UBP 302, the S enantiomer, is a potent and selective GluK1 (GluR5)-subunit containing kainate receptor antagonist (apparent Kd=402 nM), and displays very little affinity on GluK2 (GluR6) kainate receptors. Anxiolytic effects[1][2][3].
L-Phenylalanine-13C9,d8,15N ((S)-2-Amino-3-phenylpropionic acid-13C9,d8,15N) is the deuterium, 13C-, and 15-labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
LY 233536 is a competitive NMDA receptor antagonist[1].
Talampanel is a potent and selective AMPA-receptor antagonist, is a potential new antiepileptic drug (AED). Target: AMPA [1]in vitro: Talampanel is a glutamate receptor inhibitor with anti-seizure activity.in vivo： Talampanel reduces motoneuronal calcium in a mouse model of ALS, but its effi cacy declines as the disease progresses, suggesting that medication initiation in the earlier stages of the disease might be more effective. [2]
PEAQX(NVP-AAM 077) is a potent and orally active NMDA antagonist with a 15-fold preference for human NMDA receptors with the 1A/2A(IC50=270 nM), rather than 1A/2B(29,600 nM).IC50 value: 270 nM(hNMDA A1/A2) [1]Target: NR2A antagonistin vitro: PEAQX has a high binding affinity for NMDA receptors (IC50=8 nM), and a functional preference in excess of 100-fold for hNMDA 1A/2A (IC50=of 270 nM) over 1A/2B receptors (IC50=29,600 nM) [1].in vivo: PEAQX is practically inactive in Xenopus oocytes expressing hNMDA 1A/2B receptors, displays an ED50 value of 23 mg/kg in the MES test [1]. Sprague-Dawley rats were treated on PN7, PN9, and PN11 with PCP (10 mg/kg), PEAQX (NR2A-preferring antagonist; 10, 20, or 40 mg/kg), or ifenprodil (selective NR2B antagonist; 1, 5, or 10 mg/kg) and sacrificed for measurement of caspase-3 activity (an index of apoptosis) or allowed to age and tested for locomotor sensitization to PCP challenge on PN28-PN35. PCP or PEAQX on PN7, PN9, and PN11 markedly elevated caspase-3 activity in the cortex; ifenprodil showed no effect. Striatal apoptosis was evident only after subchronic treatment with a high dose of PEAQX (20 mg/kg). Animals treated with PCP or PEAQX on PN7, PN9, and PN11 showed a sensitized locomotor response to PCP challenge on PN28-PN35 [2].
L-Phenylalanine-d5 is the deuterium labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
Glycine-13C2,15N is the 13C- and 15N-labeled Glycine. Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate, facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors.
Topiramate (McN 4853) lithium is a broad-spectrum antiepileptic agent. Topiramate lithium is a GluR5 receptor antagonist. Topiramate produces its antiepileptic effects through enhancement of GABAergic activity, inhibition of kainate/AMPA receptors, inhibition of voltage-sensitive sodium and calcium channels, increases in potassium conductance, and inhibition of carbonic anhydrase[1][2][3].
JNJ-55511118 (JNJ55511118) is a selective, orally available AMPA receptor containing TARP-γ8 negative modulator with Ki of 26 nM, displays no significant activity against other TARP-less AMPARs and AMPARs coexpressed with other TARPs or CNIH2; demonstrates excellent pharmacokinetic properties and achieves high receptor occupancy following oral administration, exhibits a strong reduction in certain bands on electroencephalogram, transient hyperlocomotion, no motor impairment on rotarod, and a mild impairment in learning and memory in vivo.
UK-240455 is a potent and selective N-methyl D-aspartate (NMDA) glycine site antagonist.
Onfasprodil is negative allosteric modulator of NR2B. Onfasprodil in combination with GABA receptor regulator has the potential for the research of Alzheimer's disease (extracted from patent CN111481543A)[1].
Piracetam-d8 (UCB-6215-d8) is the deuterium labeled Piracetam. Piracetam (UCB-6215) is a cyclic derivative of the neurotransmitter gamma-aminobutyric acid (GABA), used in treatment of a wide range of cognitive disorders[1][2].
AMPA receptor antagonist-2 (example 23) is an AMPA receptor antagonist[1].
Pregnanolone sulfate pyridinium is an endogenous neurosteroid that inhibits NMDA receptors and is neuroprotective[1].
NMDA receptor modulator 3 (Compound 99) is a potent NMDA receptor modulator. NMDA receptor modulator 3 can be used for neurological disorder research[1].
MDL-29951 is a novel glycine antagonist of NMDA receptor activation, with Ki of 0.14 μM for [3H]glycine binding in vitro and in vivo.
L-Glutamic acid-13C5 is the 13C-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.
Withaphysalin D is a selective antagonist against the N-methyl-D-aspartate receptor (NMDAR) containing GluN2B. Withaphysalin D can be isolated from water lilies and has neuroprotective properties. Withaphysalin D is able to cross the blood-brain barrier[1].
Leptin (116-130) is a bioactive leptin fragment. Leptin (116-130) promotes AMPA receptor trafficking to synapses and facilitate activity-dependent hippocampal synaptic plasticity. Leptin (116-130) prevents hippocampal synaptic disruption and neuronal cell death in models of amyloid toxicity. Leptin (116-130) has the potential for the research of Alzheimer's disease (AD)[1].
IEM-1460 blocks both AMPA and NMDA glutamate receptor with anticonvulsant effect in vivo[1].
L-Phenylalanine-d1 ((S)-2-Amino-3-phenylpropionic acid-d1) is the deuterium labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
GNE 5729 is a brain permeable positive allosteric modulator of NMDAR, with an EC50 of 37 nM for GluN2A, 4.7 and 9.5 μM for GluN2C and GluN2D, respectively.
(Rac)-Lanicemine ((Rac)-AZD6765) is the racemate of Lanicemine. Lanicemine (AZD6765) is a low-trapping NMDA channel blocker (Ki of 0.56-2.1 μM for NMDA receptor; IC50s of 4-7 μM and 6.4 μM in CHO and Xenopus oocyte cells, respectively). Antidepressant effects[1].
L-Cysteine S-sulfate is a potent N-methyl-d-aspartate (NMDA) glutamatergic receptors agonist. L-Cysteine S-sulfate is the substrate for cystine lyase[1].
D-AP4 (D-APB; D-2-Amino-4-phosphonobutyric acid), a phosphono analogue of glutamate, is an NMDA broad spectrum excitatory amino acid receptor antagonist. D-AP4 also is an agonist for a quisqualate-sensitized AP6 site in hippocampus. D-AP4 inhibits AMPA receptor-stimulated 57Co2+ influx in cultured cerebellar granule cells (IC50 ≥ 100 μM)[1][2][3].
S 18986 is a selective, orally active, brain penetrant positive allosteric modulator of AMPA-type receptors. S 18986 shows cognitive enhancing properties in rodents. S 18986 activates the release of noradrenaline and acetylcholine in rat hippocampus and enhances rat memory in object-recognition tests[1][2].
Apimostinel is an oral NMDA receptor partial agonist.
AMPA Receptor Modulator is a potent, oral active and selective AMPAR regulatory protein TARP γ-8 negative modulator with a pIC50 of 9.7, more selective over GluA1/γ-2 (pIC50=5)[1].
Conantokin G, a 17-amino-acid peptide, is a potent, selective and competitive antagonist of N-methyl-D-aspartate (NMDA) receptors. Conantokin G inhibits NMDA-evoked currents in murine cortical neurons with an IC50 of 480 nM. Conantokin G has neuroprotective properties[1][2].
NMDA receptor antagonist 2 is a potent and orally active NR2B subtype-selective NMDA antagonist with an IC50 and a Ki of 1.0 nM and 0.88 nM, respectively. NMDA receptor antagonist 2 is used for the study of neuropathic pain and Parkinson’s disease[1].