Outwardly rectifying chloride channels in lymphocytes

  title={Outwardly rectifying chloride channels in lymphocytes},
  author={Sarah S. Garber},
  journal={The Journal of Membrane Biology},
Outwardly rectifying Cl− channels in cultured human Jurkat T-lymphocytes were activated by excising a patch of membrane using the inside-out (i/o) patch-clamp configuration and holding at depolarized voltages for prolonged periods of time (1–6 min at +80 mV, 20°C). The single-channel current at +80 mV was 4.5 ± 0.3 pA and at −80 mV, it was 1.0 ± 0.4 pA. After activation, the probability of being open (P 0)for the lymphocyte channel was voltage independent. Activation of the Cl− channel in… CONTINUE READING


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