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Cell type–specific gating of perisomatic inhibition by cholecystokinin

Cell type–specific gating of perisomatic inhibition by cholecystokinin Parvalbumin- and cholecystokinin (CCK)-expressing basket cells provide two parallel, functionally distinct sources of perisomatic inhibition to postsynaptic cells. We show that exogenously applied CCK enhances the output from rat parvalbumin-expressing basket cells, while concurrently suppressing GABA release from CCK-expressing neurons through retrograde endocannabinoid action. These results indicate that CCK may act as a molecular switch that determines the source of perisomatic inhibition for hippocampal principal cells. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Neuroscience Springer Journals

Cell type–specific gating of perisomatic inhibition by cholecystokinin

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References (15)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Nature Publishing Group
Subject
Biomedicine; Biomedicine, general; Neurosciences; Behavioral Sciences; Biological Techniques; Neurobiology; Animal Genetics and Genomics
ISSN
1097-6256
eISSN
1546-1726
DOI
10.1038/nn1952
Publisher site
See Article on Publisher Site

Abstract

Parvalbumin- and cholecystokinin (CCK)-expressing basket cells provide two parallel, functionally distinct sources of perisomatic inhibition to postsynaptic cells. We show that exogenously applied CCK enhances the output from rat parvalbumin-expressing basket cells, while concurrently suppressing GABA release from CCK-expressing neurons through retrograde endocannabinoid action. These results indicate that CCK may act as a molecular switch that determines the source of perisomatic inhibition for hippocampal principal cells.

Journal

Nature NeuroscienceSpringer Journals

Published: Aug 5, 2007

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