PECAM1 and myocardial infarction: However, no significant differences were found in capillary density (CD31+) (Appendix Fig S3A and B) and mRNA expression of pro‐angiogenic growth factors, such as VEGF, FGF, HGF, and PDGF (Appendix Fig S3C), in cardiac tissues from the area at risk at day 14 post‐MI between WT and CRTH2−/− mice.