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Quantification of PSA mRNA levels in peripheral blood of patients with localized prostate adenocarcinoma before, during, and after radical prostatectomy by quantitative real-time PCR (qRT-PCR).

Abstract：

OBJECTIVE:To evaluate the clinical value of detected prostate-specific antigen (PSA) mRNA expression levels in circulating cells in patients with prostate cancer by quantitative real-time polymerase chain reaction (qRT-PCR) and to determine the effect of surgical manipulation on hematogenous dissemination. METHODS:Blood samples before, during, and after (24 h) surgery were obtained from 34 patients with prostate cancer who underwent radical prostatectomy for detecting PSA mRNA expression levels. PSA mRNA expression levels, PSA levels, and Gleason scores were then compared. RESULTS:PSA mRNA expression levels were detected in 14 of 34 (41%) patients, and biochemical recurrence of blood PSA was observed in 6 of 34 (17%) patients. Differences of PSA mRNA expression levels in pre-, per-, and postoperative periods were statistically significant (P < 0.001) and differences of PSA mRNA expression levels in pre- and peroperative samples (P < 0.008), pre- and postoperative samples (P < 0.031), and per- and postoperative samples (P < 0.001) were also statistically meaningful. There was significant relationship between the detectable PSA mRNA expression levels in preoperative samples and biochemical recurrence of blood PSA levels. We demonstrated that surgical manipulation had no effect on biochemical recurrence of blood PSA. We also showed that there was significant correlation between high Gleason score and the detectable PSA mRNA expression levels (P < 0.027). CONCLUSIONS:Our results suggest that highly detectable PSA mRNA expression levels in preoperative samples seem to be a significant predictable factor for prostate cancer recurrence.

journal_name

Int Urol Nephrol

journal_title

International urology and nephrology

authors

Kalfazade N,Kuskucu AM,Karadag S,Sahin S,Aras B,Midilli K,Yilmaz G,Tasci AI

doi

10.1007/s11255-008-9416-x

subject

Has Abstract

pub_date

2009-01-01 00:00:00

pages

273-9

issue

eissn

0301-1623

issn

1573-2584

journal_volume

pub_type

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Quantification of PSA mRNA levels in peripheral blood of patients with localized prostate adenocarcinoma before, during, and after radical prostatectomy by quantitative real-time PCR (qRT-PCR).