TNFSF13B and acute myocardial infarction: The authors further found that the circulating concentrations of CCL7 and BAFF in patients with acute myocardial infarction were markedly higher compared to healthy controls, and elevated levels of CCL7 and BAFF always predicted an increased risk of death or recurrence of myocardial infarction (Zouggari et al., 2013).