Plasma levels of six angiogenesis-related proteins (ANGPT-1, ANGPT-2, TGF-alpha, TGF-beta 1, VEGF-A, and VEGF-C) were analyzed in 40 patients with AAA (AAA group) and 20 healthy controls (control group) using the ELISA method. Here, ANGPT2 is linked to triple-A syndrome.