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FEBS Lett. 1999 Apr 9;448(2-3):249-53.

Angiopoietin-1 is an apoptosis survival factor for endothelial cells.

Author information

1
National Creative Research Initiatives Center for Cardiac Regeneration and Institute of Cardiovascular Research, Chonbuk National University School of Medicine, Chonju, South Korea.

Abstract

We examined the effect of angiopoietin-1 (Ang1) on apoptosis in human umbilical vein endothelial cells (HUVECs). Ang1 (5-1000 ng/ml) dose-dependently inhibited apoptosis under a serum-deprived state. A significant apoptotic inhibition occurred with as low as 50 ng/ml. Two hundred ng/ml of Ang1 inhibited to approximately 50% of the control apoptotic rates for 96 h. Furthermore, an augmented antiapoptotic effect of Ang1 by the addition of 20 ng/ml vascular endothelial growth factor was observed. This Ang1-induced strong antiapoptotic effect in endothelial cells is a novel and intriguing finding and could be an additional description of Ang1-induced direct biological function.

PMID:
10218485
DOI:
10.1016/s0014-5793(99)00378-6
[Indexed for MEDLINE]
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