CXCL8 and coronary artery disorder: Numerous reports have demonstrated a close relationship between level of hs-CRP, monocyte chemoattractant protein 1 (MCP-1), interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor (TNF)-α with pathogenesis of coronary heart disease [5, 6].