Sodium-activated potassium current in cultured avian neurones

  title={Sodium-activated potassium current in cultured avian neurones},
  author={Charles Roland Bader and Laurent Bernheim and Daniel Bertrand},
An important characteristic of excitable cells is their ability to repolarize rapidly after a depolarizing event such as a sodium action potential. This ability is caused by several fast potassium currents such as IA and IK (ref. 1) and possibly also a fast calcium-dependent potassium current (IK(Ca))2. Suppression of only one of the potassium channels by mutation or drugs can lead to anomalous behaviour in the animal2 or to epileptic disharges3,4 in in vitro preparations. Fast potassium… CONTINUE READING

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