ABP688 is a high affinity human mGluR5 antagonist with anKi of 1.7 nM. Radioisotope-labeled ABP688 can be used as a PET tracer for clinical imaging of the mGlu5 receptor[1].
AZD 2066 is a selective, orally active and brain-penetrant mGluR5 antagonist, with analgesia activity[1].
(±)-LY367385 is the racemate of LY367385. LY367385 is a highly potent and selective mGluR1a antagonist. LY367385 has an IC50 of 8.8 μM for inhibits of quisqualate-induced phosphoinositide (PI) hydrolysis, compared with > 100 μM for mGlu5a[1][2].
L-Glutamine-13C5,d5,15N2 (L-Glutamic acid 5-amide-13C5,d5,15N2) is the deuterium, 13C-, and 15-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
Mavoglurant is a structurally novel, non-competitive mGlu5 receptor antagonist, has an IC50 of 30 nM in a functional assay with human mGluR5.IC50 value: 30 nMTarget: mGluR5in vitro: Mavoglurant is a selective non-competitive antagonist which showed efficacy in the treatment of L-dopa induced dyskinesias in Parkinson's disease and Fragile X mental retardation in proof of principle studies. Mavoglurant is selective over the other mGluR subtypes, iGluRs and a panel of 238 CNS relevant receptors, transporter or enzymes. [1]In vivo: Mavoglurant shows an improved pharmacokinetic profile in rat and efficacy in the stress-induced hyperthermia test in mice as compared to the prototypic mGluR5 antagonist MPEP.[1]
CTEP is a novel, long-acting, orally bioavailable allosteric antagonist of mGlu5 receptor with IC50 of 2.2 nM, and shows > 1000-fold selectivity over other mGlu receptors.
3,3'-Difluorobenzaldazine (DFB) is a selective positive allosteric modulator of mGluR5. 3,3'-Difluorobenzaldazine potentiates 3- to 6-fold action for mGlu5 agonists (Glutamate, Quisqualate, and 3,5-Dihydroxyphenylglycine), with EC50s in the 2 to 5 μM range[1].
LY367385 is a highly potent and selective mGluR1a antagonist. LY367385 has an IC50 of 8.8 μM for inhibits of quisqualate-induced phosphoinositide (PI) hydrolysis, compared with > 100 μM for mGlu5a. LY367385 has neuroprotective, anticonvulsant and antiepileptic effects[1][2].
MFZ 10-7 hydrochloride is a highly potent and selective mGluR5 NAM (negative allosteric modulator), with a Ki of 0.67 nM for rat mGluR5. MFZ 10-7 hydrochloride inhibits cocaine-taking and cocaine-seeking behavior in rats[1].
L-Glutamine-2-13C (L-Glutamic acid 5-amide-2-13C) is the 13C-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
LY456236 is a selective, non-competitive and orally active mGlu1 receptor antagonist that inhibits phosphoinositide hydrolysis with an IC50 of 0.145 μM. LY456236 also inhibits EGFR with an IC50 of 0.91 μM[1][3].
Dipraglurant (ADX 48621) is a mGluR5 antagonists with IC50 of 0.021 μM. IC50 Value: 0.021 μM [1]Target: mGluRDipraglurant (ADX-48621) from Addex Therapeutics showed in vivo activity in different anxiety models in rat50 and is currently in phase II for the treatment of dyskinesia in Parkinson's disease.
VU0469650 is a potent, selective and CNS-penetrated negative allosteric modulator of mGlu1 receptor, with an IC50 of 99 nM[1].
(1S,3R)-ACPD is a mGluR agonist that can depolarize pyramidal cells[1].
4-Deoxypyridoxine 5'-phosphate is a Pyridoxal 5'-phosphate analogue and a sphingosine 1-phosphate (S1P) inhibitor. 4-Deoxypyridoxine 5'-phosphate inhibits ornithine decarboxylase activity with a Ki of 60 μM. 4-Deoxypyridoxine 5'-phosphate is a competitive inhibitor of the activation of glutamate apodecarboxylase by Pyridoxal 5'-phosphate (Ki of 0.27 μM) and strongly inhibits glutamate-dependent labeling of glutamate decarboxylase[1][2][3].
Desmethyl-YM-298198 hydrochloride is a high-affinity, selective, and noncompetitive mGluR1 antagonist (IC50: 16 nM). Desmethyl-YM-298198 hydrochloride has analgesic effect in Streptozotocin (HY-13753)-induced hyperalgesic mice[1].
HTL14242 (HTL0014242) is an advanced, orally active and potent mGlu5 NAM with a pKi and pIC50 value of 9.3 and 9.2, respectively[1]. HTL14242 can be used for the study of Parkinson’s disease[2].
AMN082, a selective, orally active, and brain penetrant mGluR7 agonist, directly activates receptor signaling via an allosteric site in the transmembrane domain. AMN082 potently inhibits cAMP accumulation and stimulates GTPγS binding (EC50 values, 64-290 nM) at transfected mammalian cells expressing mGluR7. AMN082 shows selectivity over other mGluR subtypes and selected ionotropic glutamate receptors. Antidepressant effects[1][2].
LY404039 is an inhibitor for mGluR1(Ki=149 nM) and mGluR2(Ki= 92 nM), which can also inhibit dopamine receptor.IC50 Value:149 nM(Ki for mGlu2); 92 nM(Ki for mGlu3)[1]Target: mGluR1; mGluR2Metabotropic glutamate (mGlu) receptors have been shown to mediate a number of behaviors including emotionality and responsivity to stress as demonstrated by efficacy in preclinical and clinical studies.in vitro: Similar to LY354740, LY404039 is a nanomolar potent agonist at recombinant human mGlu2 and mGlu3 receptors (K(i) = 149 and 92, respectively) and in rat neurons expressing native mGlu2/3 receptors (Ki = 88). LY404039 is highly selective for mGlu2/3 receptors, showing more than 100-fold selectivity for these receptors, versus ionotropic glutamate receptors, glutamate transporters, and other receptors targeted by known anxiolytic and antipsychotic medications[1].in vivo: LY404039 attenuated amphetamine- and phencyclidine-induced hyperlocomotion (3-30 and 10 mg/kg, respectively). LY404039 (3-10 mg/kg) inhibited conditioned avoidance responding. LY404039 also reduced fear-potentiated startle in rats (3-30 microg/kg) and marble burying in mice (3-10 mg/kg), indicating anxiolytic-like effects. Importantly, LY404039 did not produce sedative effects or motor impairment as measured by rotarod performance and lack of escape failures in the conditioned avoidance task (at doses up to 30 and 10 mg/kg, respectively). LY404039 (10 mg/kg) also increased dopamine and serotonin release/turnover in the prefrontal cortex [3].Clinical trial: An Absolute Bioavailability Study of LY-2140023 and LY-404039 in Healthy Subjects Using the Intravenous Tracer Method. Phage1
L-Glutamine-13C5,15N2 (L-Glutamic acid 5-amide-13C5,15N2) is the 13C- and 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells[1][2].
VU0366248 is a mGlu5 negative allosteric modulator[1].
EGLU ((2S)-α-Ethylglutamic acid; (2S)-α-EGLU) is a potent and competitive mGluR-2 receptor antagonist. EGLU interacts with (lS,3S)-ACPD-sensitive site with a Kd value of 66 μM. EGLU is an antidepressant agent[1].
(2R,4R)-APDC is a selective group II metabotropic glutamate receptors (mGluRs) agonist. (2R,4R)-APDC has anticonvulsant and neuroprotective effects[1][2].
mGluR2 modulator 4 (compound 47) is a potent mGluR2 positive allosteric modulator with an EC50 value of 0.8 μM. mGluR2 modulator 4 can be used for researching antipsychotic[1].
LY487379 hydrochloride is a selective human mGluR2 positive allosteric modulator (PAM). LY487379 hydrochloride potentiates glutamate-stimulated [35S]GTPγS binding with EC50 values of 1.7 μM and >10 μM for mGlu2 and mGlu3 receptors respectively. LY487379 hydrochloride promotes cognitive flexibility and facilitates behavioral inhibition in a rat model. LY487379 hydrochloride can be used for schizophrenia research[2].
JNJ-46281222 is an metabotropic glutamate (mGlu) 2-selective, highly potent PAM (positive allosteric modulator) with nanomolar affinity (Kd = 1.7 nM) and a high modulatory potency (pEC50 = 7.71)[1].
ML254 is a potent mGlu5 potentiator, with EC50 and pEC50 of 9.3 nM and 8.03 nM for rat mGlu5, respectively. ML254 can be used for researching schizophrenia[1].
DHPG ((RS)-3,5-DHPG) is an amino acid, which acts as a selective and potent agonist of group I mGluR (mGluR 1 and mGluR 5), shows no effect on Group II or Group III mGluRs[1]. DHPG ((RS)-3,5-DHPG) is also an effective antagonist of mGluRs linked to phospholipase D[2].
DMeOB is an agonist of mGluR5 receptor with an IC50 of 3 μM. DMeOB has a negative modulatory effect[1].
LY2140023 is an orally active prodrug of LY404039. LY404039 is a selective metabotropic glutamate 2/3 receptor agonist. LY2140023 is currently for the treatment of schizophrenia[1].