GABA-mediated synchronization in the human neocortex: Elevations in extracellular potassium and presynaptic mechanisms

Neuroscience

Volumn 105, Issue 4, 2001, Pages 803-813

  Louvel, J ^a,b   Papatheodoropoulos, C ^b,c   Siniscalchi, A ^a   Kurcewicz, I ^a,b   Pumain, R ^b   Devaux, B ^b   Turak, B ^b   Esposito, V ^d   Villemeure, J G ^a   Avoli, M ^a,d,e,f  

^a MCGILL UNIVERSITY   (Canada)

^b CENTRE HOSPITALIER SAINTE ANNE   (France)

^c UNIVERSITY OF PATRAS   (Greece)

^d IRCCS NEUROMED   (Italy)

^e UNIVERSITÉ DE STRASBOURG   (France)

^f NONE   (Canada)

Author keywords

K+ o; GABA; Human cortex; Opioid receptors; Synchronization

Indexed keywords

1 AMINO 1,3 CYCLOPENTANEDICARBOXYLIC ACID; 3 AMINOPROPYL(DIETHOXYMETHYL)PHOSPHINIC ACID; 3,5 DIHYDROXYPHENYLGLYCINE; 4 AMINOBUTYRIC ACID A RECEPTOR; 4 AMINOBUTYRIC ACID B RECEPTOR STIMULATING AGENT; 4 AMINOPYRIDINE; AMINO ACID RECEPTOR BLOCKING AGENT; BACLOFEN; BICUCULLINE METHIODIDE; CALCIUM ION; CGP 38345; IONOTROPIC RECEPTOR ANTAGONIST; MAGNESIUM ION; METABOTROPIC RECEPTOR ANTAGONIST; MU OPIATE RECEPTOR; PICROTOXIN; POTASSIUM; UNCLASSIFIED DRUG;

ADULT; ARTICLE; BRAIN REGION; BRAIN SLICE; CONTROLLED STUDY; CORTICAL SYNCHRONIZATION; DRUG ACTIVITY; DRUG EFFECT; ELECTRIC POTENTIAL; ELECTROSTIMULATION; EXCITATORY POSTSYNAPTIC POTENTIAL; HUMAN; HUMAN TISSUE; IN VITRO STUDY; INTERNEURON; NEOCORTEX; PRESYNAPTIC POTENTIAL; PRIORITY JOURNAL; SPECTRUM; SYNAPTIC TRANSMISSION;

4-AMINOPYRIDINE; ADULT; CORTICAL SYNCHRONIZATION; EXCITATORY AMINO ACID ANTAGONISTS; EXTRACELLULAR SPACE; GAMMA-AMINOBUTYRIC ACID; HUMANS; NEOCORTEX; NEURAL INHIBITION; POTASSIUM; PRESYNAPTIC TERMINALS; RECEPTORS, GABA; RECEPTORS, GABA-B; RECEPTORS, METABOTROPIC GLUTAMATE;

EID: 0035934172     PISSN: 03064522     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0306-4522(01)00247-0     Document Type: Article

References (29)

1. Synchronized GABAergic IPSPs recorded in the neocortex after blockade of synaptic transmission mediated by excitatory amino acids
2. Synchronous GABA-mediated potentials and epileptiform discharges in the rat limbic system in vitro
3. Extracellular free potassium and calcium during synchronous activity induced by 4-aminopyridine in the immature rat hippocampus
4. Pharmacology and electrophysiology of a synchronous GABA-mediated potential in the human neocortex
5. Electrophysiological properties and synaptic responses in the deep layers of the human epileptogenic neocortex in vitro
6. Recruitment of GABAergic inhibition and synchronization of inhibitory interneurons in rat neocortex
7. Glutamate metabotropic receptor agonists depress excitatory and inhibitory transmission on rat mesencephalic principal neurons
8. Group I metabotropic glutamate receptors: Implications for brain diseases
9. Mechanism of μ-opioid receptor-mediated presynaptic inhibition in the rat hippocampus in vitro
10. Activation of group I mGluRs increases spontaneous IPSC frequency in rat frontal cortex
11. Pharmacology and functions of metabotropic glutamate receptors
12. B autoreceptors in rat hippocampus
13. B receptor feed-back on GABA release
14. Excitatory effects of ACPD receptor activation in the hippocampus are mediated by direct effects on pyramidal cells and blockade of synaptic inhibition
15. Network of fast-spiking cells in the neocortex connected by electrical synapses
16. Two networks of electrically coupled inhibitory neurons in neocortex
17. + transient
18. Heterogeneity in presynaptic regulation of GABA release from hippocampal inhibitory neurons
19. Ionic mechanisms of spontaneous GABAergic events in rat hippocampal slices exposed to 4-aminopyridine
20. Participation of GABAA-mediated inhibition in ictal-like discharges in the rat entorhinal cortex
21. Excitatory synaptic responses mediated by GABAA receptors in the hippocampus
22. + accumulations and synchronous GABA-mediated potentials evoked by 4-aminopyridine in the adult rat hippocampus
23. Effects of low concentrations of 4-aminopyridine on CA1 pyramidal cells of the hippocampus
24. 4-Aminopyridine-induced epileptiform activity and a GABA-mediated long-lasting depolarization in the rat hippocampus
25. B receptors of spontaneous synchronous activities induced by 4-aminopyridine in the rat hippocampus
26. Pharmacological isolation of the synaptic and nonsynaptic components of the GABA-mediated biphasic response in rat CA1 hippocampal pyramidal cells
27. A receptors
28. Presynaptic mechanisms in the hippocampus
29. Metabotropic glutamate receptor enhancement of spontaneous IPSCs in neocortical interneurons