Home CONTACT Neoplasma 2010 Neoplasma Vol.57, No.2, p.118-122, 2010

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Neoplasma Vol.57, No.2, p.118-122, 2010

Title: Serum level of IGFBP3 and IGF1/IGFBP3 molar ratio in addition to PSA and single nucleotide polymorphism in PSA and CYP17 gene may contribute to early diagnostics of prostate cancer
Author: M. Tajtakova, A. Pidanicova, L. Valansky, L. Lachvac, V. Nagy, M. Sivonova, D. Dobrota, J. Kliment, J. Petrovicova

Abstract: The aim of the paper is to determine whether IGF1, IGFBP3 and IGF1/IGFBP3 molar ratio in addition to PSA and one-nucleotide polymorphism in PSA and CYP17 gene might contribute to early diagnostics of prostate cancer (PCa). Serum level of PSA, IGF1 and IGFBP3 in the group of 158 individuals (92 PCa and 66 controls) was examined by RIA method and IGF1/IGFBP3 was calculated. PCR RLFP method was used to examine one- nucleotide polymorphism in PSA and CYP 17 gene. The results suggest that serum level of IGF1 over 95% CI did not increase relative risk of PCa development in overall group, not even regarding to particular investigated genotypes, not even if individuals with genotype AG+A1A1, AG+A1A2, GG+A1A1 and GG+A1A2 were evaluated. Serum level of IGFBP3 under 95% CI increased PCa relative risk in overall group(χ2 = 10,03, p= 0,001, OR 3,12, 95% CI 1,44-6,93), as well as regarding to one-nucleotide polymorphism in individuals with PSA genotype AG(χ2 = 4,72 p= 0,029, OR 2,87, 95% CI 01,09-7,49) and CYP 17 genotype A1A1(χ2 = 3,76 p= 0,052, OR 2,57, 95% CI 0,97-6,75). The association between frequencies of occurrence of PCa and higher IGF1/IGFBP3 molar ratio was not confirmed, nor for gene polymorphism in PSA and CYP17, however OR (χ2 = 1,58, p= 0,208, OR 1,67, 95% CI 0,75-3,71) was more than 1, nor in combination AG+A1A1,AG+ A1A2. Serum level of IGFBP3 and IGF1/IGFBP3 molar ratio in addition to PSA and gene polymorphism in PSA and CYP17 gene might contribute to early diagnostics of PCa. Further research is needed to prove, whether serum level of IGFBP3 in addition to PSA determines the prognosis and progression of PCa.

Keywords: Prostate cancer, insulin-like growth factor 1 (IGF-1), insulin-like growth factor binding protein-3 (IGFBP-3), genetic polymorphisms
Year: 2010, Volume: 57, Issue: 2 Page From: 118, Page To: 122
doi:10.4149/neo_2010_02_118
Price: 12.00 €






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