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Neurobiol Learn Mem. 2008 Oct;90(3):580-3. doi: 10.1016/j.nlm.2008.06.004. Epub 2008 Jul 26.

Mice with targeted genetic reduction of GABA(A) receptor alpha1 subunits display performance differences in Morris water maze tasks.

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  • 1Department of Psychology, The University of Memphis, Memphis, TN 38152, USA.

Abstract

Recent research has begun to demonstrate that specific subunits of GABA(A) receptors may be involved in the normal expression of specific behaviors. The present research used mice with GABA(A) receptors whose alpha1 subunits contained mutations of serine 270 to histidine and leucine 277 to alanine in the TM2 region. The purpose was an attempt to examine the possible role that this particular subunit may have in learning the spatial and nonspatial version of the Morris water maze task. Mutant animals, compared to controls, displayed elevated levels of pool circling in both the spatial task and the nonspatial task. These results suggested that normal performance of the spatial and nonspatial water maze tasks may be dependent upon a natural alpha1 subunit array.

PMID:
18625330
[PubMed - indexed for MEDLINE]
PMCID:
PMC2581787
Free PMC Article

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