A detailed Purkinje cell model (Masoli et al 2015)

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The Purkinje cell is one of the most complex type of neuron in the central nervous system and is well known for its massive dendritic tree. The initiation of the action potential was theorized to be due to the high calcium channels presence in the dendritic tree but, in the last years, this idea was revised. In fact, the Axon Initial Segment, the first section of the axon was seen to be critical for the spontaneous generation of action potentials. The model reproduces the behaviours linked to the presence of this fundamental sections and the interplay with the other parts of the neuron.
1 . Masoli S, Solinas S, D'Angelo E (2015) Action potential processing in a detailed Purkinje cell model reveals a critical role for axonal compartmentalization. Front Cell Neurosci 9:47 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Neuron or other electrically excitable cell; Axon;
Brain Region(s)/Organism: Cerebellum;
Cell Type(s): Cerebellum Purkinje GABA cell;
Channel(s): I Sodium; I Calcium; I Na,t; I K;
Gap Junctions:
Gene(s): Cav2.1 CACNA1A; Cav3.1 CACNA1G; Cav3.2 CACNA1H; Cav3.3 CACNA1I; Nav1.6 SCN8A; Kv1.1 KCNA1; Kv1.5 KCNA5; Kv3.3 KCNC3; Kv3.4 KCNC4; Kv4.3 KCND3; KCa1.1 KCNMA1; KCa2.2 KCNN2; KCa3.1 KCNN4; Kir2.1 KCNJ2; HCN1;
Simulation Environment: NEURON; Python;
Model Concept(s): Bursting; Detailed Neuronal Models; Action Potentials; Action Potential Initiation; Axonal Action Potentials;
Implementer(s): Masoli, Stefano [stefano.masoli at unipv.it]; Solinas, Sergio [solinas at unipv.it];
Search NeuronDB for information about:  Cerebellum Purkinje GABA cell; I Na,t; I K; I Sodium; I Calcium;
Cav2_1.mod *
Cav3_1.mod *
Cav3_2.mod *
Cav3_3.mod *
cdp5.mod *
HCN1_Angeloetal2007.mod *
Kca11.mod *
Kca22.mod *
Kca31.mod *
Kir23.mod *
Kv11.mod *
Kv15.mod *
Kv33.mod *
Kv34.mod *
Kv43.mod *
Leak.mod *
Nav16.mod *

   File generated by: neuroConstruct v1.3.7 


: This is a NEURON mod file generated from a ChannelML file

:  Unit system of original ChannelML file: Physiological Units

    ChannelML file containing a single Channel description

TITLE Channel: Leak

    Simple example of a leak/passive conductance. Note: for GENESIS cells with a single leak conductance,
        it is better to use the Rm and Em variables for a passive current.

    (mA) = (milliamp)
    (mV) = (millivolt)
    (S) = (siemens)
    (um) = (micrometer)
    (molar) = (1/liter)
    (mM) = (millimolar)
    (l) = (liter)


    SUFFIX Leak
    : A non specific current is present
    RANGE e
    RANGE gmax, gion,il


    gmax = 0.0003 (S/cm2) : default value, should be overwritten when conductance placed on cell
    e = -80 (mV) : default value, should be overwritten when conductance placed on cell


    v (mV)
    il (mA/cm2)

    il = gmax*(v - e) 


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