Article
Polymorphisms influencing prostate-specific antigen concentration may bias genome-wide association studies on prostate cancer.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology - 1 Jan 2015
Dluzniewski Paul J, Xu Jianfeng, Ruczinski Ingo, Isaacs William B, Platz Elizabeth A
Abstract excerpt
BACKGROUND: Genome-wide association studies (GWAS) have produced weak (OR = 1.1-1.5) but significant associations between single nucleotide polymorphisms (SNPs) and prostate cancer. However, these associations may be explained by detection bias caused by SNPs influencing PSA concentration. Thus, in a simulation study, we quantified the extent of bias in the association between a SNP and prostate cancer when the...
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