Pendred syndrome is caused by mutations in a putative sulphate transporter gene (PDS). - Everett,L.A.; Glaser,B.; Beck,J.C.; Idol,J.R.; Buchs,A.; Heyman,M.; Adawi,F.; Hazani,E.; Nassir,E.; Baxevanis,A.D.; Sheffield,V.C.; Green,E.D. (Nat Genet, 1997)