MyD88-mediated signaling prevents development of adenocarcinomas of the colon

Role of interleukin 18

Rosalba Salcedo, Andrea Worschech, Marco Cardone, Yava Jones, Zsofia Gyulai, Ren Ming Dai, Ena Wang, Winnie Ma, Diana Haines, Colm O'hUigin, Francesco M. Marincola, Giorgio Trinchieri

Research output: Contribution to journalArticle

272 Citations (Scopus)

Abstract

Signaling through the adaptor protein myeloid differentiation factor 88 (MyD88) promotes carcinogenesis in several cancer models. In contrast, MyD88 signaling has a protective role in the development of azoxymethane (AOM)/dextran sodium sulfate (DSS) colitis-associated cancer (CAC). The inability of Myd88-/- mice to heal ulcers generated upon injury creates an altered inflammatory environment that induces early alterations in expression of genes encoding proinflammatory factors, as well as pathways regulating cell proliferation, apoptosis, and DNA repair, resulting in a dramatic increase in adenoma formation and progression to infiltrating adenocarcinomas with frequent clonal mutations in the β-catenin gene. Others have reported that toll-like receptor ( Tlr) 4-deficient mice have a similar susceptibility to colitis to Myd88-deficient mice but, unlike the latter, are resistant to CAC. We have observed that mice deficient for Tlr2 or Il1r do not show a differential susceptibility to colitis or CAC. However, upon AOM/DSS treatment Il18-/- and Il18r1-/- mice were more susceptible to colitis and polyp formation than wild-type mice, suggesting that the phenotype of Myd88-/- mice is, in part, a result of their inability to signal through the IL-18 receptor. This study revealed a previously unknown level of complexity surrounding MyD88 activities downstream of different receptors that impact tissue homeostasis and carcinogenesis.

Original languageEnglish
Pages (from-to)1625-1636
Number of pages12
JournalJournal of Experimental Medicine
Volume207
Issue number8
DOIs
Publication statusPublished - 2 Aug 2010
Externally publishedYes

Fingerprint

Myeloid Differentiation Factor 88
Interleukin-18
Colitis
Colon
Adenocarcinoma
Azoxymethane
Dextran Sulfate
Neoplasms
Interleukin-18 Receptors
Carcinogenesis
Catenins
Polyps
DNA Repair
Adenoma
Ulcer
Homeostasis
Cell Proliferation
Apoptosis
Phenotype
Gene Expression

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Medicine(all)

Cite this

Salcedo, R., Worschech, A., Cardone, M., Jones, Y., Gyulai, Z., Dai, R. M., ... Trinchieri, G. (2010). MyD88-mediated signaling prevents development of adenocarcinomas of the colon: Role of interleukin 18. Journal of Experimental Medicine, 207(8), 1625-1636. https://doi.org/10.1084/jem.20100199

MyD88-mediated signaling prevents development of adenocarcinomas of the colon : Role of interleukin 18. / Salcedo, Rosalba; Worschech, Andrea; Cardone, Marco; Jones, Yava; Gyulai, Zsofia; Dai, Ren Ming; Wang, Ena; Ma, Winnie; Haines, Diana; O'hUigin, Colm; Marincola, Francesco M.; Trinchieri, Giorgio.

In: Journal of Experimental Medicine, Vol. 207, No. 8, 02.08.2010, p. 1625-1636.

Research output: Contribution to journalArticle

Salcedo, R, Worschech, A, Cardone, M, Jones, Y, Gyulai, Z, Dai, RM, Wang, E, Ma, W, Haines, D, O'hUigin, C, Marincola, FM & Trinchieri, G 2010, 'MyD88-mediated signaling prevents development of adenocarcinomas of the colon: Role of interleukin 18', Journal of Experimental Medicine, vol. 207, no. 8, pp. 1625-1636. https://doi.org/10.1084/jem.20100199
Salcedo, Rosalba ; Worschech, Andrea ; Cardone, Marco ; Jones, Yava ; Gyulai, Zsofia ; Dai, Ren Ming ; Wang, Ena ; Ma, Winnie ; Haines, Diana ; O'hUigin, Colm ; Marincola, Francesco M. ; Trinchieri, Giorgio. / MyD88-mediated signaling prevents development of adenocarcinomas of the colon : Role of interleukin 18. In: Journal of Experimental Medicine. 2010 ; Vol. 207, No. 8. pp. 1625-1636.
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