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doi:10.1016/j.neures.2005.07.002 
Copyright © 2005 Elsevier Ireland Ltd and the Japan Neuroscience Society All rights reserved.
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Modulating effect of hydrogen sulfide on gamma-aminobutyric acid B receptor in recurrent febrile seizures in rats
Received 6 April 2005;
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Abstract
Hydrogen sulfide (H2S) is recognized as a new neuromodulator in regulating various brain functions. Some of our recent studies showed that H2S alleviates the hippocampal damage induced by recurrent febrile seizures (FS). In the present study, we used a rat model of recurrent FS and found that sodium sulfhydrate (NaHS, a donor of H2S) down-regulated the expression of c-fos and increased the expression of gamma-aminobutyric acid B receptor subunits 1 (GABABR1) and 2 (GABABR2). Hydroxylamine (an inhibitor of cystathionine b-synthase) up-regulated the expression of c-fos and down-regulated the expression of GABABR2, but did not change the expression of GABABR1. These results suggest that H2S plays a regulatory role through modulating GABABR function in the pathogenesis of recurrent FS.
Keywords: Hydrogen sulfide; Cystathionine b-synthase; Gamma-aminobutyric acid; Receptor; Febrile seizure
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