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A metabotropic glutamate receptor involved in lateral inhibition in the olfactory bulbus Tomoyuki TAKAHASHI 1 1Department of Neurophysiology, Institute for Brain Research, Faculty of Medicine, University of Tokyo pp.919-923
Published Date 1996/12/10
DOI https://doi.org/10.11477/mf.1431900797
  • Abstract
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Lateral inhibition is an essential mechanism for enhancing a contrast in sensory signals. In the olfactory bulbus, mitral and granule cells form dendrodendritic synapses with each other. At these synapses, a mitral cell releases L-glutamate, thereby exciting granule cells. The excited granule cells release GABA, thus generating feedback inhibition onto mitral cells. We have recently demonstrated that the mGluR2 subtype of metabotropic glutamate receptor is highly localized at these synapses, in particular at the postsynaptic granule cell membrane in the accessory olfactory bulbus.


Copyright © 1996, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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