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Neoplasma Vol.62, No.1, p.114-118, 2015 |
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Title: Prognostic and predictive molecular biological markers in prostate cancer – significance of expression of genes PCA3 and TMPRSS2 | ||
Author: R. SOUMAROVA, A. BODAY, V. KRHUTOVA, A. JANOTOVA, M. DVORAKOVA, E. JALUVKOVA, M. STURSA, H. PERKOVA | ||
Abstract: Prostate specific antigen and digital rectal examination have low specificity for detecting prostate cancer and they poorly predict the presence of aggressive disease. We present recent findings on PCA3 and TMPRSS:ERG fusion and assessed the relationship between PSA, urine PCA3 and TMPRSS2:ERG and corelation with pathological findings. We tested the PCA3 score in two groups. The first comprised 96 men treated in urology out-patient units with suspicion of prostate cancer, who had elevated PSA and/or positive DRE. The second group comprised 28 patients, who were treated by radiation for localised prostate cancer, and whose PCA3 was regularly monitored. A further cohort comprised patients with already-diagnosed tumors, who had undergone radical prostatectomy. With these, using histopathological samples, we examined samples of the TMPRSS2:ERG fusion gene and compared the results with Gleason score values and level of PSA. We also examined the TMPRSS2:ERG gene in patients who had positive biopsy. Part of the genetical analysis was also an examination of the MSMB gene. Neither the TMPRSS2:ERG (p=0.13) nor the MSMB (p=0.556) genotype had an influence on the value of the Gleason score. However a difference was found between the homozygote and wild type (WT) in the TMPRSS2 gene.
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Keywords: prostate cancer, PSA, PCA3 | ||
Year: 2015, Volume: 62, Issue: 1 | Page From: 114, Page To: 118 | |
doi:10.4149/neo_2015_014 |
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