High resolution optical analysis of Nav1.6 localization and trafficking
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Voltage-gated sodium (Naᵥ) channels are responsible for the depolarizing phase of the action potential in most nerve cell membranes. As such, these proteins are essential for nearly all functions of the nervous system including thought, movement, sensation, and many other basic physiological processes. Neurons precisely control the number, type, and location of these important ion channels. The density of Naᵥ channels within the axon initial segment (AIS) of neurons can be more than 35-fold greater than that in the somatodendritic region and this localization is vital to action potential initiation. ...