Fig. 6
Male PRΔPrx1-CIA mice had more severe knee joint erosion and cartilage damages. (a) Representative H&E-stained knee histologic images from female or (b) male in WT or PRΔPrx1 normal or CIA mice. (c) Semi-quantitation of inflammation, subchondral bone erosion, and cartilage damage of the knee joints. Black stars indicate inflamed synovial tissue. *p < 0.05 between indicated groups. Scale bar = 100 μm