Previous studies of Malat1 have focused on cancer research, particularly with respect to breast cancer invasion and metastasis.17 In cardiovascular studies, it has been reported that Malat1 might play roles in stenotic vascular diseases and intracranial aneurysm.18,19 Until now, none of the existing studies had revealed the role of Malat1 in classic AngII-induced AAA model. Here, MALAT1 is linked to breast cancer.