FGF10 and bronchopulmonary dysplasia: By using hyperoxia-induced neonatal lung injury from post-natal day 0 (P0) to P8 as a mouse model of BPD, Chao et al. (2017) have shown that Fgf10 deficiency causes lethality from P5 in Fgf10+/- pups due to impaired AT2 formation after hyperoxic injury.