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Regul Pept. 1992 Apr 29;39(1):1-7.

Interleukin-1 beta increases synaptic inhibition in rat hippocampal pyramidal neurons in vitro.

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  • 1Department of Neuropharmacology, Scripps Research Institute, La Jolla, CA.

Abstract

Interleukin-1 (IL-1), a cytokine with a broad spectrum of biological activity, modulates electrical properties of central neurons in the brain. The effects of IL-1 beta (143 pM) on conductances opened by synaptic stimulation of the Schaffer collaterals were studied by intracellular recording of hippocampal pyramidal cells of the CA1 region. IL-1 beta enhanced and prolonged synaptic inhibition by about 2 to 3-fold. Heat-inactivated IL-1 beta had no effect. This finding implies that IL-1 beta changes interneuronal communication in the hippocampus with a possible impact on neuronal plasticity.

PMID:
1579655
[PubMed - indexed for MEDLINE]
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