Free, esterified and total cholesterol in the M-CSF-differentiated macrophages cultivated under HIHG conditions. *: p < 0.03 for OxLDL-treated cells vs. Vehicle-treated cells. **: p < 0.05 for mmLDL- and nLDL-treated cells vs. Vehicle-treated cells. Data represent the means ± SEM of triplicates. Black bar – cholesterol ester, grey bar – free cholesterol, open bar – total cholesterol.