BACKGROUND: Mutations responsible for autosomal dominant lateral temporal epilepsy have been found in the leucine-rich, glioma-inactivated 1 (LGI1) gene. OBJECTIVES: To describe the clinical and genetic findings in a family with autosomal dominant lateral temporal epilepsy and to determine the functional effects of a novel LGI1 mutation in culture cells. DESIGN: Clinical, genetic, and functional investigations. SETTING: University hospital and laboratory. PATIENTS: An Italian family with autosomal dominant lateral temporal epilepsy. MAIN OUTCOME MEASURE: Mutation analysis. RESULTS: A novel LGI1 mutation, c.365T>A (Ile122Lys), segregating with the disease was identified. The mutant Lgi1 protein was not secreted by culture cells. CONCLUSION: Our data provide further evidence that mutations in LGI1 hamper secretion of the Lgi1 protein, thereby precluding its normal function.

A novel loss-of-function LGI1 mutation linked to autosomal dominant lateral temporal epilepsy.

DIANI, ERICA;
2008-01-01

Abstract

BACKGROUND: Mutations responsible for autosomal dominant lateral temporal epilepsy have been found in the leucine-rich, glioma-inactivated 1 (LGI1) gene. OBJECTIVES: To describe the clinical and genetic findings in a family with autosomal dominant lateral temporal epilepsy and to determine the functional effects of a novel LGI1 mutation in culture cells. DESIGN: Clinical, genetic, and functional investigations. SETTING: University hospital and laboratory. PATIENTS: An Italian family with autosomal dominant lateral temporal epilepsy. MAIN OUTCOME MEASURE: Mutation analysis. RESULTS: A novel LGI1 mutation, c.365T>A (Ile122Lys), segregating with the disease was identified. The mutant Lgi1 protein was not secreted by culture cells. CONCLUSION: Our data provide further evidence that mutations in LGI1 hamper secretion of the Lgi1 protein, thereby precluding its normal function.
2008
Epilepsy; ADLTE; LGI1
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/327088
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