Na+ channel-dependent recruitment of Navβ4 to axon initial segments and nodes of Ranvier.

Abstract excerpt

The axon initial segment (AIS) and nodes of Ranvier are the sites of action potential initiation and regeneration in axons. Although the basic molecular architectures of AIS and nodes, characterized by dense clusters of Na(+) and K(+) channels, are similar, firing patterns vary among cell types. Neuronal firing patterns are established by the collective activity of voltage-gated ion channels and can be modulated...

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