Autosomal dominant partial epilepsy with auditory features (ADPEAF) is a rare idiopathic epilepsy syndrome caused by mutations in the leucine-rich, glioma-inactivated 1 (LGI1) gene. The authors report that molecular genetic studies in seven affected family members identified a novel F318C substitution that alters a highly conserved residue in a predicted repeat domain of unknown function. This report suggests that this domain may participate in the development of the ADPEAF phenotype.
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