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Figure 1 Expression of intercellular adhesion molecule-1 (ICAM-1) (A) and vascular cell adhesion molecule-1 (VCAM-1) (B) by activated human umbilical vein endothelial cells after incubation with high-density lipoprotein (HDL) isolated after a meal enriched with a polyunsaturated (open bars) or saturated (gray bars) fat. Cells were incubated with HDL at an apolipoprotein A-I concentration of 8 µmol/l. Results are expressed as percentage of expression in the presence of HDL isolated from fasting blood (solid bars) (mean ± SEM). For difference between the meals: *p = 0.007; **p = 0.005. A significant meal-time period interaction was found for both ICAM-1 (p = 0.01) and VCAM-1 (p = 0.04).