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RodrÃguez et al., Cardiovasc Res 2005
(Hypercholesterolemia) :
Vitamins C and E prevent endothelial VEGF and
VEGFR-2 overexpression
induced by porcine hypercholesterolemic
LDL ...
HC-LDL , with high cholesterol ( P < 0.05 ) and reduced tocopherol/cholesterol ratio ( P < 0.05 ),
increased significantly VEGF and
VEGFR-2 ( p < 0.001 ) in EC, associated with higher O ( 2 ) ( - ) and HIF-1 alpha expression, in comparison with C-LDL and HCV-LDL ... Our data suggest
HC-LDL induce endothelial VEGF and
VEGFR-2 overexpression at least by increasing oxidative stress, and HIF-1 alpha is one of the signaling mechanisms involved
Usui et al., EMBO Rep 2007
:
Here we report that native
LDL ( nLDL )
activates vascular endothelial growth factor ( VEGF ) receptor 1 ( VEGFR1 ) but not
VEGFR2 through LDLR and is as potent as VEGF in macrophage migration