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Updated: Aug 19, 2026
A High-throughput Calcium-flux Assay to Study NMDA-receptors with Sensitivity to Glycine/D-serine and Glutamate
Published on: July 10, 2018
In vitro characterization of novel NR2B selective NMDA receptor antagonists
Laszlo Kiss1, Gong Cheng, Bohumil Bednar
1Neuroscience Drug Discovery, Merck Research Laboratories, West Point, PA 19486, USA. laszlo_kiss@merk.com
Abstract:
N-Methyl-D-aspartate (NMDA) subunit specific receptor antagonism has potential therapeutic application for multiple CNS pathologies. MERCK 1, MERCK 2, and MERCK 3 are novel NR2B subtype selective NMDA receptor antagonists. The affinity and the kinetic mechanism of inhibition by these antagonists and ifenprodil were investigated using the whole-cell configuration of the patch clamp technique, calcium flux, and radioligand binding on a mouse cell line L(tk-) expressing recombinant human heteromeric NMDA receptors consisting of NR1a/NR2B subunit combinations. The rank order of potency, as determined by electrophysiology, was ifenprodil
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