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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">1140</article-id><article-id pub-id-type="doi">10.17650/1726-9784-2019-18-1-42-49</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">The overexpression of IGF-1 is a poor prognostic factor in multiple myeloma</article-title><trans-title-group xml:lang="ru"><trans-title>Гиперэкспрессия IGF-1 – неблагоприятный прогностический фактор при множественной миеломе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shushanov</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Шушанов</surname><given-names>С. 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 ш., 24</p></bio><email>sainHershy@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kravtsova</surname><given-names>T. A.</given-names></name><name xml:lang="ru"><surname>Кравцова</surname><given-names>Т. 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 ш., 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vaiman</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Вайман</surname><given-names>А. 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 ш., 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Akentieva</surname><given-names>N. P.</given-names></name><name xml:lang="ru"><surname>Акентьева</surname><given-names>Н. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Prospect Akademika Semenova, Chernogolovka, Moscow region 142432</p></bio><bio xml:lang="ru"><p>142432 Московская обл., Черноголовка, пр-т Академика Семенова, 1</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chernykh</surname><given-names>Yu. B.</given-names></name><name xml:lang="ru"><surname>Черных</surname><given-names>Ю. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>61/2 Shchepkina St., Moscow 129110</p></bio><bio xml:lang="ru"><p>129110 Москва, ул. Щепкина, 61/2</p></bio><xref ref-type="aff" rid="aff3"/></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 the Russian Federation</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">Institute of Problems of Chemical Physics, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт проблем химической физики РАН»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">M.F. Vladimirsky Moscow Regional Research and Clinical Institute</institution></aff><aff><institution xml:lang="ru">ГБУЗ МО «Московский областной научно-исследовательский клинический институт им. М.Ф. Владимирского»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-04-19" publication-format="electronic"><day>19</day><month>04</month><year>2019</year></pub-date><volume>18</volume><issue>1</issue><issue-title xml:lang="ru"/><fpage>42</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2019-04-19"><day>19</day><month>04</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-04-19"><day>19</day><month>04</month><year>2019</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/1140">https://bioterapevt.abvpress.ru/jour/article/view/1140</self-uri><abstract xml:lang="en"><p>Introduction . Insulin-like growth factors (IGF) are one of the widely studied factors in oncology. For tumors with a high expression level of IGF typical postoperative relapse, they are invasive and give distant metastases. There are also data on the participation of IGF in the emergence of resistance to anticancer drugs. The mechanisms that determine the influence of insulin-like growth factors on the progression of a number of malignant neoplasms remain undisclosed and carrying out fundamental research in this direction is relevant. Objective: to study the role of IGF type 1 (IGF-1) in multiple myeloma (MM).Materials and methods . 26 samples of bone marrow aspirates received from 26 patients – 14 men and 12 women – were studied in the work. All patients were diagnosed with stage III ММ. The age of patients ranged from 52 to 72 years. From the obtained bone marrow aspirates, using centrifugation in the Ficoll gradient, a mononuclear fraction of bone marrow cells containing plasma cells was obtained. Then we carried out the procedure of extracting RNA and using polymerase chain reaction with reverse transcription, we studied the expression of mRNA of the genes of IGF-1 and MDR1/ABCB1.Results . The paper analyzes the overall survival (OS) of patients with MM depending on the expression of the gene IGF-1. It is shown that for patients with MM who have a high level of IGF-1 expression, a decrease in OS is characteristic and, conversely, with a weak expression of IGF-1 or in the absence of its expression, an increase in OS is observed. Studies of expression of IGF-1 gene and MDR1/ABCB1 gene responsible for the occurrence of multiple drug resistance showed that these genes are co-expressed in patients with MM. Conclusion . The obtained results indicate that the high level of IGF-1 gene expression may be a poor prognostic factor in ММ. IGF-1 may participate in regulation of the mechanisms of emergence of multiple drug resistance in patients with MM.</p></abstract><trans-abstract xml:lang="ru"><p>Введение . Инсулиноподобные факторы роста (IGF) являются одними из широко изучаемых факторов в онкологии. Для опухолей с высоким уровнем экспрессии IGF характерен послеоперационный рецидив, они являются инвазивными и дают отдаленные метастазы. Также имеются данные об участии IGF в возникновении резистентности к противоопухолевым препаратам. Механизмы, определяющие влияние IGF на прогрессию ряда злокачественных новообразований, остаются нераскрытыми, и проведение фундаментальных исследований в этом направлении является актуальным.Цель исследования – изучить роль IGF 1-го типа (IGF-1) при множественной миеломе (ММ) человека.Материалы и методы . Исследовано 26 образцов костномозговых аспиратов, полученных от 26 больных – 14 мужчин и 12 женщин. У всех пациентов была диагностирована ММ III стадии. Возраст пациентов составлял от 52 до 72 лет. Из образцов костномозговых аспиратов с помощью центрифугирования в градиенте Ficoll получали мононуклеарную фракцию клеток костного мозга, содержащую плазматические клетки. Далее проводили процедуру выделения РНК и с использованием полимеразной цепной реакции с обратной транскрипцией исследовали экспрессию мРНК генов IGF-1 и MDR1/ABCB1. Результаты . Проведен анализ общей выживаемости (ОВ) пациентов с ММ в зависимости от экспрессии гена IGF-1. Показано, что для пациентов с ММ, у которых наблюдается высокий уровень экспрессии IGF-1, характерно уменьшение показателя ОВ и, наоборот, при слабой экспрессии IGF-1 или при отсутствии его экспрессии наблюдается увеличение ОВ. Исследования экспрессии гена IGF-1 и гена MDR1/ABCB1, ответственного за возникновение множественной лекарственной устойчивости, показали, что у больных ММ эти гены коэкспрессируются.Выводы . Полученные результаты свидетельствуют о том, что высокий уровень экспрессии гена IGF-1 может являться неблагоприятным прогностическим фактором при ММ. IGF-1 может участвовать в регуляции механизмов возникновения множественной лекарственной устойчивости у больных ММ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>multiple myeloma</kwd><kwd>overall survival</kwd><kwd>IGF-1</kwd><kwd>MDR1/ABCB1</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>множественная миелома</kwd><kwd>общая выживаемость</kwd><kwd>IGF-1</kwd><kwd>MDR1/ABCB1</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. Вотякова О.М., Демина Е.А. Множественная миелома. В кн.: Клиническая онкогематология. Руководство для врачей. Под ред. М.А. Волковой. 2-е изд., перераб. и доп. М.: Медицина, 2007. С. 847–73. [Votyakova O.M., Demina E.A. Multiple myeloma. In: Clinical oncohematology. 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