Expression of pattern recognition receptor genes and mortality in patients with colorectal adenocarcinoma

Kathryn E. Royse, Liang Chen, David H. Berger, Michael M. Ittmann, Hashem B. El-Serag, Courtney J. Balentine, David Y. Graham, Peter A. Richardson, Rolando E. Rumbaut, Xiaoyun Shen, Donna L. White, Li Jiao

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Toll-like receptors (TLRs) and the receptor for advanced glycation end products (AGER) are pattern recognition receptors that regulate intestinal inflammatory homeostasis. However, their relevance in colorectal cancer (CRC) prognosis is unclear. We investigated expression of TLRs, AGER, and interacting proteins in association with CRC mortality in a retrospective cohort study of 65 males diagnosed with primary resectable CRC between 2002 and 2009. Multiplex quantitative nuclease protection assay was used to quantify the expression of 19 genes in archived tissues of tumor and paired adjacent normal mucosa. We evaluated the association between log2 (tumor/ normal) expression ratios for single and combined genes and all-cause mortality using multivariable Cox regression analysis. The false discovery rate adjusted q-value less than 0.10 indicated statistical significance for single gene. Five-year survival time was calculated from diagnosis of CRC to death, lost to follow-up, or December 31, 2014. Compared to paired normal mucosa, expression levels of AGER, IL1A, MYD88, and TLR5 were lower (q = 0.0002); while CXCL8 and S100P were higher (q = 0.0002) in tumor epithelia. Higher tumor expression of IL1A (HRadj =0.68, 95% CI: 0.49-0.94), IL6 (HRadj = 0.70, 95% CI: 0.52-0.94), MyD88 (HRadj = 0.53, 95% CI: 0.30-0.93), and TLR5 (HRadj = 0.71, 95% CI: 0.52-0.98) was associated with higher mortality risk. There was a synergistic effect on lower five-year survival in lower co-expressers of IL-6 and MyD88 (P < 0.0001). Our findings suggest that a TLRs/ MyD88-mediated inflammatory response may play a role in CRC prognosis. The role of pattern recognition receptormediated immunity in CRC mortality warrants further research.

Original languageEnglish (US)
Article numberIJMEG0050564
Pages (from-to)8-18
Number of pages11
JournalInternational Journal of Molecular Epidemiology and Genetics
Volume8
Issue number2
StatePublished - Jan 1 2017
Externally publishedYes

Fingerprint

Pattern Recognition Receptors
Colorectal Neoplasms
Adenocarcinoma
Mortality
Toll-Like Receptors
Genes
Interleukin-6
Neoplasms
Mucous Membrane
Nuclease Protection Assays
Advanced Glycosylation End Products
Lost to Follow-Up
Immunity
Homeostasis
Cohort Studies
Epithelium
Retrospective Studies
Regression Analysis
Gene Expression
Survival

Keywords

  • Colorectal neoplasms
  • Gene expression
  • Immune
  • Inflammation
  • Pattern recognition
  • Receptor for advanced glycation end-products
  • Receptors
  • Survival
  • Toll-like receptors
  • Tumor microenvironment

ASJC Scopus subject areas

  • Epidemiology
  • Genetics
  • Genetics(clinical)

Cite this

Royse, K. E., Chen, L., Berger, D. H., Ittmann, M. M., El-Serag, H. B., Balentine, C. J., ... Jiao, L. (2017). Expression of pattern recognition receptor genes and mortality in patients with colorectal adenocarcinoma. International Journal of Molecular Epidemiology and Genetics, 8(2), 8-18. [IJMEG0050564].

Expression of pattern recognition receptor genes and mortality in patients with colorectal adenocarcinoma. / Royse, Kathryn E.; Chen, Liang; Berger, David H.; Ittmann, Michael M.; El-Serag, Hashem B.; Balentine, Courtney J.; Graham, David Y.; Richardson, Peter A.; Rumbaut, Rolando E.; Shen, Xiaoyun; White, Donna L.; Jiao, Li.

In: International Journal of Molecular Epidemiology and Genetics, Vol. 8, No. 2, IJMEG0050564, 01.01.2017, p. 8-18.

Research output: Contribution to journalArticle

Royse, KE, Chen, L, Berger, DH, Ittmann, MM, El-Serag, HB, Balentine, CJ, Graham, DY, Richardson, PA, Rumbaut, RE, Shen, X, White, DL & Jiao, L 2017, 'Expression of pattern recognition receptor genes and mortality in patients with colorectal adenocarcinoma', International Journal of Molecular Epidemiology and Genetics, vol. 8, no. 2, IJMEG0050564, pp. 8-18.
Royse, Kathryn E. ; Chen, Liang ; Berger, David H. ; Ittmann, Michael M. ; El-Serag, Hashem B. ; Balentine, Courtney J. ; Graham, David Y. ; Richardson, Peter A. ; Rumbaut, Rolando E. ; Shen, Xiaoyun ; White, Donna L. ; Jiao, Li. / Expression of pattern recognition receptor genes and mortality in patients with colorectal adenocarcinoma. In: International Journal of Molecular Epidemiology and Genetics. 2017 ; Vol. 8, No. 2. pp. 8-18.
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