STC1 and myocardial infarction: We analyzed serum samples from patients with myocardial infarction (the Data are available at https://www.ahajournals.org/doi/suppl/10.1161/CIRCULATIONAHA.119.045158) and found that serum Stc1 concentrations were negatively correlated with cardiac function in these patients, indicating that hypoxic stress induced the Stc1 secretion (Table S4, Supporting Information; Figure 3C).