APOE and atherosclerosis: To study the role of the B2 bradykinin receptor (Bdkrb2) in atherosclerosis, we used (i) ApoE–/– mice with endogenously expressed Bdkrb2, (ii) ApoE–/– mice with Bdkrb2 deficiency, and (iii) ApoE–/– mice with moderately increased transgenic BDKRB2 expression level.