The human antimicrobial peptide LL-37, a cleavage product of the cathelicidin proprotein hCAP-18, is present in human atherosclerotic plaques (8), and is associated with platelet activation and induction of thrombosis (9), with higher serum levels in coronary circulation compared to systemic levels in patients with ST elevation myocardial infarction (STEMI) (10). The gene discussed is CAMP; the disease is ST Elevation Myocardial Infarction.