Polymorphisms in genes related to inflammation and obesity and colorectal adenoma risk

Brian Z. Huang, Konstantinos K. Tsilidis, Michael W. Smith, Judith Hoffman-Bolton, Kala Visvanathan, Elizabeth A Platz, Corinne E. Joshu

Research output: Contribution to journalArticle

Abstract

We previously investigated the association between single nucleotide polymorphisms (SNPs) in genes related to obesity and inflammation and colorectal cancer in the CLUE II cohort. However, the relationships between these SNPs and colorectal adenomas have not been well evaluated. In a nested case-control study of 135 incident adenoma cases and 269 matched controls in the CLUE II cohort (1989-2000), we genotyped 17 candidate SNPs in 12 genes (PPARG, TCF7L2, ADIPOQ, LEP, IL10, CRP, TLR4, IL6, IL1B, IL8, TNF, RNASEL) and 19 tagSNPs in three genes (IL10, CRP, and TLR4). Conditional logistic regression was used to calculate odds ratios (OR) for adenomas (overall and by size, histology, location, number). Polymorphisms in the inflammatory-related genes CRP, ADIPOQ, IL6, and TLR4 were observed to be associated with adenoma risk. At rs1205 in CRP, T (minor allele) carriers had a higher risk (OR 1.67, 95%CI 1.07-2.60; reference: CC) of adenomas overall and adenomas with aggressive characteristics. At rs1201299 in ADIPOQ, the AC genotype had a higher risk (OR 1.58, 95%CI 1.00-2.49) of adenomas, while the minor AA genotype had a borderline inverse association (OR 0.44, 95%CI 0.18-1.08; reference: CC). At rs1800797 in IL6, the AA genotype had a borderline inverse association (OR 0.53, 95%CI 0.27-1.05; reference: GG). Three TLR4 tagSNPs (rs10116253, rs1927911, rs7873784) were associated with adenomas among obese participants. None of these SNPs were associated with colorectal cancer in our prior study in CLUE II, possibly suggesting a different genetic etiology for early colorectal neoplasia.

Original languageEnglish (US)
Pages (from-to)1278-1288
Number of pages11
JournalMolecular Carcinogenesis
Volume57
Issue number10
DOIs
StatePublished - Oct 1 2018

Fingerprint

Adenoma
Obesity
Inflammation
Odds Ratio
Genes
Single Nucleotide Polymorphism
Interleukin-6
Genotype
Interleukin-10
Colorectal Neoplasms
Interleukin-8
Case-Control Studies
Histology
Logistic Models
Alleles
Neoplasms

Keywords

  • adenoma
  • colorectal
  • inflammation
  • obesity
  • polymorphism

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research

Cite this

Polymorphisms in genes related to inflammation and obesity and colorectal adenoma risk. / Huang, Brian Z.; Tsilidis, Konstantinos K.; Smith, Michael W.; Hoffman-Bolton, Judith; Visvanathan, Kala; Platz, Elizabeth A; Joshu, Corinne E.

In: Molecular Carcinogenesis, Vol. 57, No. 10, 01.10.2018, p. 1278-1288.

Research output: Contribution to journalArticle

Huang, Brian Z. ; Tsilidis, Konstantinos K. ; Smith, Michael W. ; Hoffman-Bolton, Judith ; Visvanathan, Kala ; Platz, Elizabeth A ; Joshu, Corinne E. / Polymorphisms in genes related to inflammation and obesity and colorectal adenoma risk. In: Molecular Carcinogenesis. 2018 ; Vol. 57, No. 10. pp. 1278-1288.
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