Dataset Information

Mutations in TNK2 in severe autosomal recessive infantile onset epilepsy.

ABSTRACT: We identified a small family with autosomal recessive, infantile onset epilepsy and intellectual disability. Exome sequencing identified a homozygous missense variant in the gene TNK2, encoding a brain-expressed tyrosine kinase. Sequencing of the coding region of TNK2 in 110 patients with a similar phenotype failed to detect further homozygote or compound heterozygote mutations. Pathogenicity of the variant is supported by the results of our functional studies, which demonstrated that the variant abolishes NEDD4 binding to TNK2, preventing its degradation after epidermal growth factor stimulation. Definitive proof of pathogenicity will require confirmation in unrelated patients.

SUBMITTER: Hitomi Y

PROVIDER: S-EPMC4527160 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Mutations in TNK2 in severe autosomal recessive infantile onset epilepsy.

Hitomi Yuki Y Heinzen Erin L EL Donatello Simona S Dahl Hans-Henrik HH Damiano John A JA McMahon Jacinta M JM Berkovic Samuel F SF Scheffer Ingrid E IE Legros Benjamin B Rai Myriam M Weckhuysen Sarah S Suls Arvid A De Jonghe Peter P Pandolfo Massimo M Goldstein David B DB Van Bogaert Patrick P Depondt Chantal C

Annals of neurology 20130904 3

We identified a small family with autosomal recessive, infantile onset epilepsy and intellectual disability. Exome sequencing identified a homozygous missense variant in the gene TNK2, encoding a brain-expressed tyrosine kinase. Sequencing of the coding region of TNK2 in 110 patients with a similar phenotype failed to detect further homozygote or compound heterozygote mutations. Pathogenicity of the variant is supported by the results of our functional studies, which demonstrated that the varian ...[more]

PMID: 23686771

Dataset Information

Mutations in TNK2 in severe autosomal recessive infantile onset epilepsy.

Publications

Mutations in TNK2 in severe autosomal recessive infantile onset epilepsy.

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