Single Nucleotide Polymorphisms and the Likelihood of Prostate Cancer at a Given Prostate Specific Antigen Level

Stacy Loeb, H. Ballentine Carter, Patrick C. Walsh, William B. Isaacs, Anna Kettermann, Toshiko Tanaka, Luigi Ferrucci, E. Metter

Research output: Contribution to journalArticle

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Abstract

Purpose: Prostate specific antigen is used for prostate cancer screening but its specificity is limited. Specificity might be increased by considering genotype associated prostate specific antigen levels. Materials and Methods: We examined associations between single nucleotide polymorphisms on chromosomes 10 and 19 (previously shown to be associated with prostate specific antigen) with prostate specific antigen and prostate cancer in 505 men from the Baltimore Longitudinal Study of Aging. Results: In a model with age and date the risk ratio for prostate cancer was 1.18 (95% CI 1.13-1.23) per unit increase in prostate specific antigen. Including the interaction between alleles and prostate specific antigen significantly altered the risk ratio for prostate cancer (Cox proportional hazards p <0.001). Specifically prostate cancer risk per unit increase in prostate specific antigen was significantly different in carriers than in noncarriers of a minor allele (1.28 vs 1.10, respectively, Cox proportional hazards p <0.001), whereas men with a minor allele had a significantly higher risk of prostate cancer at prostate specific antigen levels greater than 6 ng/ml. Conclusions: Our data suggest that genotype influences the risk of prostate cancer per unit increase in prostate specific antigen. Prostate cancer risk stratification using prostate specific antigen and genotype could improve prostate specific antigen test performance.

Original languageEnglish (US)
Pages (from-to)101-105
Number of pages5
JournalJournal of Urology
Volume182
Issue number1
DOIs
StatePublished - Jul 1 2009
Externally publishedYes

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Prostate-Specific Antigen
Single Nucleotide Polymorphism
Prostatic Neoplasms
Alleles
Genotype
Odds Ratio
Chromosomes, Human, Pair 19
Chromosomes, Human, Pair 10
Baltimore
Early Detection of Cancer
Longitudinal Studies

All Science Journal Classification (ASJC) codes

  • Urology

Cite this

Single Nucleotide Polymorphisms and the Likelihood of Prostate Cancer at a Given Prostate Specific Antigen Level. / Loeb, Stacy; Carter, H. Ballentine; Walsh, Patrick C.; Isaacs, William B.; Kettermann, Anna; Tanaka, Toshiko; Ferrucci, Luigi; Metter, E.

In: Journal of Urology, Vol. 182, No. 1, 01.07.2009, p. 101-105.

Research output: Contribution to journalArticle

Loeb, S, Carter, HB, Walsh, PC, Isaacs, WB, Kettermann, A, Tanaka, T, Ferrucci, L & Metter, E 2009, 'Single Nucleotide Polymorphisms and the Likelihood of Prostate Cancer at a Given Prostate Specific Antigen Level', Journal of Urology, vol. 182, no. 1, pp. 101-105. https://doi.org/10.1016/j.juro.2009.02.126
Loeb, Stacy ; Carter, H. Ballentine ; Walsh, Patrick C. ; Isaacs, William B. ; Kettermann, Anna ; Tanaka, Toshiko ; Ferrucci, Luigi ; Metter, E. / Single Nucleotide Polymorphisms and the Likelihood of Prostate Cancer at a Given Prostate Specific Antigen Level. In: Journal of Urology. 2009 ; Vol. 182, No. 1. pp. 101-105.
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