ModelDB: Cerebellum granule cell FHF (Dover et al. 2016)

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Cerebellum granule cell FHF (Dover et al. 2016)

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Accession:206267

"Neurons in vertebrate central nervous systems initiate and conduct sodium action potentials in distinct subcellular compartments that differ architecturally and electrically. Here, we report several unanticipated passive and active properties of the cerebellar granule cell's unmyelinated axon. Whereas spike initiation at the axon initial segment relies on sodium channel (Nav)-associated fibroblast growth factor homologous factor (FHF) proteins to delay Nav inactivation, distal axonal Navs show little FHF association or FHF requirement for high-frequency transmission, velocity and waveforms of conducting action potentials. ...'
Reference:
1 . Dover K, Marra C, Solinas S, Popovic M, Subramaniyam S, Zecevic D, D'Angelo E, Goldfarb M (2016) FHF-independent conduction of action potentials along the leak-resistant cerebellar granule cell axon. Nat Commun 7:12895 [PubMed]

Model Information (Click on a link to find other models with that property)

Model Type:	Axon; Dendrite;
Brain Region(s)/Organism:	Cerebellum;
Cell Type(s):	Cerebellum interneuron granule GLU cell;
Channel(s):	I A; I Calcium; I K; I K,Ca; I M; I Na,p; I Na,t; I Potassium; I Sodium; Kir;
Gap Junctions:
Receptor(s):	AMPA; Gaba; NMDA;
Gene(s):
Transmitter(s):
Simulation Environment:	NEURON;
Model Concept(s):
Implementer(s):	Solinas, Sergio [solinas at unipv.it]; Subramaniyam, Sathyaa [sakthisathyaa at gmail.com]; D'Angelo, Egidio [dangelo at unipv.it]; Goldfarb, Mitchell goldfarb at genectr.hunter.cuny.edu];