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  2. Lacosamide - Wikipedia

    en.wikipedia.org/wiki/Lacosamide

    Slow inactivation is similar but does not produce complete blockade of voltage gated sodium channels, with both activation and inactivation occurring over hundreds of milliseconds or more. Lacosamide makes this inactivation happen at less depolarized membrane potentials.

  3. Voltage-gated sodium channel - Wikipedia

    en.wikipedia.org/wiki/Voltage-gated_sodium_channel

    Closure of the inactivation gate causes Na + flow through the channel to stop, which in turn causes the membrane potential to stop rising. The closing of the inactivation gate creates a refractory period within each individual Na + channel. This refractory period eliminates the possibility of an action potential moving in the opposite direction ...

  4. Nav1.8 - Wikipedia

    en.wikipedia.org/wiki/Nav1.8

    Notably, human Na V 1.8 channels exhibit an inactivation voltage-dependence that is even more depolarized than that in rodents, and it also exhibits a larger persistent current. [20] Thus, the influence of human Na V 1.8 channels on firing of sensory neurons may be even larger than that of rodent Na V 1.8 channels.

  5. Sodium voltage-gated channel alpha subunit 9 - Wikipedia

    en.wikipedia.org/wiki/Sodium_voltage-gated...

    Sodium voltage-gated channel alpha subunit 9 (also Na v 1.7) is a sodium ion channel that, in humans, is encoded by the SCN9A gene. [5] [6] [7] It is usually expressed at high levels in two types of neurons: the nociceptive (pain) neurons at the dorsal root ganglion (DRG) and trigeminal ganglion; and sympathetic ganglion neurons, which are part of the autonomic (involuntary) nervous system.

  6. Voltage-gated calcium channel - Wikipedia

    en.wikipedia.org/wiki/Voltage-gated_calcium_channel

    Co-expression of the α 2 δ enhances the level of expression of the α 1 subunit and causes an increase in current amplitude, faster activation and inactivation kinetics and a hyperpolarizing shift in the voltage dependence of inactivation. Some of these effects are observed in the absence of the beta subunit, whereas, in other cases, the co ...

  7. Acid-sensing ion channel - Wikipedia

    en.wikipedia.org/wiki/Acid-sensing_ion_channel

    TMD2 is primarily involved with lining of the lumen within the pore and inactivation gate of the channel, where as TMD1 holds the protein within the cell's lipid bilayer. [6] TMD1 is connected to the β-sheets of the extracellular domain that flex to widen the extracellular domain to allow for ion passage through the channel. [ 3 ]

  8. Ion channel - Wikipedia

    en.wikipedia.org/wiki/Ion_channel

    Gating also includes activation and inactivation by second messengers from the inside of the cell membrane – rather than from outside the cell, as in the case for ligands. Some potassium channels: Inward-rectifier potassium channels : These channels allow potassium ions to flow into the cell in an "inwardly rectifying" manner: potassium flows ...

  9. Poneratoxin - Wikipedia

    en.wikipedia.org/wiki/Poneratoxin

    Poneratoxin is a paralyzing neurotoxic peptide made by the bullet ant Paraponera clavata.It prevents inactivation of voltage gated sodium channels and therefore blocks synaptic transmission in the central nervous system. [1]

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