NMDA Agonists

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A0430 1-Aminocyclopropanecarboxylic acid hydrochloride ≥98% NMDA glutamate receptor agonist acting at the glycine site
A3903 1-Aminocyclopropanecarboxylic acid ≥98% (TLC) 1-Aminocyclopropanecarboxylic acid (ACC) exhibits anticonvulsant, anxiolytic, anti-addictive, neuroprotective and antidepressant-like effects in rats and mice. ACC does not affect memory or learning processes.
NMDA agonist acting at the glycine site
C6880 D-Cycloserine D-cycloserine (DCS) was initially known as a tuberculostatic agent. It acts as a glutamatergic partial N-methyl-D-aspartate (NMDA) agonist. It binds at the glycine-binding site of the NMDA receptor and enable the opening of the NMDA channel. DCS has a an ability to improve various forms of learning and memory hence, this drug might be effective for improving social memory and cognition. DCS can be used as a potential therapeutic for psychiatric disorders such as phobias, social anxiety, obsessive-compulsive disorder, and posttraumatic stress disorder.
Mode of Action: Inhibits cell wall biosynthesis (D-Ala peptide bond formation). Also prevents conversion of D-Ala to L-Ala. Bacteriostatic.
Partial agonist at the glycine modulatory site of NMDA glutamatergic receptors; antibiotic against Gram-negative bacteria.
Mode of Resistance: D-Ala transport interference.
C3909 D-Cycloserine synthetic Mode of Action: Inhibits cell wall biosynthesis (D-Ala peptide bond formation). Also prevents conversion of D-Ala to L-Ala. Bacteriostatic.
Partial agonist at the glycine modulatory site of NMDA glutamatergic receptors; antibiotic against Gram-negative bacteria.
Mode of Resistance: D-Ala transport interference.
C8005 D-Cysteine hydrochloride monohydrate ≥98% (TLC)  
C7880 L-Cysteine hydrochloride monohydrate reagent grade, ≥98% (TLC) NMDA glutamatergic receptor antagonist.
C1276 L-Cysteine hydrochloride anhydrous, ≥98% (TLC) Cysteine (Cys) is a functional sulfur-containing aminoacid that regulates metabolism for growth, reproduction and immunity. It provides the disulfide linkage in proteins and is involved in the transport of sulfur. Cysteine is involved in the formation of hydrogen sulfide that functions as a signaling molecule. Cys residues are present at the catalytic sites of various enzymes.
NMDA glutamatergic receptor agonist that is also an agonist at AMPA glutamatergic receptors at high concentrations.
H9633 L-Homocysteic acid L-Homocysteic acid (L-HCA) is an endogenous neurotransmitter ligand of NMDA (N-methyl-D-aspartate) receptors. It is an analog of glutamate and competitively suppresses glutamate-cystine (xc-) antiporter function in neurons, causing decrease in cysteine uptake.
SML0229   CIQ ≥98% (HPLC) CIQ is positive allosteric modulator of NR2C/NR2D subunit containing NMDA receptors. CIQ increases channel opening frequency of recombinant NR2Cor NR2D containing receptors by two-fold (EC50 = 2.7 and 2.8 μM, respectively), with no effect on NR2A or NR2B subtypes. The compound does not alter the EC50 values for glutamate or glycine on channel opening.
D1068 DCB ≥98% (HPLC), solid 3,3′-dichlorobenzaldazine (DCB) serves as an allosteric ligand with neutral cooperativity. It helps to block the positive allosteric regulation of mGluRs (metabotropic glutamate receptor subtype 5 (mGluR5) with the help of 3,3′-difluorobenzaldazine (DFB) and the negative modulatory effect of 3,3′-dimethoxybenzaldazine (DMeOB).
Neutral allosteric modulator of the metabotropic glutamate receptor mGluR5.
G7795 Ganaxolone solid Ganaxolone (3alpha-hydroxy-3beta-methyl-5alpha-pregnane-20-one) is a positive allosteric modulator of the GABAA receptor subtype; synthetic analog of the endogenous neurosteroid allopregnanolone; effective against chemically induced seizures in rats and mice. Ganaxolone is an orally active analog of allopregnanolone that is not converted to the hormonally active 3-keto form. The enhanced anticonvulsant potency of ganaxolone after neurosteroid withdrawal supports the use of ganaxolone as a specific treatment for perimenstrual catamenial epilepsy.
L1170 LY-487379 hydrochloride ≥98% (HPLC) LY-487379 is a positive allosteric modulator of the metabotropic glutamate receptor mGluR2. EC50 = 1.7 μM. LY-487379 shows no intrinsic agonist or antagonist activity at hmGluR2 and has no activity at human mGluR3. LY-487379 markedly potentiates glutamate-stimulated [35S]GTPγS binding in a concentration-dependent manner at hmGluR2, shifting the glutamate dose-response curve leftward by 3-fold and increasing the maximum levels of [35S]GTPγS stimulation. LY-487379 has anxiolytic effects in fear-potentiated startle. This activity profile is useful in all symptom domains of schizophrenia.
M3262 N-Methyl-D-aspartic acid ≥98% (TLC), solid Excitotoxic amino acid. Prototypic agonist at the NMDA-type glutamate receptor that regulates ion channels; important in long-term potentiation, ischemia, and epilepsy.
N-Methyl-D-aspartic acid (NMDA) plays a crucial role in release of luteinizing hormone and PRL (prolactin) in the pituitary gland and GnRH (gonadotropin releasing hormone) in the hypothalamus. It acts as a specific agonist for NMDA type glutamate receptors.
P1999 PEAQX tetrasodium hydrate ≥98% (HPLC) NMDA receptor antagonist.
PEAQX is more specific for N-methyl-D-aspartate (NMDA) receptor 2A (NR2A) than N-methyl-D-aspartate (NMDA) receptor 2B (NR2B) and induces striatal apoptosis. It is less potent in activating caspase-3 than its stereomer NVP-AAM007.