In the AngII model (Supplementary Figure 9), aneurysms progressed from a mean baseline volume of 10.0 ± 1.2 to 17.6 ± 6.3 mm3 within 8 days to an end volume of 23.7 ± 13.3 mm3 after 4 weeks, which related to 181 ± 62 and 242 ± 122% growth of volume, respectively. Here, AGT is linked to aneurysm.