HGF and myocardial infarction: The HGF group had significantly more capillaries in the myocardial infarct (41.10±17.52/mm2) and peri-infarct (68.20±23.14/mm2) zones than that in control group (22.20±12.56, 41.75±15.11/mm2) (Fig. 6A, 6C, P<0.01).