2141673

Lamotrigine protects against kainate but not ibotenate lesions in rat striatum.

Article date: 1990/5/4

PubMed ID: 2141673

Journal name: Neuroscience letters (ISSN: 0304-3940)

ABSTRACT

Pretreatment of rats with 8-16 mg/kg of lamotrigine 1 h before intrastriatal injections of 2 nm of kainic acid significantly attenuated the neurotoxicity as evidenced by measurements of striatal choline acetyltransferase and glutamate decarboxylase activities. No significant effect was seen on the toxicity of intrastriatal injections of quinolinic acid or ibotenic acid. These differential effects are further evidence that these neurotoxins act at different excitatory amino acid receptors and that the neurotoxicity of kainate is uniquely dependent on neuronally released glutamate.

This document is available from: http://directlinks.cc/files/muscimol/2141673.pdf

Author List: McGeer E G, Zhu S G

Publication Types: Journal Article; Research Support, Non-U.S. Gov't

Substances mentioned in the article: Anticonvulsants; Neurotoxins; Quinolinic Acids; Triazines; Ibotenic Acid; Choline O-Acetyltransferase; Glutamate Decarboxylase; Quinolinic Acid; Kainic Acid; lamotrigine;

Mesh terms: Animals; Anticonvulsants/pharmacology; Choline O-Acetyltransferase/metabolism; Corpus Striatum/drug effects; Dose-Response Relationship, Drug; Glutamate Decarboxylase/metabolism; Ibotenic Acid/toxicity; Kainic Acid/toxicity; Male; Neurotoxins/pharmacology; Quinolinic Acid; Quinolinic Acids/toxicity; Rats; Rats, Inbred Strains; Triazines/pharmacology;

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