Fig. 4From: Effects of coal-fired PM2.5 on the expression levels of atherosclerosis-related proteins and the phosphorylation level of MAPK in ApoE−/− miceEffect of coal-fired PM2.5 on the levels of proteins (a) vWF, (b) ET-1, (c) ICAM-1 (the brown areas are ICAM-1-positive cells, 400x magnification), and (d) E-selectin (the brown areas are E-selectin-positive cells, 400x magnification); compared with HFD control mice, *P < 0.05, **P < 0.01, n = 8Back to article page