(A) Dissected mouse aorta demonstrating lipid-rich plaques in brachiocephalic artery after 4 months of high fat diet compared to the normal diet in Apoe-/- mice. (b) (d) Cross-section of brachiocephalic artery from (a) (c) stained with Oil Red O. L: lumen. Scale bar: 4 mm. 3 mice per group. 