Article
Functional characterization of Tet-AMPA [tetrazolyl-2-amino-3-(3-hydroxy-5-methyl- 4-isoxazolyl)propionic acid] analogues at ionotropic glutamate receptors GluR1-GluR4. The molecular basis for the functional selectivity profile of 2-Bn-Tet-AMPA.
Journal of medicinal chemistry - 23 Aug 2007
Jensen Anders A, Christesen Thomas, Bølcho Ulrik, Greenwood Jeremy R, Postorino Giovanna, Vogensen Stine B, Johansen Tommy N, Egebjerg Jan, Bräuner-Osborne Hans, Clausen Rasmus P
Abstract excerpt
Four 2-substituted Tet-AMPA [Tet = tetrazolyl, AMPA = 2-amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic acid] analogues were characterized functionally at the homomeric AMPA receptors GluR1i, GluR2Qi, GluR3i, and GluR4i in a Fluo-4/Ca2+ assay. Whereas 2-Et-Tet-AMPA, 2-Pr-Tet-AMPA, and 2-iPr-Tet-AMPA were nonselective GluR agonists, 2-Bn-Tet-AMPA exhibited a 40-fold higher potency at GluR4i than at GluR1i....
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