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Two components of GABA-induced currents in catfish retinal horizontal cells
K Takahashi1, S Miyoshi, A Kaneko
1Department of Physiology, Keio University School of Medicine, Tokyo, Japan.
The Japanese Journal of Physiology
|January 1, 1994
Abstract:
In cone-driven horizontal cells dissociated from the catfish retina, we recorded GABA-induced currents by using a whole-cell voltage-clamp technique. The current consisted of two components. The major component was blocked by picrotoxin, but not by bicuculline, and was identified as a current flowing through the GABAC receptor channel. The second minor component was identified as a current carried by an electrogenic GABA transporter.