Ets-1 expression in vascular endothelial cells as an angiogenic and prognostic factor in colorectal carcinoma

Int Surg. 2003 Jan-Mar;88(1):25-33.

Abstract

We investigated Ets-1 expression and its influence on angiogenesis and survival using immunohistochemistry of surgical specimens from 95 patients of colorectal cancer. The expression rate of Ets-1 was 48.4% of all cases in cancer cells, 65.3% in endothelial cells, and 28.4% in stromal cells. The microvessel density in patients with vascular Ets-1 expression was significantly higher than that in patients without the expression. A significant positive correlation was discovered between the Ets-1 vascular expression and vascular endothelial growth factor (VEGF) expression, or pyrimidine nucleoside phosphorylase (dThdPase) activity in the tumor. The positivity of vascular Ets-1 expression was higher in node-positive patients and in M1 patients. The survival rate was significantly lower in those cases positive for vascular Ets-1. Angiogenic factors such as VEGF might be involved in tumor angiogenesis through the Ets-1 vascular expression. The Ets-1 vascular expression may be a prognostic factor for colorectal cancer.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Colorectal Neoplasms / metabolism*
  • Colorectal Neoplasms / mortality
  • Colorectal Neoplasms / pathology
  • Endothelium, Vascular / cytology*
  • Female
  • Humans
  • Immunohistochemistry
  • Male
  • Middle Aged
  • Neovascularization, Pathologic / metabolism*
  • Pentosyltransferases / metabolism
  • Prognosis
  • Proto-Oncogene Protein c-ets-1
  • Proto-Oncogene Proteins / metabolism*
  • Proto-Oncogene Proteins c-ets
  • Pyrimidine Phosphorylases
  • Survival Analysis
  • Transcription Factors / metabolism*
  • von Willebrand Factor / metabolism

Substances

  • ETS1 protein, human
  • Proto-Oncogene Protein c-ets-1
  • Proto-Oncogene Proteins
  • Proto-Oncogene Proteins c-ets
  • Transcription Factors
  • von Willebrand Factor
  • Pentosyltransferases
  • Pyrimidine Phosphorylases