Neurons and glia in cat superior colliculus accumulate [3H]gamma-aminobutyric acid (GABA)

The Journal of Comparative Neurology
R R MizeP Sterling

Abstract

We have examined by autoradiography the labeling pattern in the cat superior colliculus following injection of tritiated gamma-aminobutyric acid (GABA). Silver grains were heavily distributed within the zonal layer and the upper 200 micrometer of the superficial gray. Fewer grains were observed deeper within the superficial gray, and still fewer were found within the optic and intermediate gray layers. The accumulation of label was restricted to certain classes of neuron and glia. Densely labeled neurons were small (8-12 micrometer in diameter) and located primarily within the upper 200 micrometer. Dark oligodendrocytes and astrocytes showed a moderate accumulation of label while pale oligodendrocytes and microglia were unlabeled. Label was also selectively accumulated over several other types of profile within the neuropil, including presynaptic dendrites, axons, and axon terminals.

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Citations

Apr 1, 1983·Journal of Neuroscience Methods·C H Street, R R Mize
Mar 1, 1990·Brain Research. Developmental Brain Research·S S WartonR Grantyn
May 1, 1993·Neuroscience·A Gonzalo-RuizR F Spencer
Mar 1, 1986·Brain Research Bulletin·G Baetge, M D Gershon
Feb 7, 2001·Consciousness and Cognition·T V Sewards, M A Sewards
Apr 20, 1983·The Journal of Comparative Neurology·N R KriegerP Sterling
Apr 1, 1982·The Journal of Comparative Neurology·R R MizeP Sterling
May 1, 1992·The Journal of Comparative Neurology·M E Bickford, W C Hall

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