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. 2020 Apr 23;40(6):1559–1573. doi: 10.1161/ATVBAHA.120.314297

Figure 6.

Figure 6.

EP4 (prostaglandin E receptor 4) pathway induced IL (interleukin)-6 production and lysyl oxidase inhibition in human abdominal aortic aneurysm (AAA) vascular smooth muscle cells (VSMCs) and AAA tissues. A, IL-6 protein expression was measured by ELISA in human AAA (hAAA) VSMCs stimulated with the indicated drugs. n=5 to 8. B and C, Representative image and expression level of lysyl oxidase protein in supernatant of hAAA VSMCs stimulated with EP4 agonist. D, Elastica van Gieson–stained (EVG) and immunohistochemically stained sections of tissue from aorta and AAA. Scale bars=50 μm. E, Semiquantitative analysis of D in control aorta (hAorta) and hAAA. n=6 to 7. ND indicates not detected; and TAK1, transforming growth factor-β–activated kinase 1. *P<0.05, **P<0.01, ***P<0.001.