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Neuroscience. 1988 May;25(2):613-24.

Localization of glycine receptors in the rat central nervous system: an immunocytochemical analysis using monoclonal antibody.

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  • 1Department of Anatomy II, Osaka University Medical School, Osaka, Japan.


The localization of glycine receptors was immunocytochemically examined in the rat brain using a monoclonal antibody against the affinity-purified glycine receptor. Glycine receptors were concentrated in the lower brainstem, whereas no immunoreactivity was observed in the diencephalon and forebrain except in a few diencephalic nuclei. The highest density of receptors was found in the cranial motor nuclei, reticular formation, parabrachial area, dorsal and ventral cochlear nuclei, and dorsal and ventral tegmental nuclei. Differences were observed in the distribution of immunoreactive elements in the various brain regions. In the cerebellar cortex, the immunoreactivity was exclusively seen along the dendrites of the Purkinje cells. On the other hand, glycine receptors were detected on the cellular membrane of the soma of the cochlear nuclei, trigeminal motor nucleus, parabrachial area, lateral reticular nucleus, dorsal nucleus of the lateral lemniscus, cerebellar nuclei, trigeminal spinal nucleus, anterior horn and reticular formation. In other regions, the receptors were evenly distributed throughout the neuropil.

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