The study describes the properties of voltage-dependent Ca channels expressed by chick embryo vestibular hair cells. Experiments were performed by using the cell-attached configuration of the patch-clamp technique in combination with the fresh slice preparation of the crista ampullaris. Results show that chicken embryo type I and type II semicircular canal hair cells express a similar calcium channel population. Biophysical and pharmacological properties indicate that inward Ca2+ currents in both hair cell types are carried through L-type Ca channels.
Single L-type calcium currents in chick embryo vestibular type I and type II hair cells.
ZAMPINI, VALERIA;VALLI, PAOLO;MASETTO, SERGIO
2004-01-01
Abstract
The study describes the properties of voltage-dependent Ca channels expressed by chick embryo vestibular hair cells. Experiments were performed by using the cell-attached configuration of the patch-clamp technique in combination with the fresh slice preparation of the crista ampullaris. Results show that chicken embryo type I and type II semicircular canal hair cells express a similar calcium channel population. Biophysical and pharmacological properties indicate that inward Ca2+ currents in both hair cell types are carried through L-type Ca channels.File in questo prodotto:
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