New mechanisms for steroid pro-atherogenic action: Up regulation of macrophage LDL receptors, down regulation of cholesterol efflux transporters and increase in intracellular cholesterol stores. Issue 1 (July 2015) - Greco, D.; Favari, E.; Adorni, M.P.; Zimetti, F.; Gatti, R.; Bernini, F.; Ronda, N.