PHB1 and myocardial infarction: MiR-361,miR-539, and miR-421 inhibit prohibitin 1 (PHB1), PHB2, and PINK1, respectively, to intensify mitochondrial fragmentation and promote H2O2-induced cardiomyocyte apoptosis and myocardial infarction (Wang et al., 2014; Wang et al., 2015a; Wang et al., 2015c).