Figure 1. The AT1A-receptor is deleted from conduit vessels.
(A) Real time PCR performed on aorta stripped of adventitia and endothelium showed that mRNA for the AT1A-receptor was easily detected in aortae from control mice (black bars), but not from SMKOs (white bars)(n ≥ 3, ***P<0.0005 vs. control). AT1A mRNA expression in mesenteric arteries, with intact endothelium and adventitia, was decreased by 60% in SMKO mice compared to controls (n=5,*P<0.05). (B) No difference was seen in AT1B-receptor expression in the aorta between SMKOs and controls (n=3, P=NS).