JAG1 and Pallister-Hall syndrome: Moreover, several genes that are transactivated by this complex are associated with other, related syndromes, such as Jagged1 (JAG1; Alagille syndrome), MYC proto-oncogene N (MYCN; Feingold syndrome) and glioma-associated oncogene family zinc finger 3 (GLI3; Pallister-Hall syndrome).