Efinopegdutide (JNJ-64565111) is a potent dual glucagon-like peptide-1 (GLP-1)/glucagon receptor (GluR) agonist, which activates both the GLP-1 and glucagon receptors. Efinopegdutide can be used in research of nonalcoholic steatohepatitis (NASH)[1].
JNJ-61432059 is an oral active and selective negative modulator of AMPAR associated with trans-membrane AMPAR regulatory protein (TARP) γ-8, with a pIC50 of 9.7 for GluA1/γ-8. Exhibits time- and dose-dependent AMPAR/γ-8 receptor occupancy in mouse hippocampus, resulting in robust seizure protection in corneal kindling and pentylenetetrazole (PTZ) anticonvulsant models[1].
(2R,3R)-Chlorpheg is a week antagonist of L-homocysteic acid (L-HCA) induced depolarization.(2R,3R)-Chlorpheg also is a weak N-methyl-D-aspartate (NMDA) antagonist[1].
Sepimostat dimethanesulfonate (FUT-187) exhibits neuroprotective activity via NR2B N-methyl-D-aspartate receptor antagonism at the Ifenprodil-binding site of the NR2B subunit. Sepimostat dimethanesulfonate inhibits the Ifenprodil binding with a Ki value of 27.7 µM[1].
UBP316 (ACET) is a highly potent and selective kainate receptor GluK1 (GluR5) antagonist, with a Kb value of 1.4 nM. UBP316 is effective at blocking the depression of both field excitatory postsynaptic potentials (fEPSPs) and monosynaptically-evoked GABAergic transmission induced by ATPA, a GluK1 selective agonist[1].
Ampalex (Ampakine CX516; CX516; BDP 12) is an ampakine and nootropic that acts as an AMPA receptor positive allosteric modulator as a treatment for Alzheimer's disease, schizophrenia and mild cognitive impairment (MCI). IC50 value: Target: AMPA receptorAmpalex ameliorates functional deficits in AMPA receptors in a hippocampal slice model of protein accumulation. Researches suggest that AMPA receptors may be potential pharmaceutical targets for the treatment of neurodegenerative diseases, and highlights AMPAkines, in particular, as possible therapeutic agents.
NMDA receptor modulator 6 (Compound 183) is a potent NMDA receptor modulator. NMDA receptor modulator 6 can be used for neurological disorder research[1].
Quisqualic acid (L-Quisqualic acid), a natural analog of glutamate, is a potent and pan two subsets (iGluR and mGluR) of excitatory amino acid (EAA) agonist with an EC50 of 45 nM and a Ki of 10 nM for mGluR1R. Quisqualic acid is isolated from the fruits of Quisqualis chinensis[1][2].
Farampator-d10 (CX-691-d10) is the deuterium labeled Farampator. Farampator (CX-691) is an AMPA receptor positive modulator.
Orphenadrine-d3 (hydrochloride) is the deuterium labeled Orphenadrine hydrochloride[1]. Orphenadrine hydrochloride is an orally active and non-competitive NMDA receptor antagonist (crosses the blood-brain barrier) with a Ki of 6.0 μM. Orphenadrine hydrochloride relieves stiffness, pain and discomfort due to muscle strains, sprains or other injuries. Orphenadrine hydrochloride is also used to relieve tremors associated with parkinson's disease. Orphenadrine citrate has good neuroprotective properties, can be used in studies of neurodegenerative diseases[2][3].
(RS)-AMPA ((±)-AMPA) monohydrate is a glutamate analogue and a potent and selective excitatory neurotransmitter L-glutamic acid agonist. (RS)-AMPA monohydrate does not interfere with binding sites for kainic acid or NMDA receptors[1][2].
(RS)-(Tetrazol-5-yl)glycine (D,L-(tetrazol-5-yl)glycine) is a highly potent and selective N-methyl-D-aspartate (NMDA) receptor agonist[1]. (RS)-(Tetrazol-5-yl)glycine has EC50s of 99 nM, 1.7 μM for GluN1/GluN2D and GluN1/GluN2A, respectively[2]. (RS)-(Tetrazol-5-yl)glycine induces seizure responses and Fos in mice[3].
Memantine, an amantadine derivative with low to moderate-affinity for NMDA receptors, inhibit CYP2B6 and CYP2D6 with Ki of 0.51 nM and 94.9 μM, respectively..Target: NMDA Receptor, Memantine (Ebixa, Axura, Namenda, Akatinol) is a moderate-affinity, uncompetitive, voltage-dependent, NMDA-receptor antagonist with fast on/off kinetics that inhibits excessive calcium influx induced by chronic overstimulation of the NMDA receptor. Memantine is approved in the US and the EU for the treatment of patients with moderate to severe dementia of the Alzheimer's type [1]. Memantine has considerable therapeutic potential for the myriad of clinical entities associated with NMDA receptor-mediated neurotoxicity [2]. Memantine blocked 200 microM NMDA-evoked responses with a 50% inhibition constant (IC50) of approximately 1 microM at -60 mV and an empirical Hill coefficient of approximately 1 [3].
(RS)-AMPA ((±)-AMPA) hydrobromide is a glutamate analogue and a potent and selective excitatory neurotransmitter L-glutamic acid agonist. (RS)-AMPA hydrobromide does not interfere with binding sites for kainic acid or NMDA receptors[1][2].
Deudextromethorphan (AVP-786) is a deuterated form of dextromethorphan/quinidine (AVP-923, Nuedexta). Deudextromethorphan, a glutamate-targeting agent, is an orally active N-methyl-D-aspartate (NMDA) receptor antagonist. Deudextromethorphan can be used for the research of Pseudo-Bulbar Affect, traumatic brain injury, behavioral disinhibition and agitation in AD[1][2][3].
TAK-653, an AMPA receptor potentiator with minimal agonistic activity, produces an antidepressant-like effect with a favorable safety profile in rats.
DNQX (FG 9041) disodium salt, a quinoxaline derivative, is a selective, potent competitive non-NMDA glutamate receptor antagonist (IC50s = 0.5, 2 and 40 μM for AMPA, kainate and NMDA receptors, respectively)[1].
GYKI 52466 dihydrochloride is a potent, selective, orally active and non-competitive kainate- and AMPA-activated currents antagonist with IC50s of 7.5 μM and 11 μM, respectively. GYKI 52466 dihydrochloride is inactive against N-methyl-D-aspartate (NMDA) or γ-aminobutyric acid responses. GYKI 52466 dihydrochloride ia a muscle relaxant and anticonvulsant agent, and has good blood brain barrier permeability[1][2].
L-Glutamic acid-13C5,15N is the 13C- and 15N-labeled L-Glutamic acid. L-Glutamic acid acts as an excitatory transmitter and an agonist at all subtypes of glutamate receptors (metabotropic, kainate, NMDA, and AMPA). L-Glutamic acid shows a direct activating effect on the release of DA from dopaminergic terminals.
Selurampanel (BGG 492) is an orally active and competitive AMPA receptor antagonist with an IC50 of 190 nM. Selurampanel has reasonable blood-brain barrier penetration. Selurampanel can be used for epilepsy research[1][2].
(S)-Willardiine is a potent agonist of AMPA/kainate receptors with EC50 of 44.8 uM.IC50 value: 44.8 uM(EC50) [1]Target: AMPA/kainate receptor agonistin vitro: The (S)- but not (R)-isomers of willardiine and 5-bromowillardiine were potent agonists, producing rapidly but incompletely desensitizing responses [1]. At a concentration of 1.8 mM, Ca2+ inhibited the currents induced by 100 microM willardiine by approximately 50% [2].in vivo: In newborn mice (P5, histopathology at P10), local injection of the AMPA receptor agonist S-bromo-willardiine at day 5 after birth induced cortical damage and white matter damage, which was reduced in a dose-dependent manner by the AMPA receptor antagonists [3].
IC87201, an inhibitor of PSD95-nNOS protein-protein interactions, suppresses NMDAR-dependent NO and cGMP formation.
Org 26576 is a AMPA receptor positive allosteric modulator.
Indole-2-carboxylic acid is a strong inhibitor of lipid peroxidation. Indole-2-carboxylic acid (I2CA) specifically and competitively inhibits the potentiation by glycine of NMDA-gated current[1][2].
Fluoroethylnormemantine hydrochloride, a derivative of Memantine, is an antagonist of the N-methyl-D-aspartate (NMDA) receptor. [18F]-Fluoroethylnormemantine hydrochloride can be used as a positron emission tomography (PET) tracer. Fluoroethylnormemantine hydrochloride exhibits anti-amnesic, neuroprotective, antidepressant-like and fear-attenuating effects[1][2][3].
(RS)-AMPA ((±)-AMPA) is a glutamate analogue and a potent and selective excitatory neurotransmitter L-glutamic acid agonist. (RS)-AMPA does not interfere with binding sites for kainic acid or NMDA receptors[1][2].
(RS)-CPP ((±)-CPP) is a potent and selective NMDA antagonist. (RS)-CPP inhibits central neuron responses, and has anticonvulsant activity[1].
A novel potent and selective negative modulator of AMPA receptors containing TARP-gamma8
gamma-DGG is a competitive AMPA receptor blocker.
QNZ46 is a NR2C/NR2D-selective NMDA receptor non-competitive antagonist (IC50 values are 3, 6, 229, and >300, >300 μM for NR2D, NR2C, NR2A, NR2B, and GluR1, respectively). IC50 value: 3 μM (for NR2D), 6 μM (for NR2C), 229 μM (for NR2D NR2A)Target: NR2D, NR2C, NR2Ain vitro: QNZ46 is a noncompetitive inhibitor of GluN2C/D containing NMDA receptors. KD and IC50 values for binding and inhibition of GluN1/Glun2D receptors by QNZ46 are 4.9 and 3.9 μM, respectively. QNZ46 does not compete for binding of glutamate or glycine, but QNZ46 receptor binding requires the binding of glutamate to the GluN2 subunit.