Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons.

Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Research Abstract Details 

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Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Abstract Text:

J-Y Xu,B R Sastry,

Theta-burst stimulation of the stratum radiatum induces a negative shift in the reversal potential (RP) of gamma-aminobutyric acid (GABA)-ergic postsynaptic currents (PSCs) in hippocampal CA1 neurons in brain slices from rats of age groups 3-4 days, 6-9 days and 3-4 weeks. Furosemide reversed the shift in the RP. The amplitude of the evoked PSC appeared to increase following the theta-burst stimulation but this increase was secondary to the change in the RP. These results indicate that the RP for GABA-ergic PSCs undergoes an activity-dependent plasticity in not only neonatal but also adult neurons presumably through an up-regulation of a K(+)-Cl(-) co-transporter. This plasticity can have significant implications for neuronal network activity in the central nervous system. Furthermore, these results indicate that studies on GABA-ergic synaptic efficacy require a careful, parallel monitoring of the RP.

Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Publishing Authors By Initials

JY Xu,BR Sastry,

For similar diagnosis: diagnostic techniques and procedures: diagnostic techniques, neurological: electroencephalography: theta rhythm research abstracts see: diagnosis: diagnostic techniques and procedures: diagnostic techniques, neurological: electroencephalography: theta rhythm research

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Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Experimental neurology

VOLUME: 204

Page Numbers: 836-9

Journal Abbreviation: Exp. Neurol.

ISSN: 0014-4886

DAY: 13

MONTH: 01

YEAR: 2007

Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 370712

Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Keywords Mesh Terms:

KEYWORDS: Theta Rhythm

MESH TERMS: pharmacology

Chemical & Substance for Abstract: Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons. Information

Substance Name: Furosemide

Registry Number: 54-31-9

Grant and Affiliation Information for Theta-bursts induce a shift in reversal potentials for GABA-A receptor-mediated postsynaptic currents in rat hippocampal CA1 neurons.

AFFILIATION: Neuroscience Research Laboratory, Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, The University of British Columbia, Vancouver, Canada V6T 1Z3.

Country: United States

AGENCY: United States NINDS

GRANT: NS 30959

ACRONYM: NS

MEDLINETA: Exp Neurol

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