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Description

A brain-permeable (thiazole-pyridine)alkyne compound that acts as a potent, selective and non-competitive mGluR5 (metabotropic glutamate receptor subtype-5) antagonist (IC50 = 5 nM in Ca2+-flux assay, Ki = 16 nM) with in vivo anxiolytic activity in a rodent model (ED50 = 1 mg/kg, ip and 7 mg/kg, po). Devoid of any side effects seen with MPEP and benzodiazepines. Reported to weakly affect the activities of other enzymes and receptors tested (IC50 = 30 µ,M for MAO-A, >100 µ,M for mGlu1R, 2R & 7R, and >300 µ,M for NR2BR).