<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</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">1020</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2020-16-1-17-26</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. RENAL CANCER</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ МОЧЕПОЛОВОЙ СИСТЕМЫ. Рак почки</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Expression of growth factors and tyrosine kinase receptors in the primary tumor and tumor thrombus cells in patients with renal cell carcinoma</article-title><trans-title-group xml:lang="ru"><trans-title>Экспрессия ростовых факторов и рецепторных тирозинкиназ в клетках первичной опухоли опухолевого тромба у больных почечно-клеточным раком</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7754-6624</contrib-id><name-alternatives><name xml:lang="en"><surname>Volkova</surname><given-names>M. I.</given-names></name><name xml:lang="ru"><surname>Волкова</surname><given-names>М. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Мария Игоревна Волкова, </bold>ведущий научный сотрудник хирургического отделения №4 (онкоурологии) НИИ клинической онкологии имени академика Н.Н. Трапезникова, д.м.н. </p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>mivolkova@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0389-564X</contrib-id><name-alternatives><name xml:lang="en"><surname>Olshanskaya</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Ольшанская</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Анна Сергеевна Ольшанская, </bold>врач-онколог отделения организации и проведения клинических исследований НИИ клинической онкологии имени академика  Н.Н. Трапезникова</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>anny9191@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7357-0392</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsimafeyeu</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Тимофеев</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>2 Pereulok Mayakovskogo, Moscow 109147</italic></p></bio><bio xml:lang="ru"><p><bold>Илья Валерьевич Тимофеев, </bold>директор</p><p><italic>109147 Москва, переулок Маяковского, 2</italic></p></bio><email>tsimafeyeu@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9029-2590</contrib-id><name-alternatives><name xml:lang="en"><surname>Vashakmadze</surname><given-names>N. L.</given-names></name><name xml:lang="ru"><surname>Вашакмадзе</surname><given-names>Н. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Нико Леванович Вашакмадзе, </bold>аспирант</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>nikko_01@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8392-5495</contrib-id><name-alternatives><name xml:lang="en"><surname>Khochenkova</surname><given-names>Yu. A.</given-names></name><name xml:lang="ru"><surname>Хоченкова</surname><given-names>Ю. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Юлия Александровна Хоченкова, </bold>младший научный сотрудник лаборатории биомаркеров и механизмов опухолевого ангиогенеза НИИ экспериментальной диагностики и терапии опухолей</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>julia_vet@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8070-4707</contrib-id><name-alternatives><name xml:lang="en"><surname>Solomko</surname><given-names>E. Sh.</given-names></name><name xml:lang="ru"><surname>Соломко</surname><given-names>Э. Ш.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Элисо Шаликовна Соломко, </bold>старший научный сотрудник лаборатории биомаркеров и механизмов опухолевого ангиогенеза НИИ экспериментальной диагностики и терапии опухолей, к.б.н.</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>elysolomko@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ashuba</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Ашуба</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Саида Анатольевна Ашуба, </bold>лаборант-исследователь лаборатории биомаркеров и механизмов опухолевого ангиогенеза НИИ экспериментальной диагностики и терапии опухолей</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>Zanda82@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5694-3492</contrib-id><name-alternatives><name xml:lang="en"><surname>Khochenkov</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Хоченков</surname><given-names>Д. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478; <italic>14 Belorusskaya St., Togliatti 445020</italic></italic></p></bio><bio xml:lang="ru"><p><bold>Дмитрий Александрович Хоченков, </bold>заведующий лабораторией биомаркеров и механизмов опухолевого ангиогенеза НИИ экспериментальной диагностики и терапии опухолей, к.б.н.</p><p><italic>115478 Москва, Каширское шоссе, 24; <italic>445020 Тольятти, Белорусская ул., 14</italic></italic></p></bio><email>khochenkov@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7748-9527</contrib-id><name-alternatives><name xml:lang="en"><surname>Matveev</surname><given-names>V. B.</given-names></name><name xml:lang="ru"><surname>Матвеев</surname><given-names>В. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>24 Kashirskoe Shosse, Moscow 115478</italic></p></bio><bio xml:lang="ru"><p><bold>Всеволод Борисович Матвеев, </bold>заведующий хирургическим отделением №4 (онкоурологии) НИИ клинической онкологии имени академика РАН и РАМН Н.Н. Трапезникова, чл.-корр. РАН, профессор</p><p><italic>115478 Москва, Каширское шоссе, 24</italic></p></bio><email>vsevolodmatveev@mail.ru</email><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 «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Kidney Cancer Research Bureau</institution></aff><aff><institution xml:lang="ru">АНО «Бюро по изучению рака почки»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Togliatti State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Тольяттинский государственный университет»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-03-30" publication-format="electronic"><day>30</day><month>03</month><year>2020</year></pub-date><volume>16</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>17</fpage><lpage>26</lpage><history><date date-type="received" iso-8601-date="2020-02-05"><day>05</day><month>02</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-03-15"><day>15</day><month>03</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://oncourology.abvpress.ru/oncur/article/view/1020">https://oncourology.abvpress.ru/oncur/article/view/1020</self-uri><abstract xml:lang="en"><p><bold><italic>Objective:</italic></bold><bold><italic> </italic></bold><italic>to</italic><italic> </italic><italic>assess</italic><italic> </italic><italic>the</italic><italic> </italic><italic>expression</italic><italic> </italic><italic>and</italic><italic> </italic><italic>prognostic</italic><italic> </italic><italic>value</italic><italic> </italic><italic>of</italic><italic> </italic><italic>vascular</italic><italic> </italic><italic>endothelial</italic><italic> </italic><italic>growth</italic><italic> </italic><italic>factor</italic><italic> </italic><italic>A (VEGF-A), fibroblast growth factor 2 (FGF-2) and their receptors VEGFR-1, -2; FGFR-1, -2, as well as platelet-derived growth factor receptors (PDGFR-α, PDGFR-β) in paired samples of primary tumors and tumor thrombi in renal cell carcinoma (RCC).</italic></p><p><bold><italic>Materials and methods. </italic></bold><italic>Expression of VEGF-A, FGF-2, VEGFR-1, -2; FGFR-1, -2; PDGFR-α, -β was studied in paired surgical samples of primary tumors and tumor thrombi in 25 patients with clear cell RCC pT3a–T4N0–1M0–1 and tumor venous thrombosis by immunohistochemical assay using the appropriate Abcam/Santa Cruz Biotech antibodies from the immunohistochemical staining kit Invitrogen. Expression levels were evaluated by a semi-quantitative method (H-score). The analysis of the correlation between expression levels of VEGF-A, FGF-2, VEGFR-1, -2; FGFR-1, -2; PDGFR-α, -β and RCC characteristics, as well as evaluation of their influence on the outcome of RCC were performed.</italic></p><p><bold><italic>Results. </italic></bold><italic>VEGF-A, FGF-2, as well as VEGFR-1, -2; FGFR-1, -2; PDGFR-α, -β were expressed in the cytoplasm and on the membrane of the primary tumor and tumor thrombus cells in RCC patients. Tumor thrombus cells were characterized by lower expression of VEGFR-1, VEGFR-2, PDGFR-α (p &lt;0.05 for all) and tendency to lower expression of VEGF-A (p = 0.060), FGF-2 (p = 0.046), FGFR-1 (p = 0.077) and FGFR-2 (p = 0.090) compared with primary tumor cells. RCC Furman grade correlated with the expression levels of VEGFR-1 (p = 0.035) and FGFR-1 (p = 0.022) in the primary tumor cells, tumor invasion into venous wall correlated with the expression levels of VEGFR-1 (p = 0.023) and FGFR-2 (p = 0.005) on the thrombus cells. VEGFR-2 overexpression in the primary tumor cells was associated with significant decrease of overall survival (OS) rate (p = 0.011). There was a tendency to OS deterioration in cases with overexpression of VEGFR-2 (p = 0.093) and VEGF-A (p = 0.095) in the tumor thrombus cells. One-year OS in patients with </italic>³<italic>2</italic><italic> </italic><italic>identified</italic><italic> </italic><italic>risk</italic><italic> </italic><italic>factors</italic><italic> </italic><italic>was</italic><italic> </italic><italic>27.3</italic><italic> </italic><italic>%,</italic><italic> </italic><italic>&lt;2</italic><italic> </italic><italic>risk</italic><italic> </italic><italic>factors</italic><italic> </italic><italic>– </italic><italic>87.5</italic><italic> </italic><italic>% (p = 0.004).</italic></p><p><bold><italic>Conclusion.</italic></bold><bold><italic> </italic></bold><italic>T</italic><italic>umor</italic><italic> </italic><italic>thrombus</italic><italic> </italic><italic>cells</italic><italic> </italic><italic>in</italic><italic> </italic><italic>RCC</italic><italic> </italic><italic>patients</italic><italic> </italic><italic>expressed</italic><italic> </italic><italic>VEGF-A,</italic><italic> </italic><italic>FGF-2,</italic><italic> </italic><italic>VEGFR-1,</italic><italic> </italic><italic>-2;</italic><italic> </italic><italic>FGFR-1,</italic><italic> </italic><italic>-2;</italic><italic> </italic><italic>PDGFR-α,</italic><italic> </italic><italic>-β</italic><italic> </italic><italic>less</italic><italic> </italic><italic>active</italic><italic> </italic><italic>than</italic><italic> </italic><italic>the</italic><italic> </italic><italic>cells</italic><italic> </italic><italic>of the primary tumor. Overexpression of growth factors and tyrosine kinases correlated with RCC Furman grade and tumor venous wall invasion. Overexpression of VEGFR-2 in both primary tumor and thrombus cells in combination with hypoexpression of VEGF-A in the thrombus negatively influenced on OS.</italic></p></abstract><trans-abstract xml:lang="ru"><p><bold><italic>Це</italic></bold><bold><italic>ль</italic></bold><bold><italic> </italic></bold><bold><italic>исследо</italic></bold><bold><italic>ва</italic></bold><bold><italic>ния</italic></bold><bold><italic> </italic></bold><italic>– </italic><italic>п</italic><italic>ро</italic><italic>в</italic><italic>ес</italic><italic>ти</italic><italic> </italic><italic>изу</italic><italic>че</italic><italic>ни</italic><italic>е</italic><italic> </italic><italic>эк</italic><italic>с</italic><italic>п</italic><italic>ресс</italic><italic>ии</italic><italic> </italic><italic>и прогностической значимости фактора роста эндотелия сосудов (</italic><italic>V</italic><italic>EGF</italic><italic>-</italic><italic>A</italic><italic>),</italic><italic> </italic><italic>фактора роста фибробластов 2 (</italic><italic>FGF</italic><italic>-2) и их рецепторов </italic><italic>VEGFR</italic><italic>-1, -2; </italic><italic>FGFR</italic><italic>-1, -2, а также рецепторов фактора роста тромбоцитарного происхождения (</italic><italic>PDGFR</italic><italic>-</italic><italic>α</italic><italic>,</italic><italic> </italic><italic>PDGFR</italic><italic>-</italic><italic>β</italic><italic>)</italic><italic> </italic><italic>в клетках парных образцов первичной опухоли и опухолевого тромба у больных почечно-клеточным раком (ПКР).</italic></p><p><bold><italic>Ма</italic></bold><bold><italic>териалы</italic></bold><bold><italic> </italic></bold><bold><italic>и методы. </italic></bold><italic>Экспрессию </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic>, </italic><italic>FGF</italic><italic>-2, </italic><italic>VEGFR</italic><italic>-1, -2; </italic><italic>FGFR</italic><italic>-1, -2; </italic><italic>PDGFR</italic><italic>-</italic><italic>α</italic><italic>, -</italic><italic>β</italic><italic> </italic><italic>изучали в парных операционных образцах опухоли почки и опухолевого тромба 25 больных светлоклеточным ПКР рТ3а–Т4</italic><italic>N</italic><italic>0–1</italic><italic>M</italic><italic>0–1,</italic><italic> </italic><italic>ос</italic><italic>л</italic><italic>ож</italic><italic>н</italic><italic>е</italic><italic>нн</italic><italic>ы</italic><italic>м</italic><italic> </italic><italic>о</italic><italic>пух</italic><italic>о</italic><italic>л</italic><italic>е</italic><italic>в</italic><italic>ы</italic><italic>м</italic><italic> </italic><italic>венозным тромбозом, при помощи иммуногистохимического окрашивания с полуколичественной оценкой. Провели анализ корреляции выявленных уровней экспрессии ростовых факторов и рецепторных тирозинкиназ с характеристиками опухолевого процесса и оценку их влияния на исход ПКР.</italic></p><p><bold><italic>Резу</italic></bold><bold><italic>ль</italic></bold><bold><italic>таты.</italic></bold><bold><italic> </italic></bold><italic>В цитоплазме и на мембране клеток первичной опухоли и опухолевого тромба у больных ПКР экспрессировались </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic>, </italic><italic>FGF</italic><italic>-2, а также </italic><italic>VEGFR</italic><italic>-1, -2; </italic><italic>FGFR</italic><italic>-1, -2; </italic><italic>PDGFR</italic><italic>-</italic><italic>α</italic><italic>, -</italic><italic>β</italic><italic>. Клетки опухолевого тромба характеризовались более низкой экспрессией </italic><italic>VEGFR</italic><italic>-1,</italic><italic> </italic><italic>-2,</italic><italic> </italic><italic>PDGFR</italic><italic>-</italic><italic>α</italic><italic> </italic><italic>(р</italic><italic> </italic><italic>&lt;0,05</italic><italic> </italic><italic>для</italic><italic> </italic><italic>всех)</italic><italic> </italic><italic>и тенденцией к более низкой экспрессии </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic> </italic><italic>(</italic><italic>p</italic><italic> </italic><italic>= 0,060), </italic><italic>FGF</italic><italic>-2</italic><italic> </italic><italic>(р</italic><italic> </italic><italic>= 0,046), </italic><italic>FGFR</italic><italic>-1 (</italic><italic>p</italic><italic> </italic><italic>= 0,077) и </italic><italic>FGFR</italic><italic>-2 (</italic><italic>p</italic><italic> </italic><italic>= 0,090) по сравнению с клетками первичной опухоли почки. Была выявлена прямая корреляция между степенью дифференцировки </italic><italic>G</italic><italic> </italic><italic>и уровнями экспрессии </italic><italic>VEGFR</italic><italic>-1 (р = 0,035) и </italic><italic>FGFR</italic><italic>-1 (р = 0,022) в клетках первичной опухоли, а также между инвазией опухолевого тромба в венозную стенку и уровнями экспрессии </italic><italic>VEGFR</italic><italic>-1 (р = 0,023) и </italic><italic>FGFR</italic><italic>-2 (р = 0,005) на клетках тромба. Было отмечено неблагоприятное влияние на общую выживаемость (ОВ) больных ПКР гиперэкспрессии </italic><italic>VEGFR</italic><italic>-2 в клетках первичной опухоли (р = 0,011), а также тенденция к снижению ОВ при гиперэкспрессии </italic><italic>VEGFR</italic><italic>-2 (р = 0,093) и гипоэкспрессии </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic> </italic><italic>(р = 0,095) в клетках опухолевого тромба. Однолетняя ОВ пациентов с </italic>³<italic>2 выделенными факторами риска – 27,3 %, &lt;2 факторами риска – 87,5 % (р = 0,004).</italic></p><p><bold><italic>Заключение.</italic></bold><bold><italic> </italic></bold><italic>Клетки</italic><italic> </italic><italic>опухолевого</italic><italic> </italic><italic>тромба</italic><italic> </italic><italic>у больных ПКР экспрессируют </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic>,</italic><italic> </italic><italic>FGF</italic><italic>-2,</italic><italic> </italic><italic>VEGFR</italic><italic>-1,</italic><italic> </italic><italic>-2;</italic><italic> </italic><italic>FGFR</italic><italic>-1,</italic><italic> </italic><italic>-2;</italic><italic> </italic><italic>PDGFR</italic><italic>-</italic><italic>α</italic><italic>,</italic><italic> </italic><italic>-</italic><italic>β</italic><italic> </italic><italic>менее активно, чем клетки первичной опухоли. Гиперэкспрессия ростовых факторов и тирозинкиназ коррелирует со степенью дифференцировки </italic><italic>G</italic><italic> </italic><italic>и инвазией венозной стенки. Гиперэкспрессия </italic><italic>VEGFR</italic><italic>-2 в первичной опухоли и тромбе в сочетании с гипоэкспрессией </italic><italic>VEGF</italic><italic>-</italic><italic>A</italic><italic> </italic><italic>в тромбе ассоциирована со снижением ОВ.</italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>renal cell carcinoma</kwd><kwd>tumor venous thrombosis</kwd><kwd>vascular endothelial growth factor (VEGF-A)</kwd><kwd>fibroblast growth factor 2 (FGF-2)</kwd><kwd>VEGFR-1, -2 receptors</kwd><kwd>FGFR-1, -2</kwd><kwd>platelet-derived growth factor receptors (PDGFR-α, PDGFR-β)</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>почечно-клеточный рак</kwd><kwd>опухолевый венозный тромбоз</kwd><kwd>фактор роста эндотелия сосудов (VEGF-A)</kwd><kwd>фактор роста фибробластов 2 (FGF2)</kwd><kwd>рецепторы VEGFR-1, -2</kwd><kwd>FGFR-1, -2</kwd><kwd>рецепторы фактора роста тромбоцитарного происхождения (PDGFR-α, PDGFR-β).</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке Российского научного фонда (грант № 19-15-00442).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Lawindy S.M., Kurian T., Kim T. et al. Important surgical considerations in the management of renal cell carcinoma (RCC) with inferior vena cava (IVC) tumour thrombus. BJU Int 2012;110(7):926–39. DOI: 10.1111/j.1464-410X.2012.11174.x.</mixed-citation></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">Wagner B., Patard J.J., Méjean A. et al. Prognostic value of renal vein and inferior vena cava involvement in renal cell carcinoma. Eur Urol 2009;55(2):452–9. DOI: 10.1016/j.eururo.2008.07.053.</mixed-citation><mixed-citation xml:lang="ru">Wagner B., Patard J.J., Méjean A. et al. Prognostic value of renal vein and inferior vena cava involvement in renal cell carcinoma. Eur Urol 2009;55(2):452–9. DOI: 10.1016/j.eururo.2008.07.053.</mixed-citation></citation-alternatives></ref><ref id="B3"><label>3.</label><citation-alternatives><mixed-citation xml:lang="en">Davydov M.I., Matveev V.B., Volkova M.I. et al. Resection of the inferior vena cava in patients with renal cell carcinoma with bulky tumor venous thrombosis. Onkourologiya = Cancer Urology 2018;14(2):15–25 (In Russ.).</mixed-citation><mixed-citation xml:lang="ru">Давыдов М.И., Матвеев В.Б., Волкова М.И. и др. Резекция нижней полой вены у больных раком почки с массивным опухолевым тромбозом. Онкоурология 2018;14(2):15–25. DOI: 10.17650/1726-9776-2018-14-2-15-25.</mixed-citation></citation-alternatives></ref><ref id="B4"><label>4.</label><mixed-citation>Abel E.J., Thompson R.H., Margulis V. et al. Perioperative outcomes following surgical resection of renal cell carcinoma with inferior vena cava thrombus extending above the hepatic veins: a contemporary multicenter experience. Eur Urol 2014;66(3):584–92. DOI: 10.1016/j.eururo.2013.10.029.</mixed-citation></ref><ref id="B5"><label>5.</label><citation-alternatives><mixed-citation xml:lang="en">Kirkali Z., Van Poppel H. A critical analysis of surgery for kidney cancer with vena cava invasion. Eur Urol 2007;52(3):658–62. DOI: 10.1016/j.eururo.2007.05.009.</mixed-citation><mixed-citation xml:lang="ru">Kirkali Z., Van Poppel H. A critical analysis of surgery for kidney cancer with vena cava invasion. Eur Urol 2007;52(3):658–62. DOI: 10.1016/j.eururo.2007.05.009.</mixed-citation></citation-alternatives></ref><ref id="B6"><label>6.</label><mixed-citation>Detre S., Saclani Jotti G., Dowsett M. A “quickscore” method for immunohistochemical semiquantitation: validation for oestrogen receptor in breast carcinomas. J Clin Pathol 1995;48(9):876–8. DOI: 10.1136/jcp.48.9.876.</mixed-citation></ref><ref id="B7"><label>7.</label><citation-alternatives><mixed-citation xml:lang="en">Tsimafeyeu I., Zolotareva T., Varlamov S. et al. Five-year survival of patients with metastatic renal cell carcinoma in the Russian Federation: results from the RENSUR5 registry. Clin Genitourin Cancer 2017;15(6):e1069–72. DOI: 10.1016/j.clgc.2017.07.017.</mixed-citation><mixed-citation xml:lang="ru">Tsimafeyeu I., Zolotareva T., Varlamov S. et al. Five-year survival of patients with metastatic renal cell carcinoma in the Russian Federation: results from the RENSUR5 registry. Clin Genitourin Cancer 2017;15(6):e1069–72. DOI: 10.1016/j.clgc.2017.07.017.</mixed-citation></citation-alternatives></ref><ref id="B8"><label>8.</label><citation-alternatives><mixed-citation xml:lang="en">Tsimafeyeu I., Demidov L., Ta H. et al. Fibroblast growth factor pathway in renal cell carcinoma. J Clin Oncol 2011;28(15_suppl):4621. DOI: 10.1200/jco.2010.28.15_suppl.4621.</mixed-citation><mixed-citation xml:lang="ru">Tsimafeyeu I., Demidov L., Ta H. et al. Fibroblast growth factor pathway in renal cell carcinoma. J Clin Oncol 2011;28(15_suppl):4621. DOI: 10.1200/jco.2010.28.15_suppl.4621.</mixed-citation></citation-alternatives></ref><ref id="B9"><label>9.</label><citation-alternatives><mixed-citation xml:lang="en">Porta C., Paglino C., Imarisio I. et al. Changes in circulating pro-angiogenic cytokines, other than VEGF, before progression to sunitinib therapy in advanced renal cell carcinoma patients. Oncology 2013;84(2):115–22. DOI: 10.1159/000342099.</mixed-citation><mixed-citation xml:lang="ru">Porta C., Paglino C., Imarisio I. et al. Changes in circulating pro-angiogenic cytokines, other than VEGF, before progression to sunitinib therapy in advanced renal cell carcinoma patients. Oncology 2013;84(2):115–22. DOI: 10.1159/000342099.</mixed-citation></citation-alternatives></ref><ref id="B10"><label>10.</label><citation-alternatives><mixed-citation xml:lang="en">aule B., Bastien L., Deslandes E. et al. Soluble isoforms of vascular endothelial growth factor are predictors of response to sunitinib in metastatic renal cell carcinomas. PLoS One 2010;5(5):e10715. DOI: 10.1371/journal.pone.0010715.</mixed-citation><mixed-citation xml:lang="ru">aule B., Bastien L., Deslandes E. et al. Soluble isoforms of vascular endothelial growth factor are predictors of response to sunitinib in metastatic renal cell carcinomas. PLoS One 2010;5(5):e10715. DOI: 10.1371/journal.pone.0010715.</mixed-citation></citation-alternatives></ref><ref id="B11"><label>11.</label><mixed-citation>Tsimafeyeu I., Zaveleva E., Stepanova E., Low W. OM-RCA-01, a novel humanized monoclonal antibody targeting fibroblast growth factor receptor 1, in renal cell carcinoma model. Invest New Drugs 2013;31(6):1436–43. DOI: 10.1007/s10637-013-0017-x.</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Tsimafeyeu I., Volkova M., Olshanskaia A. et al. Expression of receptor tyrosine kinases on peripheral blood mononuclear cells and tumor-infiltrating lymphocytes in patients with renal cell carcinoma and healthy donors. Oncology 2020. DOI: 10.1159/000505373. Online first.</mixed-citation></ref><ref id="B13"><label>13.</label><citation-alternatives><mixed-citation xml:lang="en">Horstmann M., Merseburger A.S., von der Heyde E. et al. Correlation of bFGF expression in renal cell cancer with clinical and histopathological features by tissue microarray analysis and measurement of serum levels. J Cancer Res Clin Oncol 2005;131(11):715–22. DOI: 10.1007/s00432-005-0019-y.</mixed-citation><mixed-citation xml:lang="ru">Horstmann M., Merseburger A.S., von der Heyde E. et al. Correlation of bFGF expression in renal cell cancer with clinical and histopathological features by tissue microarray analysis and measurement of serum levels. J Cancer Res Clin Oncol 2005;131(11):715–22. DOI: 10.1007/s00432-005-0019-y.</mixed-citation></citation-alternatives></ref><ref id="B14"><label>14.</label><mixed-citation>Fujimoto K., Ichimori Y., Yamaguchi H. et al. Basic fibroblast growth factor as a candidate tumor marker for renal cell carcinoma. Jpn J Cancer Res 1995; 86(2):182–6. DOI: 10.1111/j.13497006.1995.tb03037.x.</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Duensing S., Grosse J., Atzpodien J. Increased serum levels of basic fibroblast growth factor (bFGF) are associated with progressive lung metastases in advanced renal cell carcinoma patients. Anticancer Res 1995;15(5B):2331–3.</mixed-citation></ref><ref id="B16"><label>16.</label><citation-alternatives><mixed-citation xml:lang="en">Rasmuson T., Grankvist K., Jacobsen J., Ljungberg B. Impact of serum basic fibroblast growth factor on prognosis in human renal cell carcinoma. Eur J Cancer 2001;37(17):2199–203. DOI: 10.1016/s0959-8049(01)00290-8.</mixed-citation><mixed-citation xml:lang="ru">Rasmuson T., Grankvist K., Jacobsen J., Ljungberg B. Impact of serum basic fibroblast growth factor on prognosis in human renal cell carcinoma. Eur J Cancer 2001;37(17):2199–203. DOI: 10.1016/s0959-8049(01)00290-8.</mixed-citation></citation-alternatives></ref><ref id="B17"><label>17.</label><citation-alternatives><mixed-citation xml:lang="en">Slaton J.W., Inoue K., Perrotte P. et al. Expression levels of genes that regulate metastasis and angiogenesis correlate with advanced pathological stage of renal cell carcinoma. Am J Pathol 2001;158(2):735–43. DOI: 10.1016/S0002-9440(10)64016-3.</mixed-citation><mixed-citation xml:lang="ru">Slaton J.W., Inoue K., Perrotte P. et al. Expression levels of genes that regulate metastasis and angiogenesis correlate with advanced pathological stage of renal cell carcinoma. Am J Pathol 2001;158(2):735–43. DOI: 10.1016/S0002-9440(10)64016-3.</mixed-citation></citation-alternatives></ref><ref id="B18"><label>18.</label><citation-alternatives><mixed-citation xml:lang="en">Kluger H.M., Siddiqui S.F., Angeletti C. et al. Classification of renal cell carcinoma based on expression of VEGF and VEGF receptors in both tumor cells and endothelial cells. Lab Invest 2008;88(9):962–72. DOI: 10.1038/labinvest.2008.65.</mixed-citation><mixed-citation xml:lang="ru">Kluger H.M., Siddiqui S.F., Angeletti C. et al. Classification of renal cell carcinoma based on expression of VEGF and VEGF receptors in both tumor cells and endothelial cells. Lab Invest 2008;88(9):962–72. DOI: 10.1038/labinvest.2008.65.</mixed-citation></citation-alternatives></ref><ref id="B19"><label>19.</label><mixed-citation>Lkhagvadorj S., Oh S.S., Lee M.R. et al. VEGFR-1 expression relates to fuhrman nuclear grade of clear cell renal cell carcinoma. J Lifestyle Med 2014;4(1):64–70. DOI: 10.15280/jlm.2014.4.1.64.</mixed-citation></ref><ref id="B20"><label>20.</label><mixed-citation>Iacovelli R., De Tursi M., Mosillo C. et al. Relationship and predictive role of the dual expression of FGFR and IL-8 in metastatic renal cell carcinoma treated with targeted agents. Anticancer Res 2018;38(5):3105–10. DOI: 10.21873/anticanres.12569.</mixed-citation></ref><ref id="B21"><label>21.</label><citation-alternatives><mixed-citation xml:lang="en">Ho T.H., Liu X.D., Huang Y. et al. The impact of FGFR1 and FRS2α expression on sorafenib treatment in metastatic renal cell carcinoma. BMC Cancer 2015;15:304. DOI: 10.1186/s12885-015-1302-1.</mixed-citation><mixed-citation xml:lang="ru">Ho T.H., Liu X.D., Huang Y. et al. The impact of FGFR1 and FRS2α expression on sorafenib treatment in metastatic renal cell carcinoma. BMC Cancer 2015;15:304. DOI: 10.1186/s12885-015-1302-1.</mixed-citation></citation-alternatives></ref></ref-list></back></article>
