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Exp Brain Res
1989 Jan 01;782:223-32. doi: 10.1007/bf00228894.
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Whole-cell currents in olfactory receptor cells of Xenopus laevis.
Schild D.
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Olfactory mucosae of Xenopus laevis were dissociated without enzymatic treatment and the isolated olfactory neurones were studied with the tight-seal whole-cell recording configuration of the patch clamp technique. In the voltage clamp, five current components could be distinguished: a fast, TTX-sensitive Na+-current, a small and slow inward current carried by Ca2+ ions, a Ca2+-dependent K+-current, a K+-current which activates rapidly at voltages more positive than -20 mV and quickly inactivates, and a slowly activating and very slowly inactivating K+-current. Some of the characteristics of the whole-cell currents herein reported contradict previous findings while others verify them, thereby allowing a tentative interpretation of their physiological role in the transduction process.
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