Effects of VEGF
and QK on the vasomotor responses of 12 common carotid arteries from normotensive rats (A). Both VEGF165 and QK induced a comparable vasorelaxation, while VEGF15, has no evident effect. After removal of the endothelial layer there is no appreciable vasorelaxation (B). * = p < 0.05 vs VEGF15. Error bars show SEM.