Among the survivors, 75% (6 out of 8) of Ang II–infused Gch1fl/flTie2cre mice had classical features of AAA: aortic dilatation (50%; 4 out of 8 mice) and AAA formation (25%; 2 out of 8 mice; Figure 5D and 5E). This evidence concerns the gene AGT and Vascular dilatation.