Consistent with the earlier studies, Padfield et al recently reported that levels of CD34+/CD45− EPCs, CD14+/KDR+/Tie-2+ EPCs and colony forming unit endothelial cells (CFU-ECs) were higher in patients with acute coronary syndrome compared with those with stable angina or normal coronary arteries [29]. The gene discussed is CD14; the disease is angina pectoris.