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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Terapevticheskii arkhiv</journal-id><journal-title-group><journal-title xml:lang="en">Terapevticheskii arkhiv</journal-title><trans-title-group xml:lang="ru"><trans-title>Терапевтический архив</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0040-3660</issn><issn publication-format="electronic">2309-5342</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">32263</article-id><article-id pub-id-type="doi">10.17116/terarkh201789739-44</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial article</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Передовая статья</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Analysis of VEGF-A/VEGFR1/VEGFR2 gene expression in patients with myelodysplastic syndrome</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ экспрессии генов VEGF-A/VEGFR1/VEGFR2 у пациентов с миелодиспластическим синдромом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kalitin</surname><given-names>N N</given-names></name><name xml:lang="ru"><surname>Калитин</surname><given-names>Н Н</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dudina</surname><given-names>G A</given-names></name><name xml:lang="ru"><surname>Дудина</surname><given-names>Г А</given-names></name></name-alternatives><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Semochkin</surname><given-names>S V</given-names></name><name xml:lang="ru"><surname>Семочкин</surname><given-names>С В</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karamysheva</surname><given-names>A F</given-names></name><name xml:lang="ru"><surname>Карамышева</surname><given-names>А Ф</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">ГБУЗ «Московский клинический научно-практический центр им. А.С. Логинова ДЗ города Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2017</year></pub-date><volume>89</volume><issue>7</issue><issue-title xml:lang="en">VOL 89, NO7 ()</issue-title><issue-title xml:lang="ru">ТОМ 89, №7 (2017)</issue-title><fpage>39</fpage><lpage>44</lpage><history><date date-type="received" iso-8601-date="2020-04-10"><day>10</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ter-arkhiv.ru/0040-3660/article/view/32263">https://ter-arkhiv.ru/0040-3660/article/view/32263</self-uri><abstract xml:lang="en"><p>Aim. To assess the significance of gene expression of the vascular endothelial growth factor-A (VEGF-A) and its interacting receptors VEGFR1 and VEGFR2 as potential diagnostic and prognostic molecular markers in patients with myelodysplastic syndrome (MDS). Materials and methods. A real time polymerase chain reaction (RT-PCR) assay was used to investigate the gene expression of VEGF-A, VEGFR1, and VEGFR2 in the mononuclear cell fractions obtained from 24 patients with MDS. Results. The expression of the 3 genes was identified in all the patients examined. There was the highest expression level of the VEGF-A gene (p&lt;0.0001), whereas the expression of the VEGFR1 gene was higher than that of the VEGFR2 gene (p&lt;0.001). The expression of the VEGF-A gene proved to be higher in patients at a higher risk of acute leukemia and positively correlated with the expression levels of the VEGFR1 gene (p&lt;0.05) rather than that of the VEGFR2 gene. At the same time, patients with higher VEGFR1 gene expression had significantly lower overall survival rates (r=–0.5; p&lt;0.05). Patients with intermediate-2 or high-risk acute leukemia showed an increase in the average expression levels of VEGF-A and VEGFR1 and a reduction in VEGFR2 expression. Conclusion. This investigation revealed correlations between the number of blast cells in patients with MDS and the expression levels of the VEGF-A gene and between the overall survival of patients with MDS and the expression levels of the VEGFR1 gene rather than those of the VEGF-A and VEGFR2 genes.</p></abstract><trans-abstract xml:lang="ru"><p>Резюме Цель исследования. Оценить значение экспрессии генов фактора роста VEGF-A и взаимодействующих с ним рецепторов VEGFR1 и VEGFR2 в качестве возможных диагностических и прогностических молекулярных маркеров у пациентов с миелодиспластическим синдромом (МДС). Материалы и методы. Методом полимеразной цепной реакции в реальном времени (ПЦР-РВ) исследована экспрессия генов VEGF-A, VEGFR1 и VEGFR2 в мононуклеарных клеточных фракциях, полученных от 24 пациентов с МДС. Результаты. Экспрессия 3 генов выявлена у всех обследованных больных. Наиболее высокий уровень экспрессии отмечен для гена VEGF-A (p&lt;0,0001), тогда как экспрессия гена VEGFR1 превалировала над экспрессией гена VEGFR2 (p&lt;0,001). Уровни экспрессии гена VEGF-A оказались выше у пациентов с более высоким риском развития острого лейкоза и позитивно коррелировали с уровнями экспрессии гена VEGFR1 (p&lt;0,05), но не VEGFR2. При этом пациенты с более высокой экспрессией гена VEGFR1 имели достоверно более низкую общую выживаемость (r=–0,5; p&lt;0,05). У пациентов с промежуточным-2 и высоким риском развития острого лейкоза наблюдалась тенденция к увеличению средних уровней экспрессии VEGF-A и VEGFR1 и снижению экспрессии гена VEGFR2. Заключение. Проведенное исследование выявило корреляции между количеством бластных клеток у пациентов с МДС и уровнем экспрессии гена VEGF-A, а также между общей выживаемостью пациентов с МДС и уровнями экспрессии гена VEGFR1, но не генов VEGF-A и VEGFR2.</p></trans-abstract><kwd-group xml:lang="en"><kwd>myelodysplastic syndromes</kwd><kwd>VEGF-A</kwd><kwd>VEGFR1</kwd><kwd>and VEGFR2 gene expression</kwd><kwd>VEGFR1</kwd><kwd>VEGFR2</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>миелодиспластические синдромы</kwd><kwd>экспрессия генов VEGF-A</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Савченко В.Г., Паровичникова Е.Н., Кохно А.В., Семочкин С.В., Афанасьев Б.В., Морозова Е.В., Грицаев С.В., Дудина Г.А., Ширин А.Д., Константинова Т.С., Самойлова О.С., Шатохин Ю.В., Троицкая В.В., Кузьмина Л.А., Обухова Т.Н., Двирнык В.Н., Ковригина А.М., Байков В.В. 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