12(S)-HETE is a mitogenic factor for microvascular endothelial cells: Its potential role in angiogenesis

Dean G. Tang, Colette Renaud, Sanja Stojakovic, Clement A. Diglio, Arther Porter, Kenneth V. Honn

Research output: Contribution to journalArticlepeer-review

95 Scopus citations

Abstract

12(S)-HETE [12(S)-hydroxyeicosatetraenoic acid] is a lipoxygenase metabolite of arachidonic acid. Treatment of murine-lung-derived microvascular endothelial cells (CD clone 4) with exogenous 12(S)-HETE promoted wound healing of injured endothelial cell monolayers. 12(S)-HETE, in a time- and dose-dependent manner, enhanced the growth of CD clone 4 cells. Thymidine incorporation assays demonstrated that 12(S)-HETE increased the DNA synthesis by > 4 fold. In addition, normal endothelial cell growth stimulated by serum could be dose-dependently inhibited by a select 12-lipoxygenase inhibitor (BHPP), suggesting that 12(S)-HETE is a physiological mitogenic factor for microvascular endothelial cells.

Original languageEnglish (US)
Pages (from-to)462-468
Number of pages7
JournalBiochemical and biophysical research communications
Volume211
Issue number2
DOIs
StatePublished - Jun 15 1995
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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