunological evaluation of MRD is the standard of clinical protocols for the treatment of childhood acute lymphoblastic leukemia during induction therapy. In the case of acute leukemia in adults, MRD assessment is usually performed at the end of the consolidation course. Clinically significant and practically standardized is the immunological assessment of MRD in B-cell chronic lymphocytic leukemia.</p><p>In multiple myeloma (in World Health Organization (2016) classification – plasma cell myeloma (PCM)), work is also underway to standardize protocols and unify approaches to MRD detection. With the introduction of new drugs and treatment regimens, as well as transplantation clinical outcome of patients significantly improved and MRD value is considered as a prognostic factor. To date, the use of the MRD value as a biomarker of treatment response in PCM has been approved by the US Food and Drug Administration.</p><p>With the accumulation of our knowledge regarding the MRD and to establish the clinical significance of the FC in PCM, International Multiple Myeloma Study Group (IMWG) in 2011 was added the following definition to the traditional criteria of PCM complete remission: “Immunophenotypic complete remission” – the immunophenotypically absence of aberrant clonal plasma cells in the bone marrow when analyzing at least 1 million myelocaryocytes using a multiparameter FC (4 or more parameters).</p><p>This article discusses the evolution of immunological approaches using a multi-parameter FC to detect MRD in patients with PCM in accordance with various existing protocols, features of the preanalytical stage and general rules for FC detection of MRD in PCM. </p></abstract><trans-abstract xml:lang="ru"><p>Минимальная остаточная болезнь (МОБ) при опухолях кроветворной и лимфоидной систем в настоящий момент – важная составляющая обследования больного в ходе проведения терапии. Исследование МОБ выполняется для оценки эффекта и рискстратификации в процессе химиотерапии (острые лейкозы) или по ее окончании (периферические В-клеточные лимфомы). Основными лабораторными методами оценки МОБ являются молекулярные (полимеразная цепная реакция) и иммунологические (многопараметровая проточная цитометрия (ПЦ)). Иммунологическая оценка МОБ – стандарт клинических протоколов при лечении острых лимфобластных лейкозов у детей на этапе индукционной терапии. В случае острых лейкозов у взрослых оценка МОБ проводится, как правило, по окончании курса консолидации. Клинически значимой и практически стандартизованной является иммунологическая оценка МОБ при В-клеточном хроническом лимфолейкозе.</p><p>В отношении множественной миеломы (в трактовке классификации Всемирной организации здравоохранения (2016) – плазмоклеточная миелома (ПКМ)) также ведется работа по стандартизации протоколов и унификации подходов к детекции клеток МОБ. Благодаря введению новых препаратов и схем лечения, а также опции трансплантации клинические результаты лечения больных ПКМ существенно улучшаются и показатель МОБ рассматривается в качестве фактора прогноза развития болезни. На настоящий момент использование показателя МОБ в качестве биомаркера ответа на лечение при ПКМ одобрено Управлением по санитарному надзору за качеством пищевых продуктов и медикаментов США.</p><p>По мере накопления наших знаний относительно МОБ и установления клинической значимости ПЦ при ПКМ Международной группой по изучению множественной миеломы (IMWG) еще в 2011 г. к традиционным критериям полной ремиссии ПКМ было добавлено следующее определение: «иммунофенотипическая полная ремиссия» – отсутствие иммунофенотипически аберрантных клональных плазматических клеток в костном мозге при анализе минимум 1 млн миелокариоцитов с использованием многопараметровой ПЦ (4 и более параметров).</p><p>В данной статье рассмотрена эволюция иммунологических подходов с использованием многопараметровой ПЦ к выявлению клеток МОБ у больных ПКМ в соответствии с различными существующими протоколами, особенности преаналитического этапа и общие правила ПЦ-детекции клеток МОБ при ПКМ. </p></trans-abstract><kwd-group xml:lang="en"><kwd>plasma cell tumor</kwd><kwd>myeloma</kwd><kwd>flow cytometry</kwd><kwd>aberration marker</kwd><kwd>minimum residual disease</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>плазмоклеточная опухоль</kwd><kwd>миелома</kwd><kwd>проточная цитометрия</kwd><kwd>маркер аберрантности</kwd><kwd>минимальная остаточная болезнь</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">Dworzak M.J., Froshl G., Printz D.T. et al. 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