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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">1113</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2018-17-1-53-57</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">DIsseminated tumor cells of luminal breast cancer patients .</article-title><trans-title-group xml:lang="ru"><trans-title>Диссеминированные опухолевые клетки у пациентов с люминальным раком молочной железы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ryabchikov</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Рябчиков</surname><given-names>Д. 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><p>Денис Анатольевич Рябчиков</p></bio><email>dr.denisr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Beznos</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Безнос</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"><name-alternatives><name xml:lang="en"><surname>Dudina</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Дудина</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Build. 2, 8 Trubetskaya St., Moscow 119991</p></bio><bio xml:lang="ru"><p>119991 Москва, ул. Трубецкая, 8, стр. 2</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vorotnikov</surname><given-names>I. K.</given-names></name><name xml:lang="ru"><surname>Воротников</surname><given-names>И. К.</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>Denchik</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Денчик</surname><given-names>Д. 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"><name-alternatives><name xml:lang="en"><surname>Chulkova</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Чулкова</surname><given-names>С. 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"><name-alternatives><name xml:lang="en"><surname>Talipov</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Талипов</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"><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 , Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «НМИЦ онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia (Sechenov University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-02-27" publication-format="electronic"><day>27</day><month>02</month><year>2018</year></pub-date><volume>17</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>53</fpage><lpage>57</lpage><history><date date-type="received" iso-8601-date="2018-11-27"><day>27</day><month>11</month><year>2018</year></date><date date-type="accepted" iso-8601-date="2018-11-27"><day>27</day><month>11</month><year>2018</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://bioterapevt.abvpress.ru/jour/article/view/1113">https://bioterapevt.abvpress.ru/jour/article/view/1113</self-uri><abstract xml:lang="en"><p>Introduction. There is ample evidence that disseminated tumor cells (DTC), which are found in the bone marrow (BM) of patients with breast cancer (BC), including early stages, are progenitors of subsequent distant metastasis. Therefore, BM-DTC represent an additional tool for understanding carcinogenesis and estimating prognosis. Nevertheless, the existing data are controversial. The purpose of the study – to determine the frequency of DTC detection in BM of patients with luminal BC and also its relationship with some clinical and immunophenotypic parameters. Materials and methods. BM bioptates of 65 luminal BC patients were analyzed for the presence of DTC by Attune Acoustic Focusing Cytometer. For the first time in Russia, the sensitivity of the DTC detection method in the BM to the level of 1 × 10–7 myelocaryocytes was increased. Results. In BM, DTC were detected in 40 % of patients, and this finding did not correlate with stage of BC and degree of malignancy. The level of CD8+ lymphocytes in patients with DTC in the BM was significantly lower and amounted to 39,2 % versus 48,1 % in patients without DTC (p = 0,011). The content of myelocaryocytes with DTC-positive status was 1,6 times lower than in the absence of DTC (р = 0,007). Other parameters of the myelogram did not differ significantly. Moreover, no significant correlations were found between the presence of DTC in BM and the breast tumor immunophenotype (HLA-I: p = 0,74; HLA-DR: p = 0,93; CD71: p = 0,46). Conclusion. The presence of BM-DTC is more interrelated with myelogram and subpopulation of BM lymphocytes than with the clinical characteristics of tumor.</p></abstract><trans-abstract xml:lang="ru"><p>Существуют многочисленные подтверждения того, что диссеминированные опухолевые клетки (ДОК) в костном мозге пациентов с первичным раком молочной железы (РМЖ), в том числе и на ранних стадиях, являются предшественниками последующих отдаленных метастазов. Поэтому ДОК могут служить дополнительным маркером для оценки прогноза и понимания канцерогенеза, но существующие данные противоречивы. Цель исследования – определить частоту выявления ДОК в костном мозге у пациентов с люминальным РМЖ, а также их связь с некоторыми клиническими и иммунофенотипическими параметрами. Материалы и методы. Биоптаты костного мозга 65 пациентов с первичным люминальным РМЖ изучены на предмет наличия ДОК посредством акустического фокусирующего цитометра Attune. Впервые в России была повышена чувствительность метода обнаружения ДОК в костном мозге до уровня 1 × 10–7 миелокариоцитов. Результаты. В костном мозге ДОК обнаружены у 40 % пациентов, вместе с тем полученный результат не коррелировал ни со стадией опухолевого процесса, ни со степенью злокачественности. Уровень CD8+-лимфоцитов у пациентов с ДОК в костном мозге был достоверно ниже и составил 39,2 % против 48,1 % у пациентов, не имеющих ДОК (р = 0,011). Содержание миелокариоцитов при ДОК-положительном статусе было в 1,6 раза ниже, чем при отсутствии ДОК (р = 0,007). Другие параметры миелограммы не имели статистически значимых различий. Более того, не было обнаружено существенных корреляций между наличием ДОК в костном мозге и иммунофенотипом опухоли молочной железы (HLA-I: p = 0,74; HLA-DR: p = 0,93; CD71: p = 0,46). Заключение. Наличие ДОК в костном мозге в большей степени связано с показателями миелограммы и субпопуляцией лимфоцитов костного мозга, чем с клиническими характеристиками опухоли.</p></trans-abstract><kwd-group xml:lang="en"><kwd>disseminated tumor cells</kwd><kwd>bone marrow</kwd><kwd>luminal breast cancer</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>диссеминированные опухолевые клетки</kwd><kwd>костный мозг</kwd><kwd>люминальный рак молочной железы</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. 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