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Role of Glycine in the N-Methyl-d-Aspartate-Mediated Neuronal Cytotoxicity
| Content Provider | Scilit |
|---|---|
| Author | Patel, Jitendra Zinkand, William C. Thompson, Carolann Keith, Richard Salama, Andre |
| Copyright Year | 1990 |
| Description | Journal: Journal of Neurochemistry Current evidence indicates that glutamate acting via the N-methyl-D-aspartate (NMDA) receptor/ion channel complex plays a major role in the neuronal degeneration associated with a variety of neurological disorders. In this report the role of glycine in NMDA neurotoxicity was examined. We demonstrate that NMDA-mediated neurotoxicity is markedly potentiated by glycine and other amino acids, e.g., D-serine. Putative glycine antagonists HA-966 and 7-chlorokynurenic acid were highly effective in preventing NMDA neurotoxicity, even in the absence of added glycine. The neuroprotective action of HA-966 and 7-chlorokynurenic acid, but not that of NMDA antagonists 3-(2-carboxypiperazine-4-yl)propylphosphonate and MK-801, could be reversed by glycine. These results indicate that glycine, operating through a strychinine-insensitive glycine site, plays a central permissive role in NMDA-mediated neurotoxicity. |
| Related Links | http://onlinelibrary.wiley.com/doi/10.1111/j.1471-4159.1990.tb02329.x/pdf |
| Ending Page | 854 |
| Page Count | 6 |
| Starting Page | 849 |
| e-ISSN | 14714159 |
| DOI | 10.1111/j.1471-4159.1990.tb02329.x |
| Journal | Journal of Neurochemistry |
| Issue Number | 3 |
| Volume Number | 54 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 1990-03-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Neurochemistry Excitatory Amino Acids N‐methyl‐d‐aspartate–glycine |
| Content Type | Text |
| Resource Type | Article |