Fig. 1: Schematic overview of key considerations in the design of cell therapies for treatment of AAA.

A Therapeutic cell types, their respective sources, and other considerations. B Cell delivery modalities. C Status of relevant clinical trials. D Common animal models and their general techniques. E The aortic wall layers and relevant cells. VSMCs vascular smooth muscle cells, MSCs mesenchymal stromal cells, ADSCs adipose-derived stem cells, iPSCs induced pluripotent stem cells, ECM extracellular matrix, EMT epithelial-to-mesenchymal transition, AAA abdominal aortic aneurysm, IV intravenous, PPE porcine pancreatic elastase, Ang II angiotensin II, ApoE−/− apolipoprotein E−/− Created in BioRender. Badawy, S. (2025) https://BioRender.com/zf2ju2q.