They found six biomarkers that are suspected to increase the risk of CAD (lipoprotein[a], apolipoprotein E, interleukin-6 receptor, stromal cell−derived factor 1 [CXCL12], apolipoprotein C3, and macrophage colony-stimulating factor 1 [CSF1]). Here, CXCL12 is linked to coronary artery disorder.