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Association of transcript levels of 10 established or candidate-biomarker gene targets with cancerous versus non-cancerous prostate tissue from radical prostatectomy specimens

Vaananen, Riina-Minna ; Lilja, Hans LU orcid ; Cronin, Angel ; Kauko, Leni ; Rissanen, Maria ; Kauko, Otto ; Kekki, Henna ; Vidback, Siina ; Nurmi, Martti and Alanen, Kalle , et al. (2013) In Clinical Biochemistry 46(7-8). p.670-674
Abstract
Objectives: The benefits of PSA (prostate specific antigen)-testing in prostate cancer remain controversial with a consequential need for validation of additional biomarkers. We used highly standardized reverse-transcription (RT)-PCR assays to compare transcript levels of 10 candidate cancer marker genes - BMP6, FGF-8b, KLK2, KLK3, KLK4, KLK15, MSMB, PCA3, PSCA and Trpm8 - in carefully ascertained non-cancerous versus cancerous prostate tissue from patients with clinically localized prostate cancer treated by radical prostatectomy. Design and methods: Total RNA was isolated from fresh frozen prostate tissue procured immediately after resection from two separate areas in each of 87 radical prostatectomy specimens. Subsequent... (More)
Objectives: The benefits of PSA (prostate specific antigen)-testing in prostate cancer remain controversial with a consequential need for validation of additional biomarkers. We used highly standardized reverse-transcription (RT)-PCR assays to compare transcript levels of 10 candidate cancer marker genes - BMP6, FGF-8b, KLK2, KLK3, KLK4, KLK15, MSMB, PCA3, PSCA and Trpm8 - in carefully ascertained non-cancerous versus cancerous prostate tissue from patients with clinically localized prostate cancer treated by radical prostatectomy. Design and methods: Total RNA was isolated from fresh frozen prostate tissue procured immediately after resection from two separate areas in each of 87 radical prostatectomy specimens. Subsequent histopathological assessment classified 86 samples as cancerous and 88 as histologically benign prostate tissue. Variation in total RNA recovery was accounted for by using external and internal standards and enabled us to measure transcript levels by RT-PCR in a highly quantitative manner. Results: Of the ten genes, there were significantly higher levels only of one of the less abundant transcripts, PCA3, in cancerous versus non-cancerous prostate tissue whereas PSCA mRNA levels were significantly lower in cancerous versus histologically benign tissue. Advanced pathologic stage was associated with significantly higher expression of KLK15 and PCA3 mRNAs. Median transcript levels of the most abundantly expressed genes (i.e. MSMB, KLK3, KLK4 and KLK2) in prostate tissue were up to 10(5)-fold higher than those of other gene targets. Conclusions: PCA3 expression was associated with advanced pathological stage but the magnitude of overexpression of PCA3 in cancerous versus non-cancerous prostate tissue was modest compared to previously reported data. (C) 2013 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Prostatic neoplasms, Reverse transcriptase polymerase chain reaction
in
Clinical Biochemistry
volume
46
issue
7-8
pages
670 - 674
publisher
Elsevier
external identifiers
  • wos:000317878100019
  • scopus:84884756246
  • pmid:23391636
ISSN
1873-2933
DOI
10.1016/j.clinbiochem.2013.01.019
language
English
LU publication?
yes
id
8bc39256-9f9b-4c43-a467-899ebac06bca (old id 3853614)
date added to LUP
2016-04-01 09:50:55
date last changed
2022-02-24 19:50:55
@article{8bc39256-9f9b-4c43-a467-899ebac06bca,
  abstract     = {{Objectives: The benefits of PSA (prostate specific antigen)-testing in prostate cancer remain controversial with a consequential need for validation of additional biomarkers. We used highly standardized reverse-transcription (RT)-PCR assays to compare transcript levels of 10 candidate cancer marker genes - BMP6, FGF-8b, KLK2, KLK3, KLK4, KLK15, MSMB, PCA3, PSCA and Trpm8 - in carefully ascertained non-cancerous versus cancerous prostate tissue from patients with clinically localized prostate cancer treated by radical prostatectomy. Design and methods: Total RNA was isolated from fresh frozen prostate tissue procured immediately after resection from two separate areas in each of 87 radical prostatectomy specimens. Subsequent histopathological assessment classified 86 samples as cancerous and 88 as histologically benign prostate tissue. Variation in total RNA recovery was accounted for by using external and internal standards and enabled us to measure transcript levels by RT-PCR in a highly quantitative manner. Results: Of the ten genes, there were significantly higher levels only of one of the less abundant transcripts, PCA3, in cancerous versus non-cancerous prostate tissue whereas PSCA mRNA levels were significantly lower in cancerous versus histologically benign tissue. Advanced pathologic stage was associated with significantly higher expression of KLK15 and PCA3 mRNAs. Median transcript levels of the most abundantly expressed genes (i.e. MSMB, KLK3, KLK4 and KLK2) in prostate tissue were up to 10(5)-fold higher than those of other gene targets. Conclusions: PCA3 expression was associated with advanced pathological stage but the magnitude of overexpression of PCA3 in cancerous versus non-cancerous prostate tissue was modest compared to previously reported data. (C) 2013 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.}},
  author       = {{Vaananen, Riina-Minna and Lilja, Hans and Cronin, Angel and Kauko, Leni and Rissanen, Maria and Kauko, Otto and Kekki, Henna and Vidback, Siina and Nurmi, Martti and Alanen, Kalle and Pettersson, Kim}},
  issn         = {{1873-2933}},
  keywords     = {{Prostatic neoplasms; Reverse transcriptase polymerase chain reaction}},
  language     = {{eng}},
  number       = {{7-8}},
  pages        = {{670--674}},
  publisher    = {{Elsevier}},
  series       = {{Clinical Biochemistry}},
  title        = {{Association of transcript levels of 10 established or candidate-biomarker gene targets with cancerous versus non-cancerous prostate tissue from radical prostatectomy specimens}},
  url          = {{https://lup.lub.lu.se/search/files/1314012/4144985.pdf}},
  doi          = {{10.1016/j.clinbiochem.2013.01.019}},
  volume       = {{46}},
  year         = {{2013}},
}