Abstract:
:Prostate cancer (PCa) is considered the most common malignancy in men. The aim of this study is to assess the role of serum miR-15a and miR-16-1 expression in PCa development, diagnosis and prognosis aiming to find a specific noninvasive biomarker. This study comprised 70 patients with PCa, 70 patients complaining of benign prostatic hyperplasia (BPH), 30 patients with chronic prostatitis and 70 controls. Circulating miR-15a and miR-16-1 expression was detected by real-time polymerase chain reaction. Prostate specific antigen levels were measured by enzyme-linked immunosorbent assay. The expression levels of serum miR-15a were decreased in PCa patients compared with controls, chronic prostatitis and BPH patients (0.43 ± 0.12, 1.7 ± 0.76, 1.56 ± 0.34 and 1.53 ± 0.65, respectively). The expression levels of serum miR-16-1 were decreased in PCa patients compared with controls, chronic prostatitis and BPH patients (0.55 ± 0.23, 2.15 ± 0.87, 2.08 ± 0.54 and 1.96 ±0.61, respectively). Downregulation of miR-15a and miR-16-1 correlated with higher Gleason score (P = 0.002 and P = 0.006, respectively), higher tumor stage (P = 0.001 and P = 0.01, respectively), PCa metastasis (P = 0.002 and P = 0.025, respectively) and lymph node involvement (P = 0.02 and P = 0.007, respectively). Moreover, Receiver operating characteristic curve analysis revealed that combined miR-15a/miR-16-1 and PSA increased the sensitivity and specificity for the diagnosis of PCa (97.1% and 94.3%, respectively) more than prostate specific antigen alone (82.9% sensitivity and 75.7% specificity). Combined serum miR-15a/miR-16-1 expression and PSA level can be used as promising specific noninvasive biomarkers in the diagnosis and prognosis of PCa better than prostate specific antigen alone. © 2018 IUBMB Life, 70(5):437-444, 2018.
journal_name
IUBMB Lifejournal_title
IUBMB lifeauthors
Zidan HE,Abdul-Maksoud RS,Elsayed WSH,Desoky EAMdoi
10.1002/iub.1733subject
Has Abstractpub_date
2018-05-01 00:00:00pages
437-444issue
5eissn
1521-6543issn
1521-6551journal_volume
70pub_type
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