ANGPT1 and bronchopulmonary dysplasia: Treatment with a miR-451 inhibitor was associated with decreased Ang1:Ang2 ratio relative to that seen in the WT RA group in both RA and BPD mice; however, the values noted in the miR-451 inhibitor treated RA and BPD groups were significantly higher than that those noted in the WT BPD group (Fig. 7g).