Tetrahydroaminoacridine potentiates neurotoxicity of quinolinic acid in rat striatum

Neurosci Lett. 1988 Dec 19;95(1-3):252-6. doi: 10.1016/0304-3940(88)90666-0.

Abstract

Intraperitoneal injection of 5 mg/kg of tetrahydro-9-amino-acridine (THA) in rats 1 h before intrastriatal injection of 50-150 nmol of quinolinic acid potentiated the local neurotoxicity as indicated by measurements of striatal levels of glutamate decarboxylase and choline acetyltransferase. A larger dose (10 mg/kg) THA had no significant effect. The results are discussed in terms of THA's binding to various elements of the NMDA/sigma receptor complex and reported data on such binding are confirmed.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aminoacridines / pharmacology*
  • Animals
  • Choline O-Acetyltransferase / metabolism
  • Corpus Striatum / drug effects
  • Corpus Striatum / metabolism*
  • Dose-Response Relationship, Drug
  • Drug Interactions
  • Glutamate Decarboxylase / metabolism
  • Male
  • Neurotoxins / pharmacology*
  • Pyridines / toxicity*
  • Quinolinic Acid
  • Quinolinic Acids / toxicity*
  • Rats
  • Rats, Inbred Strains
  • Tacrine / pharmacology*

Substances

  • Aminoacridines
  • Neurotoxins
  • Pyridines
  • Quinolinic Acids
  • Tacrine
  • Choline O-Acetyltransferase
  • Glutamate Decarboxylase
  • Quinolinic Acid