alexa Splicing of alpha 1A subunit gene generates phenotypic variants of P- and Q-type calcium channels.


International Journal of Neurorehabilitation

Author(s): Bourinet E, Soong TW, Sutton K, Slaymaker S, Mathews E,

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Abstract P-type and Q-type calcium channels mediate neurotransmitter release at many synapses in the mammalian nervous system. The alpha 1A calcium channel has been implicated in the etiologies of conditions such as episodic ataxia, epilepsy and familial migraine, and shares several properties with native P- and Q-type channels. However, the exact relationship between alpha 1A and P- and Q-type channels is unknown. Here we report that alternative splicing of the alpha 1A subunit gene results in channels with distinct kinetic, pharmacological and modulatory properties. Overall, the results indicate that alternative splicing of the alpha 1A gene generates P-type and Q-type channels as well as multiple phenotypic variants. This article was published in Nat Neurosci and referenced in International Journal of Neurorehabilitation

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