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Biophysical Journal 23: 473-477 (1978)
© 1978 the Biophysical Society

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Internal cesium alters sodium inactivation in Myxicola.

C L Schauf and J O Bullock

ABSTRACT

When Myxicola giant axons are internally dialyzed with Cs+ as the sole cation, the time-course of prepulse inactivation is selectively accelerated compared to its rate with K+ dialysis in the same axons. This decrease in tauph occurs without any change in the magnitude or time-course of INa during step depolarizations and results in tauph/taush ratios near unity over most of the potential range in Cs+ dialyzed axons.




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Y. Hayashida and A. T. Ishida
Dopamine Receptor Activation Can Reduce Voltage-Gated Na+ Current by Modulating Both Entry Into and Recovery From Inactivation
J Neurophysiol, November 1, 2004; 92(5): 3134 - 3141.
[Abstract] [Full Text] [PDF]


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Copyright © 1978 by the Biophysical Society.