Fig. 2

a Representative images of oil red O staining of the aortic arch of the mice, bar = 40 μm. b Representative images of H&E, oil red O, and Masson staining of aortic roots in ApoE^−/− and SDC4^−/− ApoE^−/− mice, bar = 300 μm. c Statistical analyses of the lesion area, lipid content, and collagen area in the aortic root,(n = 5 per group)