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Updated: May 27, 2026

A High-throughput Calcium-flux Assay to Study NMDA-receptors with Sensitivity to Glycine/D-serine and Glutamate
Published on: July 10, 2018
Exaggerated NMDA mediated LTD in a mouse model of Down syndrome and pharmacological rescuing by memantine
Jonah J Scott-McKean1, Alberto C S Costa
1Neuroscience Training Program, University of Colorado, Anschutz Medical Campus, Aurora, Colorado 80045, USA.
Abstract:
The Ts65Dn mouse is the best-studied animal model for Down syndrome. In the experiments described here, NMDA-mediated or mGluR-mediated LTD was induced in the CA1 region of hippocampal slices from Ts65Dn and euploid control mice by bath application of 20 µM NMDA for 3 min and 50 µM DHPG for 5 min, respectively. We found that Ts65Dn mice display exaggerated NMDA-induced, but not mGluR-induced, LTD in the CA1 region of the hippocampus compared with euploid control animals. In addition, this abnormal level of LTD can be pharmacologically rescued by the NMDA receptor antagonist memantine.
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