Excessive stimulation of glutamate receptors results in excitotoxicity and has a role in a variety of neurodegenerative disorders, including Huntington's disease. By blocking pathological extrasynaptic activity but preserving normal synaptic function, the N-methyl-D-aspartic acid (NMDA) receptor antagonist memantine—at the proper dosage—emerges as a potential treatment for such neurological disorders (pages 1407–1413).
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La Spada, A. Memantine strikes the perfect balance. Nat Med 15, 1355–1356 (2009). https://doi.org/10.1038/nm1209-1355
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DOI: https://doi.org/10.1038/nm1209-1355