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Cancer Epidemiol Biomarkers Prev. 2013 Aug;22(8):1473-5. doi: 10.1158/1055-9965.EPI-13-0476. Epub 2013 May 23.

An assessment of the shared allelic architecture between type II diabetes and prostate cancer.

Author information

1
Department of Medicine, Division of Endocrinology, Jewish General Hospital, Montreal, Québec, Canada.

Abstract

BACKGROUND:

To determine whether the alleles that influence type II diabetes risk and glycemic traits also influence prostate cancer risk.

METHODS:

We used a multiple single-nucleotide polymorphisms (SNP) genotypic risk score to assess the average effect of alleles that increase type II diabetes risk or worsen glycemic traits on risk of prostate cancer in 19,662 prostate cancer cases and 19,715 controls from the Prostate Cancer Association Group to Investigate Cancer Associated Alterations in the Genome (PRACTICAL) consortium and 5,504 prostate cancer cases and 5,834 controls from the Cancer Research UK (CRUK) prostate cancer study.

RESULTS:

Calculating the average additive effect of type II diabetes or glycemic trait risk alleles on prostate cancer risk using a logistic model revealed no evidence of a shared allelic architecture between type II diabetes, or worsened glycemic status, with prostate cancer risk [OR for type II diabetes alleles: 1.00 (P = 0.58), fasting glycemia alleles: 1.00 (P = 0.67), HbA1c alleles: 1.00 (P = 0.93), 2-hour OGTT alleles: 1.01 (P = 0.14), and HOMA-B alleles: 0.99 (P = 0.57)].

CONCLUSIONS:

Using genetic data from large consortia, we found no evidence for a shared genetic etiology of type II diabetes or glycemic risk with prostate cancer.

IMPACT:

Our results showed that alleles influencing type II diabetes and related glycemic traits were not found to be associated with the risk of prostate cancer.

PMID:
23704474
PMCID:
PMC4158605
DOI:
10.1158/1055-9965.EPI-13-0476
[Indexed for MEDLINE]
Free PMC Article
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