AntagomiR-150-5p delivery attenuated the aortic wall expansion in rat AAA. (A). Representative images showing the diameters of the aortas in Cacl2-induced AAA and elastase-induced AAA, scale bar, 3 mm. (B). Diameters of the aortas analysis in Cacl2-induced AAA and elastase-induced AAA. ∗∗∗P < 0.001, Vs. sham group, #P < 0.05 Vs. AAA group. (C). Representative two-dimensional ultrasound images of aortas in Cacl2-induced AAA and elastase-induced AAA. (D). Representative HE images of aortas in Cacl2-induced AAA and elastase-induced AAA, scale bar, 200 μm. (E). Images of Orcein staining in AAA models, scale bar, 200 μm. (F). Analysis of Orcein staining in AAA models, n = 6-10, ∗∗∗P < 0.001, Vs. sham group; ###P < 0.001 Vs. AAA group.