Damped oscillation in the ampullary electroreceptors ofPlotosus involves Ca-activated transient K conductance in the basal membrane of receptor cells
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説明
K-blockers suppressed damped oscillation of Plotosus electroreceptors in situ. Ca-blockers abolished V-dependent non-linear responses, as well, and shifted the DC level in the ampulla by ca. -1 mV. Thus, the in situ receptor is held depolarized with maintained Ca current in the basal membrane of receptor cells. The oscillation involves Ca-activated transient K current in the same membrane, which contributes to the initial sensory adaptation, and presumably also to stabilizing the sensitive receptors.
収録刊行物
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- Brain Research
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Brain Research 302 171-175, 1984-06-01
Elsevier BV
