LY404039 is a potent and selective group II metabotropic glutamate receptors mGluR2/3 agonist (Ki = 15 nM against against [3H]LY341495 for binding rat neurons; Ki = 149 nM and 92 nM, respectively, using membrane from human mGluR2- or mGluR3-expressing cells) with >100-fold selectivity over 16 other receptors/transproters, including iGluRs and EAAT1/2/3. LY404039 inhibits forskolin-stimulated c-AMP production in RGT cells expressing human mGluR2 (EC50 = 23 nM) or mGluR3 (EC50 = 48 nM) with little or no potency toward mGluR1a/5a/4a/6/7a/8a-expressing cells (EC50 >10 μM). LY404039 is orally available (Cmax 1528.5 ng/mL, Tmax 2 h; 10 mg/kg p.o. in rats) and exhibits antipsychotic and anxiolytic efficacy in rats (3-30 mg/kg) in vivo.
Orally available, potent and selective metabotropic glutamate receptors mGluR2 & mGluR3 agonist with antipsychotic and anxiolytic efficacy in vivo.
Accumulating evidence suggests functional interaction between brain-derived neurotrophic factor (BDNF) and metabotropic glutamate receptor (mGluR) signaling pathways in the central nervous system (CNS). To date, eight subtypes of mGluRs, mGluR1-8, have been identified, and a previous study suggested that BDNF
Normalization of altered glutamate neurotransmission through activation of the mGluR2 has emerged as a new approach to treat schizophrenia. These studies describe a potent brain penetrant mGluR2 positive allosteric modulator (PAM), SAR218645. The compound behaves as a selective PAM of
Data from both preclinical and clinical studies have provided proof of concept that modulation of limbic and forebrain glutamate, via mGlu2/3 receptor agonists, might provide therapeutic benefits in many psychiatric disorders including schizophrenia and anxiety. The aim of this study