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Expression of CD68 in aorta in different experimental groups. a Photomicrographs showing CD68 in the Con group, the Lig group, the Lig-N group and the Lig-SRP group. ×100, scale bars 100 μm. ×200, scale bars 100 μm. ×400, scale bars 50 μm. Arrowheads immuno-reactive cells. b Graph showing the CD68 positive cell counts by fold in each group. *p < 0.05. c Relative gene expression levels of CD68 in aorta. *p < 0.05
