Association Between Genetic Variants in the 8q24 Cancer Risk Regions and Circulating Levels of Androgens and Sex Hormone-binding Globulin

Overview

Journal Cancer Epidemiol Biomarkers Prev

Specialties Biochemistry
Oncology
Public Health

Date 2010 Jun 17

PMID 20551303

Citations 7

Authors

Lisa W Chu

Tamra E Meyer

Qizhai Li

Idan Menashe

Kai Yu

Philip S Rosenberg

Wen-Yi Huang

Sabah M Quraishi

Rudolf Kaaks

Jocelyn M Weiss

Richard B Hayes

Stephen J Chanock

Ann W Hsing

Affiliations

Soon will be listed here.

Abstract

Background: Genome-wide association studies have identified multiple independent regions on chromosome 8q24 that are associated with cancers of the prostate, breast, colon, and bladder.

Methods: To investigate their biological basis, we examined the possible association between 164 single nucleotide polymorphisms (SNPs) in the 8q24 risk regions spanning 128,101,433-128,828,043 bp, and serum androgen (testosterone, androstenedione, 3alphadiol G, and bioavailable testosterone), and sex hormone-binding globulin levels in 563 healthy, non-Hispanic, Caucasian men (55-74 years old) from a prospective cohort study (the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial). Age-adjusted linear regression models were used to determine the association between the SNPs in an additive genetic model and log-transformed biomarker levels.

Results: Three adjacent SNPs centromeric to prostate cancer risk-region 2 (rs12334903, rs1456310, and rs980171) were associated with testosterone (P < 1.1 x 10(-3)) and bioavailable testosterone (P < 6.3 x 10(-4)). Suggestive associations were seen for a cluster of nine SNPs in prostate cancer risk region 1 and androstenedione (P < 0.05).

Conclusions: These preliminary findings require confirmation in larger studies but raise the intriguing hypothesis that genetic variations in the 8q24 cancer risk regions might correlate with androgen levels.

Impact: These results might provide some clues for the strong link between 8q24 and prostate cancer risk.

Citing Articles

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RANK rs1805034 T>C polymorphism is associated with susceptibility of esophageal cancer in a Chinese population.

Yin J, Wang L, Tang W, Wang X, Lv L, Shao A PLoS One. 2014; 9(7):e101705.

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Sex hormone-binding globulin (SHBG) expression in ovarian carcinomas and its clinicopathological associations.

Huang R, Ma Y, Holm R, Trope C, Nesland J, Suo Z PLoS One. 2014; 8(12):e83238.

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Ney J, Juhasz-Boess I, Gruenhage F, Graeber S, Bohle R, Pfreundschuh M BMC Cancer. 2013; 13:40.

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