Expression of growth factors and their receptors in the primary renal cell carcinoma: new data and review

Autor: Saida Ashuba, Dmitry Khochenkov, Vsevolod Matveev, Yulia Khochenkova, Anna Sergeevna Olshanskaya, Elyso Solomko, Maria Volkova, Ilya Tsimafeyeu
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Central European Journal of Urology
ISSN: 2080-4873
2080-4806
Popis: Introduction The aim of our study was to investigate expression levels and the prognostic value of multiple growth factors and their receptors in the primary tumor cells of renal cell carcinoma (RCC). Material and methods Expression of vascular endothelial growth factor (VEGF)A, fibroblast growth factor (FGF)2, vascular endothelial growth factor receptor (VEGFR)1, VEGFR2, FGFR1, FGFR2, platelet-derived growth factor receptor (PDGFR)α, and PDGFRβ was investigated in 65 primary RCC specimens by immuhistochemical staining using the appropriate antibodies. Expression levels were evaluated by the semi-quantitative method. A search for correlations of expression levels of investigated growth factors and receptors with RCC features and patients outcomes was performed. Results Expression of all growth factors and their receptors was detected both on the surface and in the cytoplasm of the primary tumor cells in RCC patients. The expression of all analyzed factors was interconnected. FGFR2 expression correlated with the largest number of other growth factors and receptors. A strong correlation was revealed between high expression of the studied markers, high Fuhrman grade, and advanced RCC stages. In a univariate analysis overexpression of VEGFR2 (p
Databáze: OpenAIRE