And qPCR analysis also showed that the expression levels of atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), and COL1A1 mRNA in the myocardium of MI group mice at 3 months post-MI were all significantly higher than those of mice in the MI+Cur group (Figure 1). This evidence concerns the gene COL1A1 and myocardial infarction.