APOE and atherosclerosis: To unveil genes that are differentially expressed in atherosclerosis, mRNAs from the aortas of 40‐week‐old atherosclerosis‐prone ApoE−/− mice (N = 4) were compared with aortas of sex‐ and age‐matched WT mice (N = 4) fed with chow diet to avoid spontaneous plaque formation.