Facilitation of Ca2+ current in excitable cells.

Abstract:

:Voltage-dependent Ca2+ channels are one of the main routes for the entry of Ca2+ into excitable cells. These channels are unique in cell-signalling terms in that they can transduce an electrical signal (membrane depolarization) via Ca2+ entry into a chemical signal, by virtue of the diverse range of intracellular Ca(2+)-dependent enzymes and processes. In a variety of cell types, currents through voltage-dependent Ca2+ channels can be increased in amplitude by a number of means. Although the term facilitation was originally defined as an increase of Ca2+ current resulting from one or a train of prepulses to depolarizing voltages, there is a great deal of overlap between facilitation by this means and enhancement by other routes, such as phosphorylation.

journal_name

Trends Neurosci

journal_title

Trends in neurosciences

authors

Dolphin AC

doi

10.1016/0166-2236(96)81865-0

subject

Has Abstract

pub_date

1996-01-01 00:00:00

pages

35-43

issue

1

eissn

0166-2236

issn

1878-108X

pii

0166223696818650

journal_volume

19

pub_type

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