Genetic variation in UGT genes modify the associations of NSAIDs with risk of colorectal cancer: Colon cancer family registry

Dominique Scherer, Lisel M. Koepl, Elizabeth M. Poole, Yesilda Balavarca, Liren Xiao, John A. Baron, Li Hsu, Anna E. Coghill, Peter T. Campbell, Sarah E. Kleinstein, Jane C. Figueiredo, Johanna W. Lampe, Katharina Buck, John D. Potter, Richard J. Kulmacz, Mark A. Jenkins, John L. Hopper, Aung K. Win, Polly A. Newcomb, Cornelia M. UlrichKaren W. Makar

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The use of non-steroidal anti-inflammatory drugs (NSAIDs) is associated with reduced risk of colorectal neoplasia. Previous studies have reported that polymorphisms in NSAID-metabolizing enzymes central to NSAID metabolism including UDP-glucuronosyltransferases (UGT) and cytochrome P450 (CYP) 2C9 may modify this protective effect. We investigated whether 35 functionally relevant polymorphisms within CYP2C9 and UGT genes were associated with colorectal cancer risk or modified the protective effect of NSAIDs on colorectal cancer susceptibility, using 1,584 colorectal cancer cases and 2,516 unaffected sibling controls from the Colon Cancer Family Registry. A three-SNP genotype in UGT1A6 (G-A-A; Ala7-Thr181-Arg184) and the Asp85 variant in UGT2B15 increased the risk of colorectal cancer (OR 3.87; 95% CI 1.04-14.45 and OR 1.34; 95% CI 1.10-1.63, respectively). We observed interactions between UGT1A3 Thr78Thr (A>G) and NSAID use (P-interaction=0.02), a three-SNP genotype within UGT2B4 and ibuprofen use (P-interaction=0.0018), as well as UGT2B15 Tyr85Asp (T>G) and aspirin use (P-interaction=0.01). The interaction with the UGT2B4 and the UGT2B15 polymorphisms were noteworthy at the 25% FDR level. This study highlights the need for further pharmacogenetic studies to identify individuals who might benefit from NSAID use as part of developing effective strategies for prevention of colorectal neoplasia.

Original languageEnglish (US)
Pages (from-to)568-578
Number of pages11
JournalGenes Chromosomes and Cancer
Volume53
Issue number7
DOIs
StatePublished - Jul 2014
Externally publishedYes

ASJC Scopus subject areas

  • Genetics
  • Cancer Research

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