Figure 1. A) Southern blot analysis of thioglycollate-elicited peritoneal macrophages. B) Aortic atherosclerotic lesion area in Rb^fl (closed circles, n=13) and Rb^del (open circles, n=17) mice. Line represents mean area for each group. C) Lesion classification of Rb^fl (black bars) and Rb^del (white bars) mice. *P < 0.05.