Genome-wide search for determinants of survival in 1,926 patients with advanced colorectal cancer with follow-up in over 22,000 patients

Wills, Christopher, He, Yazhou, Summers, Matthew G., Lin, Yi, Phipps, Amanda I., Watts, Katie, Law, Philip J., Al-Tassan, Nada A., Maughan, Timothy S., Kaplan, Richard, Houlston, Richard S., Peters, Ulrike, Newcomb, Polly A., Chan, Andrew T., Buchanan, Daniel D., Gallinger, Steve, Marchand, Loic L., Pai, Rish K., Shi, Qian, Alberts, Steven R., Gray, Victoria, West, Hannah D. ORCID: https://orcid.org/0000-0002-6104-6534, Escott-Price, Valentina ORCID: https://orcid.org/0000-0003-1784-5483, Dunlop, Malcolm G. and Cheadle, Jeremy ORCID: https://orcid.org/0000-0001-9453-8458 2021. Genome-wide search for determinants of survival in 1,926 patients with advanced colorectal cancer with follow-up in over 22,000 patients. European Journal Of Cancer 159 , pp. 247-258. 10.1016/j.ejca.2021.09.047 Item availability restricted.

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Abstract

Background While genome-wide association studies (GWAS) have identified germline variants influencing the risk of developing colorectal cancer (CRC), there has been limited examination of the possible role of inherited variation as a determinant of patient outcome. Patients and methods We performed a GWAS for overall survival (OS) in 1926 patients with advanced CRC from the COIN and COIN-B clinical trials. For single nucleotide polymorphisms (SNPs) showing an association with OS (P < 1.0 × 10−5), we conducted sensitivity analyses based on the time from diagnosis to death and sought independent replications in 5675 patients from the Study of Colorectal Cancer in Scotland (SOCCS) and 16,964 patients from the International Survival Analysis in Colorectal cancer Consortium (ISACC). We analysed the Human Protein Atlas to determine if ERBB4 expression was associated with survival in 438 patients with colon adenocarcinomas. Results The most significant SNP associated with OS was rs79612564 in ERBB4 (hazard ratio [HR] = 1.24, 95% confidence interval [CI] = 1.16–1.32, P = 1.9 × 10−7). SNPs at 17 loci had suggestive associations for OS and all had similar effects on the time from diagnosis to death. No lead SNPs were independently replicated in the meta-analysis of all patients from SOCCS and ISACC. However, rs79612564 was significant in stage-IV patients from SOCCS (P = 2.1 × 10−2) but not ISACC (P = 0.89) and SOCCS combined with COIN and COIN-B attained genome-wide significance (P = 1.7 × 10−8). Patients with high ERBB4 expression in their colon adenocarcinomas had worse survival (HR = 1.50, 95% CI = 1.1–1.9, P = 4.6 × 10−2). Conclusions Genetic and expression data support a potential role for rs79612564 in the receptor tyrosine kinase ERBB4 as a predictive biomarker of survival.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	Elsevier
ISSN:	0014-2964
Date of First Compliant Deposit:	4 November 2021
Date of Acceptance:	26 September 2021
Last Modified:	27 Jun 2024 16:26
URI:	https://orca.cardiff.ac.uk/id/eprint/145293

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