Evaluation of Bicuculline as a GABA Antagonist (original) (raw)
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- Published: 01 October 1971
Nature volume 233, pages 352–354 (1971)Cite this article
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Abstract
THERE has been controversy recently about the reliability of bicuculline as an antagonist of the putative inhibitory transmitter γ-aminobutyric acid (GABA) in the brain1–3. Although the effects of bicuculline have so far been explained in terms of its combination with the GABA receptor, bicuculline might also affect the removal processes for GABA and the synthesis and release of endogenous GABA. We have therefore made quantitative analyses of the effects of iontophoretically applied bicuculline on the responses of neurones to GABA and have also estimated the effects of bicuculline on the concentration and turnover of GABA in the brain, GABA uptake and the synthetic and degradative enzymes glutamate decarboxylase (GAD) and 4-aminobutyrate : 2-oxoglutarate aminotransferase (GABA-T).
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Authors and Affiliations
- Department of Pharmacology, School of Pharmacy, University of London, 29/39 Brunswick Square, London, WC1N 1AX
D. W. STRAUGHAN, M. J. NEAL, M. A. SIMMONDS, G. G. S. COLLINS & R. G. HILL
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- D. W. STRAUGHAN
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STRAUGHAN, D., NEAL, M., SIMMONDS, M. et al. Evaluation of Bicuculline as a GABA Antagonist.Nature 233, 352–354 (1971). https://doi.org/10.1038/233352a0
- Received: 21 May 1970
- Revised: 29 June 1970
- Issue Date: 01 October 1971
- DOI: https://doi.org/10.1038/233352a0