TNF and atherosclerosis: To test if these effects are reversible, after 8 days of recovery following removal of eLDL or TNFα in the perfusion media, 70% of baseline vasoactive function was recovered, a possible indication of significant recovery from eLDL specific vasoactivity changes in the early stages of atherosclerosis by correction of eLDL levels alone (Fig. 3c-ii to c-iv).