COL4A2 and coronary artery disorder: Therefore, these 15 genes (LPL, COL4A2, PLG, CDKN2B, COL4A1, FES, FLT1, FN1, IL6R, LPA, PCSK9, PSRC1, SMAD3, SWAP70, and VAMP8) were considered as the most promising causal genes for CAD.