CXCL12 and coronary atherosclerosis: Additionally, we found nominal associations between ABCA1, CD163, and CXCL12 GREX with ischemic heart disease, coronary atherosclerosis, and myocardial infarction in individuals of European ancestry and nominal associations between ABCA1 and CXCL12 GREX with ischemic heart disease, coronary atherosclerosis, and myocardial infarction in individuals of African ancestry (p < 0.05, Table S7, Table S8).