mGluR2 Antagonist

LY341495 is a metabotropic glutamate receptor (mGluR) antagonist with IC₅₀s of 21 nM, 14 nM, 7.8 μM, 8.2 μM, 170 nM, 990 nM, 22 μM for mGlu2, mGlu3, mGlu1a, mGlu5a, mGlu8, mGlu7, and mGlu4 receptors, respectively.

LY3020371 hydrochloride is a potent, selective metabotropic glutamate 2/3 receptor (mGlu2/3) antagonist with K_i of 5.3 and 2.5 nM, potently blocks cAMP formation with IC₅₀ of 16.2 nM. LY3020371 hydrochloride exerts an antidepressant-like signature in vivo.

mGluR2 antagonist 1 is a highly potent, orally bioavailable and selective class of mGluR2 negative allosteric modulator (IC₅₀ of 9 nM) with excellent brain permeability.

Oxomemazine is a phenothiazine-based histamine H1-receptor blocker. Oxomemazine is a selective antagonist for muscarinic M1 receptor, displays about 20-fold difference in the affinity for high (K_i = 84 nM, M1 receptor) and low (K_i = 1.65 μM, M2 receptor) affinity sites. Oxomemazine is an antihistamine and anticholinergic agent used for the study of cough treatment. Oxomemazine is protective against anaphylactic microshock in guinea pigs.

LY3020371 is a potent and selective antagonist of glutamate (mGlu) 2/3 receptor, with K_is of 5.26 and 2.50 nM for hmGluR2 and hmGluR3, respectively. LY3020371 can be used for the research of depression.

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 K_d value of 66 μM. EGLU is an antidepressant agent.

(RS)-APICA is a selective group II metabotropic glutamate receptor (mGluR II) antagonist. (RS)-APICA shows potential neuroprotective effect.

LY3027788, a diester analog of LY3020371 which is an mGlu2/3 receptor antagonist, is a potent and orally active prodrug of LY3020371. LY3027788 has antidepressant efficacy.

Ro-65-3479 is a selective metabotropic glutamate receptor (mGlu2/3) antagonist. Ro-65-3479 blocks glutamate-induced signaling and modulates calcium channel activity. Ro-65-3479 is promising for research of disorders involving glutamatergic dysregulation, such as anxiety, schizophrenia, and neurodegenerative diseases.

LY3027788 hydrochloride, a diester analog of LY3020371 which is an mGlu2/3 receptor antagonist, is a potent and orally active prodrug of LY3020371. LY3027788 hydrochloride has antidepressant efficacy.

BAY 36-7620 is a potent and noncompetitive antagonist of mGlu1 Receptor (IC₅₀=0.16 μM) with inverse agonist activity. BAY 36-7620 inhibits tumor growth and prolongs the survival of mice with tumors by inhibiting mGlu1 receptor. BAY 36-7620 suppresses AKT phosphorylation in A549 tumors. BAY 36-762 has neuroprotective effect in acute subdural hematoma rat model.BAY 36-7620 is used in non-small cell lung cancer and breast cancer research.

LY 541850 is claimed from human ionotropic and metabotropic glutamate (mGlu) receptors expressed in non-neuronal cells. LY541850 is a selective orthosteric mGlu2 agonist and mGlu3 antagonist with IC₅₀ values of 0.161 μM and 0.038 μM, respectively.

Oxomemazine hydrochloride is a phenothiazine-based histamine H1-receptor blocker with pronounced antimuscarinic properties. Oxomemazine hydrochloride is a selective antagonist for muscarinic M1 receptor, displays about 20-fold difference in the affinity for high (K_i= 84 nM, M1 receptor) and low (K_i= 1.65 μM, M2 receptor) affinity sites^{[1]. Oxomemazine hydrochloride an antihistamine and anticholinergic agent used for the study of cough treatment.}

(RS)-4C3HPG (4-Carboxy-3-hydroxyphenylglycine) is an effective competitive antagonist at the metabotropic glutamate receptor 1 (mGluR1) in the central nervous system, and it is also an agonist at mGluR2/3. (RS)-4C3HPG exhibits neuroprotective effects in an acute global ischemia rat model.