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  • Title: [Inefficacy of N-methyl-D-aspartate receptor complex antagonists on behavioral and histologic consequences of global cerebral ischemia in rats].
    Author: Allaf R, Vistelle R, Boulu RG.
    Journal: Ann Pharm Fr; 2000 Jul; 58(4):266-70. PubMed ID: 10915975.
    Abstract:
    Glutamic acid, an excitatory amino acid, has been proposed to play a major deleterious influence in cerebral ischemia. However, the neuroprotective activity of various glutamate receptor antagonists is often low or absent, according to the animal model used. In the present study, we examined the effect of several antagonists acting on glutamate receptors of the N-methyl-D-aspartate (NMDA) type in rats submitted to a brief (5 minutes) global cerebral ischemia. The different compounds used were poorly active or inactive on behavioural and histologic alterations induced by ischemia. Our results suggest that, in this model, overactivation of NMDA receptor complex does not play a predominant role in the pathogenesis of ischemic brain damage.
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