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Title: Association of eleven common, low-penetrance colorectal cancer susceptibility genetic variants at six risk loci with clinical outcome
Authors: Hoskins, J.M.
Ong, P.-S. 
Keku, T.O.
Galanko, J.A.
Martin, C.F.
Coleman, C.A.
Wolfe, M.
Sandler, R.S.
McLeod, H.L.
Issue Date: 27-Jul-2012
Citation: Hoskins, J.M., Ong, P.-S., Keku, T.O., Galanko, J.A., Martin, C.F., Coleman, C.A., Wolfe, M., Sandler, R.S., McLeod, H.L. (2012-07-27). Association of eleven common, low-penetrance colorectal cancer susceptibility genetic variants at six risk loci with clinical outcome. PLoS ONE 7 (7) : -. ScholarBank@NUS Repository.
Abstract: Background: Low-penetrance genetic variants have been increasingly recognized to influence the risk of tumor development. Risk variants for colorectal cancer (CRC) have been mapped to chromosome positions 8q23.3, 8q24, 9p24.1, 10p14, 11q23, 14q22.2, 15q13, 16q22.1, 18q21, 19q13.1 and 20p12.3. In particular, the 8q24 single nucleotide polymorphism (SNP), rs6983267, has reproducibly been associated with the risk of developing CRC. As the CRC risk SNPs may also influence disease outcome, thus in this study, we evaluated whether they influence patient survival. Methodology/Principal Findings: DNA samples from 583 CRC patients enrolled in the prospective, North Carolina Cancer Care Outcomes Research and Surveillance Consortium Study (NC CanCORS) were genotyped for 11 CRC susceptibility SNPs at 6 CRC risk loci. Relationships between genotypes and patient survival were examined using Cox regression analysis. In multivariate analysis, patients homozygous for the CRC risk allele of rs7013278 or rs7014346 (both at 8 q24) were only nominally significant for poorer overall survival compared to patients homozygous for the protective allele (hazard ratio = 2.20 and 1.96, respectively; P
Source Title: PLoS ONE
ISSN: 19326203
DOI: 10.1371/journal.pone.0041954
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