Endothelial cell growth factor and ionophore A23187 stimulation of production of inositol phosphates in porcine aorta endothelial cells.

TitleEndothelial cell growth factor and ionophore A23187 stimulation of production of inositol phosphates in porcine aorta endothelial cells.
Publication TypeJournal Article
Year of Publication1988
AuthorsMoscat J, Moreno F, Herrero C, Lopez C, Garcia-Barreno P
JournalProc Natl Acad Sci U S A
Volume85
Issue3
Pagination659-63
Date Published1988 Feb
ISSN0027-8424
KeywordsAnimals, Aorta, Calcimycin, Calcium, Cells, Cultured, Endothelium, Vascular, Fibroblast Growth Factors, Inositol Phosphates, Stimulation, Chemical, Sugar Phosphates, Swine, Type C Phospholipases
Abstract

The existence of a bovine brain-derived endothelial cell growth factor has recently been reported, but its mode of action is unknown. We show that the endothelial cell growth factor is a potent stimulant of inositol monophosphate release in porcine aorta endothelial cells. Although the activation of phospholipase C by this factor does not appear to be dependent on Ca2+, the Ca2+ ionophore A23187 stimulates release of inositol phosphates. It is suggested that the inositol 1,4,5-trisphosphate 3-kinase/5-phosphomonoesterase pathway could account for the ionophore-induced changes in inositol 1,3,4-triphosphate.

DOI10.1073/pnas.85.3.659
Alternate JournalProc Natl Acad Sci U S A
PubMed ID3124109
PubMed Central IDPMC279614
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