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Physiology

Legacy of leaky channels

Mutations that affect the opening and closing of ion channels in cell membranes are associated with disease. Defects in other properties of these channels can also cause ion leakage, with equally devastating consequences.

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Figure 1: Extracellular view of a voltage-gated membrane ion channel.
Figure 2: Speculative model of the gating pore at two different membrane potentials.

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Horn, R. Legacy of leaky channels. Nature 446, 32–34 (2007). https://doi.org/10.1038/446032a

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