Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Schoepp, D.D. et al.

Selective protection against AMPA- and kainate-evoked neurotoxicity by (3S,4aR,6R,8aR)-6-[2-(1(2)H-tetrazole-5-yl)ethyl]decahyd roisoquinoline- 3-carboxylic acid (LY293558) and its racemate (LY215490).

Glutamate receptor-mediated excitotoxicity is linked to the activation of multiple receptors including those activated by alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA), N-methyl-D-aspartate (NMDA), and kainate. In this study, the novel glutamate receptor antagonist, as its active isomer (3S,4aR,6R,8aR)-6-[2-(1(2)H-tetrazole-5-yl)ethyl]-decahyd roisoquinoline-3- carboxylic acid ((-)LY293558) and it's +/- racemate (LY215490), was examined for neuroprotectant effects against excitotoxic injury in vitro and in vivo. This agent selectively protected against AMPA and kainate injury in cultured primary rat hippocampal neurons, an in vivo rat striatal neurotoxicity model, and against agonist-evoked seizures in mice. Thus, (3S,4aR,6R,8aR)-6-[2-(1(2)H-tetrazole-5-yl)ethyl]decahydr -oisguino-line-3-carboxylic acid represents a novel receptor selective and potent systemically active AMPA/kainate receptor antagonist for exploring neuroprotection via non-NMDA receptor mechanisms.[1]

References

Selective protection against AMPA- and kainate-evoked neurotoxicity by (3S,4aR,6R,8aR)-6-[2-(1(2)H-tetrazole-5-yl)ethyl]decahyd roisoquinoline- 3-carboxylic acid (LY293558) and its racemate (LY215490). Schoepp, D.D., Salhoff, C.R., Fuson, K.S., Sacaan, A.I., Tizzano, J.P., Ornstein, P.L., May, P.C. Journal of neural transmission (Vienna, Austria : 1996) (1996) [Pubmed]

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