Novel Na current with slow de-inactivation (Tsutsui, Oka 2002)

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Accession:18742
The authors found a novel Na current in teleost thalamic nuclei was well described by the m^3 h Hodgkin-Huxley model. The kinetic parameters derived from their experiments (see the reference for details) revealed that the h gate had a large time constant (~100ms at -80 to -50mV). This explains the thalamic neurons long refractory period and the gradual recovery of AP amplitude as the inter spike interval grows.
Reference:
1 . Tsutsui H, Oka Y (2002) Slow removal of Na(+) channel inactivation underlies the temporal filtering property in the teleost thalamic neurons. J Physiol 539:743-53 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Channel/Receptor;
Brain Region(s)/Organism:
Cell Type(s): Teleost thalamic neuron;
Channel(s): I Na,t; I K; I Sodium; I Potassium;
Gap Junctions:
Receptor(s):
Gene(s):
Transmitter(s):
Simulation Environment: NEURON;
Model Concept(s): Activity Patterns; Ion Channel Kinetics; Axonal Action Potentials; Action Potentials;
Implementer(s): Tsutsui, H ;
Search NeuronDB for information about:  I Na,t; I K; I Sodium; I Potassium;
 
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