AKT1 and asthma: Platelet‐derived growth factor BB (PDGF‐BB) stimulates Malat1 expression in airway smooth muscle cells, Malat1 interacts with miR‐150 by a ceRNA mechanism, significantly enhances the essential translation initiation factor, eIF4E, and Akt signaling, promotes airway smooth muscle cells proliferation and migration, airway remodeling in asthma.70