by Massachusetts Eye and Ear Infirmary VPA/MYC synergistically reprogram adult SCs for HC-like cell regeneration. (A) A schematic diagram illustrating the experimental procedure of the cultured adult cochleae treated transiently by Dox to induce Myc and VPA to activate NICD (DV) and HC-like cell induction by Ad.Atoh1. (B and C) Vehicle (sterile water)/Ad.Atoh1 or Dox/VPA/Ad.Atoh1-treated adult (P30) rtTA/tet-Myc/Atoh1-GFP mice cochleae were labeled with MYO7A/GFP....