Baclofen selectively inhibits excitatory synaptic transmission in the hippocampus
- PMID: 6271336
- DOI: 10.1016/0006-8993(81)90326-7
Baclofen selectively inhibits excitatory synaptic transmission in the hippocampus
Abstract
The effect of baclofen was investigated on mossy fiber, Schaffer collateral and perforant path synaptic transmission in hippocampal slices. Baclofen completely inhibits mossy fiber and Schaffer collateral synaptic transmission with an IC50 of 3.8 microM. The lateral perforant path is insensitive to baclofen, while the response in the medial zone was partially blocked. Baclofen does not appear to act in a GABA-like manner.
Similar articles
-
Baclofen selectively inhibits transmission at synapses made by axons of CA3 pyramidal cells in the hippocampal slice.J Pharmacol Exp Ther. 1982 Nov;223(2):291-7. J Pharmacol Exp Ther. 1982. PMID: 6290635
-
Differences in baclofen-sensitivity between CA3 neurons and granule cells of the guinea pig hippocampus in vitro.Neurosci Lett. 1984 Jun 29;47(3):307-11. doi: 10.1016/0304-3940(84)90531-7. Neurosci Lett. 1984. PMID: 6089049
-
Baclofen: effects on evoked field potentials and amino acid neurotransmitter release in the rat olfactory cortex slice.Brain Res. 1982 Apr 29;238(2):371-83. doi: 10.1016/0006-8993(82)90111-1. Brain Res. 1982. PMID: 6124298
-
GABAB autoreceptors mediate activity-dependent disinhibition and enhance signal transmission in the dentate gyrus.J Neurophysiol. 1993 Mar;69(3):674-91. doi: 10.1152/jn.1993.69.3.674. J Neurophysiol. 1993. PMID: 8096539
-
Pre- and postsynaptic effects of baclofen in the rat hippocampal slice.Brain Res. 1985 Aug 19;341(1):195-9. doi: 10.1016/0006-8993(85)91489-1. Brain Res. 1985. PMID: 2994814
Cited by
-
Effects of baclofen on synaptically-induced cell firing in the rat hippocampal slice.Br J Pharmacol. 1983 Sep;80(1):211-9. doi: 10.1111/j.1476-5381.1983.tb11068.x. Br J Pharmacol. 1983. PMID: 6652371 Free PMC article.
-
Presynaptic inhibition preferentially reduces in NMDA receptor-mediated component of transmission in rat midbrain dopamine neurons.Br J Pharmacol. 1999 Jul;127(6):1422-30. doi: 10.1038/sj.bjp.0702680. Br J Pharmacol. 1999. PMID: 10455292 Free PMC article.
-
NMDA receptor antagonists reduce medial, but not lateral, perforant path-evoked EPSPs in dentate gyrus of rat hippocampal slice.Exp Brain Res. 1990;83(1):172-7. doi: 10.1007/BF00232206. Exp Brain Res. 1990. PMID: 1981563
-
Baclofen blocks postsynaptic inhibition but not the effect of muscimol in the olfactory cortex.Br J Pharmacol. 1983 Jan;78(1):79-84. doi: 10.1111/j.1476-5381.1983.tb09365.x. Br J Pharmacol. 1983. PMID: 6824819 Free PMC article.
-
Anticonvulsant-like actions of baclofen in the rat hippocampal slice.Br J Pharmacol. 1983 Apr;78(4):701-8. doi: 10.1111/j.1476-5381.1983.tb09423.x. Br J Pharmacol. 1983. PMID: 6850167 Free PMC article.
Publication types
MeSH terms
Substances
Grants and funding
LinkOut - more resources
Full Text Sources