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Anxiolytic-like Activity of SB-205384 in the Elevated Plus-Maze Test in Mice

Anxiolytic-like Activity of SB-205384 in the Elevated Plus-Maze Test in Mice

José Francisco Navarro, Estrella Burón, Mercedes Martín-López

Psicothema. 2006 Feb;18(1):100-4.

PMID: 17296016

Abstract:

Recent studies point to a major role for alpha2-containing GABA-A receptors in modulating anxiety. However, the possible implication of GABA-A receptors containing the alpha3 subunit on anxiety is less known. The aim of this study was to examine the effects of SB-205384 (0.5-4 mg/kg, i.p.), an alpha3 subunit positive modulator of GABA-A receptor, on anxiety tested in the elevated plus-maze in male mice, using classical and ethological parameters. Mice treated with SB-205384 showed an increase in the frequency of entries and the time spent in open arms, as well as a reduction in the time spent in closed arms, as compared with the control group. A notable increase of "head-dipping" unprotected and a reduction of "stretched-attend posture" protected was also evident. These findings indicate that SB-205384 exhibits an anxiolytic-like profile in the elevated plus-maze test, suggesting that GABA-A receptors which contain the alpha3 subunit might be involved in regulation of anxiety.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP160296139	SB 205384		160296-13-9	Price

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