IL12B and triple-A syndrome: Consistently, iNOS, IL‐6, IL‐12A, IL‐12B and TNF‐α mRNA expression was also increased in the aortic tissues of Ang II‐infused AAA mouse models at both mRNA and protein level (Figures S1,S2D, respectively), M1 macrophages remarkably increased in Ang II‐infused abdominal aortas indicated by immunofluorescence co‐staining of CD68 and iNOS (Figure 2E).