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The delivery targets of NPs. The nanoparticles were delivered to the AAA lesion targeting elastin, vascular inflammation, collagen, VSMCs, MMP, and macrophage. EL, elastin; NP, nanoparticle; AuNP, gold nanoparticle; RGD, Arg-Gly-Asp; HFn, human ferritin; USPIO, ultrasmall superparamagnetic particles of iron oxide; CAN-35, collagen-binding protein; VSMC, vascular smooth muscle cell; MMP, matrix metalloproteinase.
