Published online 10 April 2006 doi:10.1084/jem.20060218
Rockefeller University Press, 0022-1007 $8.00
JEM, Volume 203, Number 4, 813-816
Lipoprotein oxidation in cardiovascular disease: chief culprit or innocent bystander?
Jay W. Heinecke
J.W.H. is at Department of Medicine, University of Washington School of Medicine, Seattle, WA 98195.
CORRESPONDENCE J.W.H.: heinecke{at}u.washington.edu.
Abstract
Oxidation of low-density lipoprotein (LDL) is thought to contribute to atherosclerosis and cardiovascular disease. Consistent with this idea, the antioxidant drug probucol reduces the risk of restenosis, a form of cardiovascular disease, in humans. However, a new study now suggests that the protective effect of probucol depends not on its ability to inhibit lipid oxidation, but on its ability to induce the stress-induced antiinflammatory enzyme heme oxygenase (HO)-1. This might explain why other antioxidants, such as vitamin E, fail to prevent cardiovascular disease in humans.

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