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Relative mRNA expression of prostate-derived E-twenty-six factor and E-twenty-six variant 4 transcription factors, and of uridine phosphorylase-1 and thymidine phosphorylase enzymes, in benign and malignant prostatic tissue

  • Authors:
    • Luciane Rostirola Cavazzola
    • Gustavo Franco Carvalhal
    • Candida Deves
    • Daiana Renck
    • Ricardo Almeida
    • Diógenes Santiago Santos

  • View Affiliations

  • Published online on: April 1, 2015     https://doi.org/10.3892/ol.2015.3093
  • Pages: 2886-2894
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Abstract

Prostate cancer is the most frequent urological tumor, and the second most common cancer diagnosed in men. Incidence and mortality are variable and appear to depend on behavioral factors and genetic predisposition. The prostate‑derived E‑twenty‑six factor (PDEF) and E‑twenty‑six variant 4 (ETV4) transcription factors, and the thymidine phosphorylase (TP) and uridine phosphorylase‑1 (UP‑1) enzymes, are reported to be components of the pathways leading to tumorigenesis and/or metastasis in a number of tumors. The present study aimed to analyze the mRNA expression levels of these proteins in prostatic cancerous and benign tissue, and their association with clinical and pathological variables. Using quantitative reverse transcription polymerase chain reaction, the mRNA expression levels of PDEF, ETV4, TP and UP‑1 were studied in 52 tissue samples (31 of benign prostatic hyperplasia and 21 of prostate adenocarcinomas) obtained from patients treated by transurethral resection of the prostate or by radical prostatectomy. Relative expression was assessed using the ∆‑CT method. Data was analyzed using Spearman's tests for correlation. P<0.05 was considered to indicate a statistically significant difference. The results revealed that PDEF, ETV4, UP‑1 and TP were expressed in 85.7, 90.5, 95.2 and 100% of the prostate cancer samples, and in 90.3, 96.8, 90.3 and 96.8% of the benign samples, respectively. PDEF and ETV4 exhibited a significantly higher relative expression level in the tumor samples compared with their benign counterparts. The relative expression of TP and UP‑1 did not differ significantly between benign and cancerous prostate tissues. The relative expression of TP was moderately and significantly correlated with the expression of ETV4 in the benign tissues. The relative expression of UP‑1 was significantly lower in T3 compared with T1 and T2 cancers. These findings indicate that PDEF, ETV4, TP and UP‑1 are typically expressed in benign and malignant prostatic tissues. Further studies are necessary to define the role of these proteins as therapeutic targets in prostate cancer.
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June-2015
Volume 9 Issue 6

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Cavazzola LR, Carvalhal GF, Deves C, Renck D, Almeida R and Santos DS: Relative mRNA expression of prostate-derived E-twenty-six factor and E-twenty-six variant 4 transcription factors, and of uridine phosphorylase-1 and thymidine phosphorylase enzymes, in benign and malignant prostatic tissue. Oncol Lett 9: 2886-2894, 2015.
APA
Cavazzola, L.R., Carvalhal, G.F., Deves, C., Renck, D., Almeida, R., & Santos, D.S. (2015). Relative mRNA expression of prostate-derived E-twenty-six factor and E-twenty-six variant 4 transcription factors, and of uridine phosphorylase-1 and thymidine phosphorylase enzymes, in benign and malignant prostatic tissue. Oncology Letters, 9, 2886-2894. https://doi.org/10.3892/ol.2015.3093
MLA
Cavazzola, L. R., Carvalhal, G. F., Deves, C., Renck, D., Almeida, R., Santos, D. S."Relative mRNA expression of prostate-derived E-twenty-six factor and E-twenty-six variant 4 transcription factors, and of uridine phosphorylase-1 and thymidine phosphorylase enzymes, in benign and malignant prostatic tissue". Oncology Letters 9.6 (2015): 2886-2894.
Chicago
Cavazzola, L. R., Carvalhal, G. F., Deves, C., Renck, D., Almeida, R., Santos, D. S."Relative mRNA expression of prostate-derived E-twenty-six factor and E-twenty-six variant 4 transcription factors, and of uridine phosphorylase-1 and thymidine phosphorylase enzymes, in benign and malignant prostatic tissue". Oncology Letters 9, no. 6 (2015): 2886-2894. https://doi.org/10.3892/ol.2015.3093