Location: Glucose Uptake in Enterocyte @ fad507f47193 / KCNQ_flux.cellml

Author:
Glucose Uptake <nafs080@aucklanduni.ac.nz>
Date:
2018-03-29 11:47:30+13:00
Desc:
Modular Version of Glucose Uptake in CellML
Permanent Source URI:
https://models.cellml.org/workspace/572/rawfile/fad507f47193ac8be8dee23ffa9448938603f792/KCNQ_flux.cellml

<?xml version='1.0'?>
<!--Original Paper: Tabak, Joël, et al. "Low dose of dopamine may stimulate prolactin secretion by increasing fast potassium currents." Journal of computational neuroscience 22.2 (2007): 211-222.
 Link in Exposure: https://models.physiomeproject.org/exposure/bdf9578fb585b949055c001c756ac822/tabak_toporikova_freeman_bertram_2007_a.cellml/view-->
<model name="KCNQ_flux" xmlns="http://www.cellml.org/cellml/1.1#" xmlns:cellml="http://www.cellml.org/cellml/1.1#">
    <component name="IK">
        <variable name="z_k" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="K_i" public_interface="in" units="M"/>
        <variable name="K_s" public_interface="in" units="M"/>
        <variable name="Ca_i" public_interface="in" units="M"/>
        <variable name="V_A_IK" public_interface="out" units="volt"/>
        <variable name="v_sc" public_interface="in" units="volt"/>
        <variable name="J_IK" public_interface="out" units="umol_per_s"/>
        <variable name="I_IK" public_interface="out" units="uA"/>
        <variable name="A_Apical" public_interface="in" units="m2"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <variable initial_value="40" name="G_IK" public_interface="out" units="S"/>
        <variable name="P_IK" public_interface="out" units="dimensionless"/>
        <variable initial_value="0.3e-3" name="K_s_IK" public_interface="out" units="M"/>
        <variable initial_value="1.7" name="eta" public_interface="out" units="dimensionless"/>
        <variable initial_value="1" name="alpha_IK" public_interface="out" units="per_m2"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>P_IK</ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless">1</cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                            <power/>
                            <apply>
                                <divide/>
                                <ci>K_s_IK</ci>
                                <ci>Ca_i</ci>
                            </apply>
                            <ci>eta</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>V_A_IK</ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci>R</ci>
                            <ci>T</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>z_k</ci>
                            <ci>F</ci>
                        </apply>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <ci>K_s</ci>
                            <ci>K_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <!-- 1e6 is for unit consistency in order to change Ampere to MicorAmpere-->
            <apply>
                <eq/>
                <ci>I_IK</ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless" type="e-notation">1<sep/>+6</cn>
                    <ci>G_IK</ci>
                    <ci>alpha_IK</ci>
                    <ci>P_IK</ci>
                    <ci>A_Apical</ci>
                    <apply>
                        <minus/>
                        <ci>v_sc</ci>
                        <ci>V_A_IK</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>J_IK</ci>
                <apply>
                    <divide/>
                    <ci>I_IK</ci>
                    <ci>F</ci>
                </apply>
            </apply>
        </math>
    </component>
</model>