CCL2 and atherosclerosis: As shown in Figure 2, treatment of AceK at various doses in RAW264.7 for 24 h, the expressions of Tnfa (Figure 2A), Ccl2 (Figure 2B) and Il-6 (Figure 2C) showed no significant differences between AceK treated and untreated groups, implying inflammation might not be involved in AceK-accelerated atherosclerosis.