Evidence map›Paper›PMID 21421545›Full record

ArticleCarcinogenesis2011

Association of KLK3 (PSA) genetic variants with prostate cancer risk and PSA levels.

Kathryn L Penney, Fredrick R Schumacher, Peter Kraft, Lorelei A Mucci, Howard D Sesso, Jing Ma, Yuxin Niu, Jit Kong Cheong, David J Hunter, Meir J Stampfer and 1 more

Open access · hybridAbstract readComparative Study
In one paragraph

Article in Carcinogenesis, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.6field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 46 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 5 institutions in 2 countries.

Kathryn L PenneyDepartment of Epidemiology, Harvard School of Public Health, Boston, MA 02115, USA. kpenney@hsph.harvard.edu
Fredrick R Schumacher
Peter Kraft
Lorelei A Mucci
Howard D Sesso
Jing Ma
Yuxin Niu
Jit Kong Cheong
David J Hunter
Meir J Stampfer
Stephen I Hsu
Brigham and Women's Hospital · USDuke-NUS Medical School · SGHarvard University · USUniversity of Florida · USUniversity of Southern California · US

Funding

Training Program in Cancer EpidemiologyT32CA009001 · NCI · HARVARD UNIVERSITY (SCH OF PUBLIC HLTH) · PI A. Heather Eliassen, Meir Stampfer · 1985 to 2026
$17.3M
Physicians' Health Study II: Prevention Trial of VitaminsR01CA097193 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI GAZIANO, J. MICHAEL · 2002 to 2011
$15.7M
AN NCRR CENTER FOR HIGH THROUGHPUT SNP GENOTYPING AND ANALYSIS: GAIN NETWORKU54RR020278 · NCRR · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI GABRIEL, STACEY · 2004 to 2008
$14.4M
NUTRITIONAL BIOCHEMISTRY MARKERS OF CANCER AND MIR01CA042182 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI MA, JING · 1986 to 2007
$5.3M
Growth Factors and Lethal Prostate Cancer SignatureR01CA141298 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI STAMPFER, MEIR · 2010 to 2013
$2.2M
Calcium Channel CaT 1 in Prostate Cancer PreventionR01CA101075 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI HSU, STEPHEN I-HONG · 2003 to 2007
$1.5M
RANDOMIZED TRIAL OF ASPIRIN AND MORTALITYR01CA040360 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI BURING, JULIE E · 1985 to 2002
$775k
TRIAL OF ASPIRIN AND BETA-CAROTENE IN U S MD'SR01HL034595 · NHLBI · BRIGHAM AND WOMEN'S HOSPITAL · PI BURING, JULIE E · 1985 to 1991
–
NCI NIH HHS CA-097193NCI NIH HHS CA-101075NCI NIH HHS CA141298NCI NIH HHS CA-34944NCI NIH HHS CA-40360NCI NIH HHS CA-42182NCI NIH HHS R01 CA034944NCI NIH HHS R01 CA040360NCI NIH HHS R01 CA042182NCI NIH HHS R01 CA097193NCI NIH HHS R01 CA101075NCI NIH HHS R01 CA141298NCI NIH HHS T32 CA009001-32NCRR NIH HHS U54 RR020278NHLBI NIH HHS HL-26490NHLBI NIH HHS HL-34595NHLBI NIH HHS R01 HL026490NHLBI NIH HHS R01 HL034595
6 · The paper itself

Abstract

Genome-wide association studies have identified genetic markers in kallikrein-related peptidase 3 (KLK3) associated with prostate cancer. However, some of these markers are also associated with prostate-specific antigen (PSA) levels, so it is unclear whether the polymorphisms are causal or if the association with risk is solely due to detection bias through PSA screening. PSA is a biologically active serine protease, cleaving insulin-like growth factor-binding protein. We examined the association of single-nucleotide polymorphisms (SNPs) in KLK3 with prostate cancer risk, disease-specific survival and pre-diagnostic PSA levels in a case-control study nested within the Physicians' Health Study, which began in 1982, with over 27 years of follow-up. We genotyped SNPs spanning the entire KLK3 locus to capture common variation at high resolution. Six polymorphisms were significantly associated with prostate cancer incidence (P < 0.05); the odds ratios per minor allele ranged from 0.88 to 0.73. For four of these, the odds ratios were lower when restricting to cases diagnosed in the pre-PSA screening era (before 1989). The four alleles significantly associated with lower PSA levels were also associated with lower prostate cancer risk. KLK3 variants were not significantly associated with stage at diagnosis, risk of lethal cancer or survival. Our results suggest that detection bias due to the association of KLK3 variants with PSA levels cannot completely explain the association with prostate cancer risk. Understanding the mechanism by which genetic variation in KLK3 affects prostate cancer risk has important implications for study of the biological role of PSA in prostate tumorigenesis.

Indexed as

Genetic Predisposition to DiseaseAgedCase-Control StudiesDouble-Blind MethodGenetic MarkersGenome-Wide Association StudyGenotypeHumansKallikreinsMaleMiddle AgedPolymorphism, Single NucleotidePrognosisProstateProstate-Specific AntigenProstatic NeoplasmsGenetic MarkersKallikreinsKLK3 protein, humanProstate-Specific Antigen

Identifiers

PMID21421545
PMCPMC3106437
OpenAlexW2145234083

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.