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Brain Res. 1991 Apr 19;546(2):355-7.

Mechanism of modulation of GABA-activated current by internal calcium in rat central neurons.

Author information

1
A.A. Bogomoletz Institute of Physiology, Academy of Sciences of the Ukrainian SSR, Kiev.

Abstract

GABA-activated currents in Purkinje cells isolated from rat cerebellum were investigated. Increase of intracellular Ca2+ in the physiological range of concentrations caused a decrease in GABA-activated chloride currents. This effect resulted from a decrease of both the maximal values of GABA-activated currents and possibly from the affinity of GABAA receptors. Therefore, the mechanism of Ca2+ effect on GABAA receptors in central rat neurons differs from that in bullfrog sensory neurons.

PMID:
1712659
DOI:
10.1016/0006-8993(91)91502-r
[Indexed for MEDLINE]

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