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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">Bone and soft tissue sarcomas, tumors of the skin</journal-id><journal-title-group><journal-title xml:lang="en">Bone and soft tissue sarcomas, tumors of the skin</journal-title><trans-title-group xml:lang="ru"><trans-title>Саркомы костей, мягких тканей и опухоли кожи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2219-4614</issn><issn publication-format="electronic">2782-3687</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">295</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>EXPERIMENTAL ONCOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНАЯ ОНКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">APPLICATION OF NKX2-2, STEAP1 AND CCND1 GENES EXPRESSION FOR BONE MARROW INVOLVEMENT DETECTION IN PATIENTS WITH EWING FAMILY TUMORS</article-title><trans-title-group xml:lang="ru"><trans-title>ОПРЕДЕЛЕНИЕ ЭКСПРЕССИИ ГЕНОВ NKX2-2, STEAP1 И CCND1 ДЛЯ ОЦЕНКИ ПОРАЖЕНИЯ КОСТНОГО МОЗГА У ПАЦИЕНТОВ С ОПУХОЛЯМИ СЕМЕЙСТВА САРКОМЫ ЮИНГА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Druy</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Друй</surname><given-names>А. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Dr-Drui@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsaur</surname><given-names>G. A.</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><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Popov</surname><given-names>A. 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><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Demina</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Демина</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Riger</surname><given-names>T. O.</given-names></name><name xml:lang="ru"><surname>Ригер</surname><given-names>Т. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tuponogov</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Тупоногов</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shorikov</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Шориков</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Saveliev</surname><given-names>L. I.</given-names></name><name xml:lang="ru"><surname>Савельев</surname><given-names>Л. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsvirenko</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Цвиренко</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></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><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Regional Children’s Hospital №1</institution></aff><aff><institution xml:lang="ru">ГБУЗ СО Областная детская клиническая больница № 1</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Ural State Medical Academy</institution></aff><aff><institution xml:lang="ru">ГОУ ВПО Уральская государственная медицинская академия</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Institute of Medical Cell Technologies</institution></aff><aff><institution xml:lang="ru">ГБУЗ СО Институт медицинских клеточных технологий</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-11-11" publication-format="electronic"><day>11</day><month>11</month><year>2012</year></pub-date><volume>4</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>41</fpage><lpage>48</lpage><history><date date-type="received" iso-8601-date="2022-01-11"><day>11</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2012, Druy A.E., Tsaur G.A., Popov A.M., Demina A.S., Riger T.O., Tuponogov S.N., Shorikov E.V., Saveliev L.I., Tsvirenko S.V., Fechina L.G.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2012, Друй А.Е., Цаур Г.А., Попов А.М., Демина А.С., Ригер Т.О., Тупоногов С.Н., Шориков Е.В., Савельев Л.И., Цвиренко С.В., Фечина Л.Г.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="en">Druy A.E., Tsaur G.A., Popov A.M., Demina A.S., Riger T.O., Tuponogov S.N., Shorikov E.V., Saveliev L.I., Tsvirenko S.V., Fechina L.G.</copyright-holder><copyright-holder xml:lang="ru">Друй А.Е., Цаур Г.А., Попов А.М., Демина А.С., Ригер Т.О., Тупоногов С.Н., Шориков Е.В., Савельев Л.И., Цвиренко С.В., Фечина Л.Г.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://sarbon.abvpress.ru/jour/article/view/295">https://sarbon.abvpress.ru/jour/article/view/295</self-uri><abstract xml:lang="en"><p>We estimated the applicability of NKX2-2, STEAP1 and CCND1 genes expression evaluation by real-time PCR for bone marrow (BM) involvement detection in Ewing family tumors (EFT) patients. Expression of molecular markers were analyzed in 59 BM samples from 6 EFT patients with EWS gene rearrangements, in 20 BM samples from 5 patients without detected rearrangements, in 8 BM samples from 8 patients without malignancies, in SK-N-MC cell line and in 9 samples of the peripheral blood stem cells. BM samples were considered true positive in case of EWS-FLI1 or EWS-ERG fusion gene transcript presence or tumor cells in BM smears. NKX2-2 expression was not revealed in normal BM while was present in positive BM samples and was not found in the majority of negative BM samples. Expression of NKX2-2 and CCND1 remained stable during EFT treatment, while STEAP1 expression was downmodulated. ROC-analysis revealed threshold levels of expression for each marker which were used for diagnostic values calculation. NKX2-2 demonstrated high positive and negative predictive values (0,889 и 0,976 respectively) for EFT marrow disease detection and monitoring. Overall correct prediction value achieved 0,949. STEAP1 and CCND1 assessment was not relevant for BM disease monitoring in EFT patients.</p></abstract><trans-abstract xml:lang="ru"><p>Исследована возможность применения определения экспрессии NKX2-2, STEAP1 и CCND1 методом полимеразной цепной реакции в режиме реального времени для оценки поражения костного мозга (КМ) у пациентов с опухолями семейства саркомы Юинга (сЮ). Экспрессия генов проанализирована в 59 образцах КМ от 6 больных СЮ/ примитивной нейроэктодермальной опухолью с перестройками гена EWS, 20 образцах КМ от 5 пациентов без перестроек EWS, 8 образцах КМ от 8 пациентов без злокачественных опухолей (контрольная группа), клеточной линии SK-N-MC и 9 образцах аутологичных периферических стволовых клеток пациентов. Образцы КМ расценивались как позитивные в случае выявления экспрессии химерных генов EWS-FLI1, EWS-ERG методом гнездной ПЦР или обнаружения опухолевых клеток в цитологических препаратах. При поведении исследования установлено, что экспрессия гена NKX2-2 не определяется в КМ пациентов без злокачественных опухолей, присутствует в 16 из 17 позитивных образцов КМ и отсутствует в 39 из 42 негативных образцов. Экспрессия анализируемых маркеров за исключением STEAP1 оставалась стабильной во время лечения. Проведенный анализ характеристических кривых (ROC-анализ) позволил установить пороговые уровни экспрессии каждого маркера, на основании которых были рассчитаны диагностические характеристики. NKX2-2 имеет высокие показатели прогностической ценности позитивного и негативного результатов (0,889 и 0,976 соответственно) для выявления поражения КМ у пациентов с опухолями семейства СЮ как на момент диагностики, так и в ходе терапии. Диагностическая эффективность маркера составила 0,949. использование STEAP1 и CCND1 имеет меньшую диагностическую ценность.</p></trans-abstract><kwd-group xml:lang="en"><kwd>NKX2-2</kwd><kwd>Ewing family tumors</kwd><kwd>bone marrow</kwd><kwd>real-time quantitative PCR</kwd><kwd>NKX2-2</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>опухоли семейства саркомы Юинга</kwd><kwd>костный мозг</kwd><kwd>ПЦР в режиме реального времени</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Иванова Н.М. Саркома Юинга. В кн.: «Клинические лекции по детской онкологии». Под ред. Л.А. Дурнова. М., «Медицинское информационное агентство». 2004, с. 251-270.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Peter M., Magdelenat H., Michon J. et al. Sensitive detection of occult Ewing’s cells by the reverse-transcriptase polymerase chain reaction. Br. J. 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