Biological Description
Subtype selective and potent non-competitive mGlu5 antagonist (IC50 = 36 nM). Central effects following systemic administration in vivo. |
Useful References
Salt et al (1999) Antagonism of the mGlu5 agonist 2-chloro-5-hydroxyphenylglycine by the novel selective mGlu5 antagonist 6-methyl-2-(phenylethynyl)-pyridine (MPEP) in the thalamus. Br.J.Pharmacol. 127:1057.
Gasparini et al (1999) 2-Methyl-6-(phenylethynyl)-pyridine (MPEP), a potent, selective and systemically active mGlu5 receptor antagonist. Neuropharmacology 38:1493.
Malherbe et al (2003) Mutational analysis and molecular modelling of the binding pocket of the metabotropic glutamate 5 receptor negative modulator 2-methyl-6-(phenylethynyl)-pyridine. Mol.Pharmacol. 64:823
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Shin et al. (2009) Depolarization-induced slow current in cerebellar purkinje cells does not require metabotropic glutamate receptor 1. J Neurosci abstract
Dickenson et al. (2009) A novel mechanism of hippocampal LTD involving muscarinic receptor-triggered interactions between AMPAs, GRIP and liprin-alpha. Molecular Brain 2: 18. abstract |
Chemical Information
2-Methyl-6-(phenylethynyl)pyridine hydrochloride |

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- Desiccate at +4°C
- MW 229.71
- Soluble to 5 mM in water and to 100 mM in ethanol and to 100 mM in DMSO
- C14H11N.HCl
- 96206-92-7
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