APOE and atherosclerosis: The microscopic examinations of the heart and aorta, the plasma cholesterol and measurement of the blood pressure after 90 days of exposure did not suggest any cardiovascular changes which could be associated with accelerated progression of atherosclerosis as suggested by Cao et al. [17] after 5 weekly i.t. instillations of Graphistrength© C100 in wild type and atherosclerosis-prone ApoE−/− transgenic mice.