Episodic ataxia type 1 mutations in the KCNA1 gene impair the fast inactivation properties of the human potassium channels Kv1.4-1.1/Kvbeta1.1 and Kv1.4-1.1/Kvbeta1.2.

Abstract excerpt

Episodic ataxia type 1 (EA1) is an autosomal dominant neurological disorder characterized by constant muscle rippling movements (myokymia) and episodic attacks of ataxia. Several heterozygous point mutations have been found in the coding sequence of the voltage-gated potassium channel gene KCNA1 (hKv1.1), which alter the delayed-rectifier function of the channel. Shaker-like channels of different cell types may...

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