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Nat Neurosci. 2010 Jul;13(7):822-4. doi: 10.1038/nn.2570. Epub 2010 May 30.

Target-selective GABAergic control of entorhinal cortex output.

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1
Department of Anatomy and Neurobiology, University of California, Irvine, Irvine, California, USA. cvarga@uci.edu

Abstract

The medial entorhinal cortex (MEC) is a major center for spatial navigation and memory. We found that cannabinoid type 1 receptor-expressing GABAergic basket cells selectively innervated principal cells in layer II of the rat MEC that projected outside the hippocampus but avoided neighboring cells that give rise to the perforant pathway to the dentate gyrus. These results indicate that the organization of GABAergic microcircuits reflects the long-distance axonal targets of principal neurons.

PMID:
20512133
PMCID:
PMC3139425
DOI:
10.1038/nn.2570
[Indexed for MEDLINE]
Free PMC Article
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