LDLR and atherosclerosis: As expected with the relatively short time of administration only during the last 5 weeks of a 16-week feeding period, there were no differences in the extent of atherosclerosis in the cross-sectional analyses of the aortic origin or in the entire aorta by en face analyses between atherosclerotic LDLR−/− mice treated with PBS or IL-13, respectively (Fig 1A and Table 1).