In roof/epithelial (CD−M1), Myo6 and Actg1 were associated with nonsyndromic hearing loss (NSHL), Hsd17b4 with Perrault syndrome, Ednrb and Edn3 with Waardenburg syndrome, and Actg1 with Baraitser–Winter syndrome. Here, ACTG1 is linked to Perrault syndrome.