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Biochem Biophys Res Commun. 1991 Oct 31;180(2):1098-102.

Autocrinological role of basic fibroblast growth factor on tube formation of vascular endothelial cells in vitro.

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1
First Department of Medicine, Oita Medica College, Japan.

Abstract

When bovine capillary endothelial (BCE) cells plated on type I collagen gel were covered with a second layer of collage gel, BCE cells reorganized into a network of capillary-like structures. In the presence of affinity purified anti-basic fibroblast growth factor (bFGF) antibody, this reorganization was inhibited. By using a computerized image analyzer, the formation of network structures and the effect of anti-bFGF antibody was quantitated. The inhibitory effect of anti-FGF antibody was dose-dependent and maximal inhibition was observed at 2.0 micrograms/ml of antibody. Exogenously added bFGF potentiated network formation of BCE cells and coadministration of bFGF abrogated the inhibitory effect of anti-bFGF antibody. Platelet factor 4, which blocks the binding of bFGF to its receptor, inhibited network formation. These results indicate that bFGF produced by endothelial cells regulates angiogenesis as an autocrine factor.

PMID:
1719962
[Indexed for MEDLINE]
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