Gene-targeting studies have shown that Delta-like 4 (Dll4) is required for normal embryonic vascular remodeling, but the mechanisms underlying Dll4 regulatory functions are not well defined. We generated primary human umbilical vascular endothelial cells that express Dll4 protein to study Dll4 function and previously showed that Dll4 down-regulates vascular endothelial growth factor (VEGF) receptor 2 and NRP1 expression and inhibits VEGF function. We now report that expression of Dll4 in endo...Expand abstract
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Regulation of CXCR4 by the Notch ligand delta-like 4 in endothelial cells.
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