Asymmetric turnover dynamics of Nav1.6 voltage-gated sodium channels at the axon initial segment
Nav1.6 voltage-gated sodium channels are critical for shaping action potentials, and their precise localization at the axon initial segment (AIS) is essential for neuronal excitability. However, the turnover mechanisms that maintain this spatial pattern remain unclear. Here, we present a genetically engineered mouse in which endogenous Nav1.6 carries a Cre-switchable fluorescent tag, enabling us…
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