GABAergic inhibition in the rat pontine nuclei is exclusively extrinsic: evidence from an in situ hybridization study for GAD67 mRNA

被引:0
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作者
M. Möck
Cornelius Schwarz
Petra Wahle
Peter Thier
机构
[1] Sektion für Visuelle Sensomotorik,
[2] Neurologische Universitätsklinik Tübingen,undefined
[3] Hoppe-Seyler-Strasse 3,undefined
[4] D-72076 Tübingen,undefined
[5] Germany e-mail: martin moeck@uni-tuebingen.de Tel.: +49-7071-2987643,undefined
[6] Fax: +49-7071-295724,undefined
[7] Lehrstuhl für Allgemeine Zoologie und Neurobiologie,undefined
[8] Ruhr-Universität,undefined
[9] Gebäude ND,undefined
[10] D-44780 Bochum,undefined
[11] Germany,undefined
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关键词
Key words Cerebellum; Glutamic acid decarboxylase; GABA; Inhibition; Precerebellar nuclei;
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摘要
 As clearly indicated by our electrophysiological work, GABAergic inhibition plays a powerful role in the pontine nuclei (PN), the major link between cerebral cortex and the cerebellum. Using the technique of in situ hybridization for the mRNA encoding for the γ-aminobutyric acid (GABA)-synthesizing isoenzyme glutamic acid decarboxylase67 (GAD67), we demonstrate here the total absence of potentially GABAergic neurons from the rat PN. This negative finding supports the notion that GABAergic inhibition in the PN of rats, unlike that of higher mammals, is exclusively based on extrapontine GABAergic afferents.
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页码:529 / 532
页数:3
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