Hostname: page-component-7479d7b7d-68ccn Total loading time: 0 Render date: 2024-07-11T22:49:35.024Z Has data issue: false hasContentIssue false

Postmortem Increases in GABA Receptor Binding To Membranes of Cat Central Nervous System

Published online by Cambridge University Press:  18 September 2015

Godfrey Tunnicliff
Affiliation:
Evansville Center for Medical Education Indiana University School of Medicine, Evansville, Indiana, U.S.A.
G.Keith Matheson*
Affiliation:
Evansville Center for Medical Education Indiana University School of Medicine, Evansville, Indiana, U.S.A.
*
Associate Professor of Anatomy, Evansville Center for Medical Education, Indiana University School of Medicine, PO Box 3287, Evansville, Indiana 47732 U.S.A
Rights & Permissions [Opens in a new window]

Summary:

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

GABA receptor binding in fifteen regions of cat central nervous system was investigated immediately postmortem and at twelve, twenty-four, and 72 hours postmortem. In each of the supraspinal areas studied, GABA binding increased with time-after-death. Changes after 24 hours occurred in the cerebellum, the visual cortex, the sensorimotor cortex. and the amygdala where more than a twofold increase in binding was observed. Increases were also noted in the thalamus, caudate nucleus, hippocampus, and hypothalamus. The results suggest that caution should be exercised in the interpretation of GABA binding data obtained from human brains that have not been treated in a similar postmortem manner.

Type
Research Article
Copyright
Copyright © Canadian Neurological Sciences Federation 1980

References

REFERENCES

Balfagón, G., Camacho, J.G., Gadeaciria, M., Somoza, G., and Defeudis, F.V., 1975. Comparison of GABA binding to synaptosomal fractions of seventeen regions of the feline central nervous system, Expl. Neurol., 48: 383386.CrossRefGoogle ScholarPubMed
Beaumont, K., Chilton, W.S., Yamamura, H.I., and Enna, S.J., 1978. Muscimol binding in rat brain: association with synaptic GABA receptors, Brain Res., 148: 153162.CrossRefGoogle ScholarPubMed
Bird, E.D. and Iversen, L.L., 1974. Huntington’s chorea. Post-mortem measurement of glutamic decarboxylase, choline acetyltransferase and dopamine in basal ganglia, Brain, 97: 457472.CrossRefGoogle ScholarPubMed
Enna, S.J., Kuhar, M.J., and Snyder, S.H., 1975. Regional distribution of postsynaptic receptor binding for gamma-aminobutyric acid (GABA) in monkey brain, Brain Res., 93: 168174.CrossRefGoogle ScholarPubMed
Enna, S.J., Bennett, J.P., Bylund, D.B., Snyder, S.H., Bird, E.D., and Iversen, L.L., 1976a. Alterations of brain neuro-transmitter receptor binding in Huntington’s chorea, Brain Res., 116: 531537.CrossRefGoogle Scholar
Enna, S.J., Bird, E.D., Bennett, J.P., Bylund, D.B., Yamamura, H.I., Iversen, L.L., and Snyder, S.H., 1976b. Huntington’s chorea: changes in neurotransmitter receptors in the brain. New Engl. J. Med., 294: 13051309.CrossRefGoogle ScholarPubMed
Enna, S.J., Bennett, J.P., Bylund, D.B., Creese, I., Burt, D.R., Charness, M.E., Yamamura, H.I., Simatov, R., and Snyder, S.H., 1977. Neurotransmitter receptor binding: regional distribution in human brain. Brain Res., 28: 233236.Google ScholarPubMed
Lloyd, K.G., Dreksler, S., and Bird, E.D., 1977a. Alterations in 3H-GABA binding in Huntington’s chorea, Life Sci., 21: 747754.CrossRefGoogle ScholarPubMed
Lloyd, K.G., Sheman, L., and Hornykiewicz, O., 1977b. Distribution of high affinity sodium-independent [3H] gamma-aminobutyric acid ([3H]-GABA) binding in the human brain: alterations in Parkinson’s disease, Brain Res., 127: 269278.CrossRefGoogle Scholar
Lowry, O.H., Rosebrough, N.J., Farr, A.L., and Randall, R.J., 1951. Protein measurement with the Folin phenol reagent, J. Biol. Chem., 193: 265275.CrossRefGoogle ScholarPubMed
McGeer, P.L., McGeer, E.G., and Wada, J.A., 1971. Glutamic decarboxylase in Parkinson’s disease and epilepsy, Neurology, 21: 10001007.CrossRefGoogle ScholarPubMed
Perry, T.L., Hansen, S., and Kloster, M., 1973. Huntington’s chorea. Deficiency of γ-aminobutyric acid in brain. New Engl. J. Med., 288: 337342.CrossRefGoogle ScholarPubMed
Rinne, U.K., Koskinen, V., Laaksonen, H., Lonnberg, P., and Sonninen, V., 1978. GABA receptor binding in the parkinsonian brain, Life Sci., 22: 22252228.CrossRefGoogle ScholarPubMed
Toffano, G., Guidotti, A., and Costa, E., 1978. Purification of an endogenous protein inhibitor of the high affinity binding of γaminobutyric acid to synaptic membranes of rat brain, Proc. Natl. Acad. Sci. (USA), 75: 40244028.CrossRefGoogle ScholarPubMed
Tunnicliff, G., 1979. Inhibition by pyri-doxal-51-phosphate of γaminobutyric acid receptor binding to synaptic membranes of cat cerebellum, Biochem. Biophys. Res. Comm., 87: 712718.CrossRefGoogle Scholar
Young, A.B., Enna, S.J., Zukin, S.R., and Snyder, S.H., 1976. Synaptic GABA receptor in mammalian CNS. In Roberts, E., Chase, T., and Tower, D.B. (Eds), GABA in Nervous System Function, Raven Press, New York, pp. 305317.Google Scholar
Zukin, S.R., Young, A.B., and Snyder, S.H., 1974. Gamma-aminobutyric acid binding to receptor sites in the rat central nervous system, Proc. Natl. Acad. Sci., 71: 48024807.CrossRefGoogle ScholarPubMed