- KCNE1 mutations cause jervell and Lange-Nielsen syndrome. Schulze-Bahr, E., Wang, Q., Wedekind, H., Haverkamp, W., Chen, Q., Sun, Y., Rubie, C., Hördt, M., Towbin, J.A., Borggrefe, M., Assmann, G., Qu, X., Somberg, J.C., Breithardt, G., Oberti, C., Funke, H. Nat. Genet. (1997)