STX3 and myotonic dystrophy type 1: Similarly, Nakamori et al. reported SE events in the spinal cord of myotonic dystrophy type 1 patients, with five of these events also present in the spinal cord of HSALR mice: Il15ra exon 3, Apc exon 2, Osbpl8 exon 3, Camkk2 exon 16 and Stx3 exon 3.