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Quantitative autoradiographic localization of NMDA, quisqualate and PCP receptors in the frog tectum

  • John W. McDonald
  • , Hollis T. Cline
  • , Martha Constantine-Paton
  • , William F. Maragos
  • , Michael V. Johnston
  • , Anne B. Young

Research output: Contribution to journalArticlepeer-review

Abstract

An organizing role for the N-methyl-d-aspartate (NMDA) receptor/channel has been suggested in the development of the retinotectal projection in Rana pipiens. The regional distributions of NMDA, phencyclidine (PCP) and quisqualic acid (QA) receptors were quantified using in vitro autoradiography in the tectum of normal and surgically produced 3-eyed juvenile frogs. NMDA and QA receptor binding was highest in the pretectum. Of the tectal layers, the superficial retinotectal synaptic zone, layer 9, had the highest amount of NMDA and QA receptor binding. Moderate binding was observed in layer 5, with little binding in the cellular layer 6. No specific [3H]N-(1-[2-thienyl]cyclohexyl piperidine ([3H]TCP) binding was observed in any of the tectal regions.

Original languageEnglish (US)
Pages (from-to)155-158
Number of pages4
JournalBrain Research
Volume482
Issue number1
DOIs
StatePublished - Mar 13 1989
Externally publishedYes

Keywords

  • Autoradiography
  • Excitatory amino acid
  • Frog
  • N-methyl-d-aspartic acid
  • Phencyclidine
  • Quisqualate
  • Tectum
  • Visual plasticity

ASJC Scopus subject areas

  • General Neuroscience
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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