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J Med Chem. 2008 Feb 14;51(3):634-47. doi: 10.1021/jm0611298. Epub 2008 Jan 4.

Positive and negative modulation of group I metabotropic glutamate receptors.

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Institute of Organic Synthesis, Riga, Latvia.


A discriminating pharmacophore model for noncompetitive metabotropic glutamate receptor antagonists of subtype 1 (mGluR1) was developed that facilitated the discovery of moderately active mGluR1 antagonists. One scaffold was selected for the design of several focused libraries where different substitution patterns were introduced. This approach facilitated the discovery of potent mGluR1 antagonists, as well as positive and negative mGluR5 modulators, because both receptor subtypes share similar binding pockets. For mGluR1 antagonists, a homology model of the mGlu1 receptor was established, and a putative binding mode within the receptor's transmembrane domain was visualized.

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