Inflammatory mediators and nuclear receptor signaling in colorectal cancer

Dingzhi Wang, Raymond N. DuBois

Research output: Contribution to journalReview article

28 Scopus citations

Abstract

Long-term use of cyclooxygenase (COX) inhibitors (NSAIDs) in humans leads to a 50% reduction in risk for colorectal cancer. However, prolonged use of COX-2 selective inhibitors (coxibs) increases cardiovascular toxicity in some individuals, which highlights the importance of identifying all of the molecular targets that drive progression of colorectal cancer. Colorectal cancer offers a unique model to study the synergistic induction of intestinal neoplasia via dysregulation of multiple signaling pathways. Emerging evidence demonstrates that the peroxisome proliferator-activated receptor δ(PPARδ) is a focal point of crosstalk between the signaling cascades involved in the progression of colorectal cancer. More importantly, activation of PPARδ can promote tumor growth by inhibiting epithelial tumor cell apoptosis via a VEGF autocrine signaling loop. These findings may provide a rationale for the development of PPARδ antagonists for cancer prevention and/or treatment.

Original languageEnglish (US)
Pages (from-to)682-685
Number of pages4
JournalCell Cycle
Volume6
Issue number6
DOIs
StatePublished - Mar 15 2007

Keywords

  • Adenomatous polyposis coli
  • Colorectal cancer
  • Cyclooxygenase-2
  • Peroxisome proliferator-activated receptor δ
  • Prostaglandin E2
  • VEGF

ASJC Scopus subject areas

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

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