To achieve sufficient numbers of mice that survived from Ang-II infusion and for AAA lesion analysis, we used 30 Apoe−/− mice and 15 Apoe−/−Fcer1a−/− mice to provide 18 Apoe−/− and 12 Apoe−/−Fcer1a−/− survivors after 28 days of Ang-II infusion. Here, APOE is linked to triple-A syndrome.