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Cis-4-amino-crotonic acid activates alpha 6 subunit-containing GABA(A) but not GABA(c) receptors in granule cells of adult rat cerebellar slices
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UNSPECIFIED (2001) Cis-4-amino-crotonic acid activates alpha 6 subunit-containing GABA(A) but not GABA(c) receptors in granule cells of adult rat cerebellar slices. NEUROSCIENCE LETTERS, 316 (1). pp. 37-40. ISSN 0304-3940
Full text not available from this repository.Abstract
The expression of GABA(C) receptors in granule cells of adult rat cerebellar slices was investigated. The GABA(C) receptor agonist cis-4-amino-crotonic acid (CACA) evoked currents in granule cells. However, CACA-evoked currents were not blocked by the GABA(C) receptor antagonist (1,2,5,6-tetrahydropyridine-4-yl)methylphosphinic acid (TPMPA), but were blocked by the GABA(A) receptor antagonist bicuculline. CACA activated alpha6 subunit-containing GABA receptors as CACA-evoked currents were reduced by furosemide and CACA activated alpha6 beta2 gamma 2s receptors expressed in HEK 293 cells. The channels opened by CACA had conductances which were larger than those described for GABA(C) receptors but were similar to those described for GABA(A) receptors. GABAergic synaptic currents were blocked by low concentrations of bicuculline, but not by TPMPA. Thus, cerebellar granule cells express functional GABA(A) but not GABA(C) receptors. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry |
| Journal or Publication Title: | NEUROSCIENCE LETTERS |
| Publisher: | ELSEVIER SCI IRELAND LTD |
| ISSN: | 0304-3940 |
| Date: | 4 December 2001 |
| Volume: | 316 |
| Number: | 1 |
| Number of Pages: | 4 |
| Page Range: | pp. 37-40 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/11504 |
Data sourced from Thomson Reuters' Web of Knowledge
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