A Close Structural Analog of 2-Methyl-6-(phenylethynyl)-pyridine Acts as a Neutral Allosteric Site Ligand on Metabotropic Glutamate Receptor Subtype 5 and Blocks the Effects of Multiple Allosteric Modulators
Rodriguez A, Nong Y, Sekaran N, Alagille D, Tamagnan G, Conn P. A Close Structural Analog of 2-Methyl-6-(phenylethynyl)-pyridine Acts as a Neutral Allosteric Site Ligand on Metabotropic Glutamate Receptor Subtype 5 and Blocks the Effects of Multiple Allosteric Modulators. Molecular Pharmacology 2005, 68: 1793-1802. PMID: 16155210, DOI: 10.1124/mol.105.016139.Peer-Reviewed Original ResearchConceptsMetabotropic glutamate receptor subtype 5Subtype 5Allosteric siteG protein-coupled receptorsProtein-coupled receptorsMajor excitatory neurotransmitterCentral nervous systemMPEP siteAntagonist MPEPBinding of glutamateOnly partial inhibitionExcitatory neurotransmitterSubthalamic nucleusCalcium mobilizationNervous systemSite ligandsAllosteric modulatorsPartial antagonistValuable new toolNovel compoundsValuable new insightsOrthosteric ligandsAllosteric modulationFunctional effectsNative systemsSynthesis and receptor assay of aromatic–ethynyl–aromatic derivatives with potent mGluR5 antagonist activity
Alagille D, Baldwin R, Roth B, Wroblewski J, Grajkowska E, Tamagnan G. Synthesis and receptor assay of aromatic–ethynyl–aromatic derivatives with potent mGluR5 antagonist activity. Bioorganic & Medicinal Chemistry 2005, 13: 197-209. PMID: 15582465, DOI: 10.1016/j.bmc.2004.09.042.Peer-Reviewed Original ResearchConceptsNoncompetitive antagonistMetabotropic glutamate receptor subtype 5Potent mGluR5 antagonistNervous system disordersMGluR5 antagonistSubtype 5Novel noncompetitive antagonistSystem disordersAntagonist activityAntagonistPotential therapeuticsDrug addictionSAR studiesInactive productsCritical roleMGluR5MPEPPain