Specific Quisqualate Receptor Ligand Blocks Both Kainate and Quisqualate Responses

  • Tage Honore
  • Malcom Sheardown
  • Elsebet Ø. Nielsen
  • Jørgen Drejer
  • Anker J. Hansen
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 268)


Excitatory amino acid (EAA) receptors were originally divided in NMDA receptors and nonNMDA receptors based on electrophysiological evidence 1. The non-NMDA subtype of excitatory amino acid receptors can be further subdivided in two types, the kainate and the quisqualate (AMPA•) receptors. GDEE discriminate between the two agonists, being more active against quisqualate induced responses, when administered ionophoretically in vivo; however, this selectivity was not seen with bath application in vitro1,6,7. Another compound GAMS, although weak, show a reasonable degree of non-NMDA receptor antagonism8. Further development of selective kainate and/or AMPA receptor antagonists has been relatively slow.


NMDA Receptor AMPA Receptor Neuronal Cell Death Excitatory Amino Acid Mongolian Gerbil 


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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Tage Honore
    • 1
  • Malcom Sheardown
    • 1
  • Elsebet Ø. Nielsen
    • 1
  • Jørgen Drejer
    • 1
  • Anker J. Hansen
    • 1
  1. 1.Ferrosan CNS divisionSøborgDenmark

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