TACA (trans-4-Aminocrotonic acid) is a potent agonist of GABAA and GABAC receptors (KD= 0.6 μM). TACA also is GABA uptake inhibitor and substrate for GABA-T. TACA produces late biphasic responses in the MPG neurons[1][2][3].
Ginkgolide A is an extract from in Ginkgo biloba and a g-aminobutyric acid (GABA) antagonist.Target: GABA ReceptorGinkgolide A is a highly active PAF antagonist cage molecule that is isolated from the leaves of the Ginkgo biloba tree. Shows potential in a wide variety of inflammatory and immunological disorders. Ginkgolide A significantly shortened the sleeping time induced by anesthetics in mice [1]. Ginkgolide A failed to affect apoptotic damage neither in serum-deprived nor in staurosporine-treated neurons [2].
Phenibut (β-Phenyl-GABA) hydrochloride is an orally active GABA-B agonist[1]. Phenibut hydrochloride acts as a GABA-mimetic, primarily at GABAB receptors. Phenibut hydrochloride has anxiolytic and nootropic (cognition enhancing) effects[2].
Flumazenil is a competitive GABAA receptor antagonist, used in the treatment of benzodiazepine overdoses.
DPNI-GABA is a nitroindoline cage compound that inhibits GABA(A) receptors and reduces GABA-evoked peak responses with an IC50 value of 0.5 mM[1].
Lotilaner is a parasiticide, acts as a potent non-competitive antagonist of insects GABACl receptors, with an IC50 of 23.84 nM for Drosophila melanogaster GABA receptor. No effect on a dog GABAA receptor[1].
Tigolaner is a GABA antagonist that regulates chloride channel. Tigolaner is an antiparasitic agent[1].
6-Aminonicotinic acid is a GABAA receptor agonist with Ki value of 4.4 nM[1].
SCS (Salicylidene salicylhydrazide) is a potent, allosteric and selective inhibitor of β1-containing GABAA receptors with an IC50 of 32 nM against α2β1γ1θ by VIPR measurement. SCS is also a chelator of metal ions[1].
3-Methyl-GABA is an activator of GABA aminotransferase with anticonvulsant activity.
HZ-166 (HZ166) is a GABAA receptor subtype-selective benzodiazepine site ligand with preferential activity at α2- and α3-GABA(A) receptors; displays a statistically significant higher affinity for receptors not containing the α1 subunit with a rank order of α5 (Ki=140nM) > α2 (Ki=269 nM) > α1 (Ki=382 nM); The Ki value of HZ166 for the α3β3γ2 combination (185± 47 nM) was statistically significantly lower than the Ki value observed for α1β3γ2 but not different from those of α2β3γ2 and α5β3γ2; HZ-166 is antihyperalgesic in mouse models of inflammatory and neuropathic pain.
(R)-Baclofen(STX209) is a selective GABAB receptor agonist. IC50 value:Target: GABAB receptorGABAB receptors are metabotropic receptors which produce slow inhibitory signals. By manipulating GABAB receptor activity using Baclofen, a variety of functions are studied including synaptic transmissions and antinociception events.
Tiagabine hydrochloride(NO328 hydrochloride) is a selective gamma-aminobutyric acid (GABA) reuptake inhibitor.Target: GABA reuptake inhibitorTiagabine had an early onset of effect, as shown by significant reduction from baseline in mean HAM-A total score compared with placebo at week 1 (observed cases, p < .05). Tiagabine was generally well tolerated and not associated with changes in sexual functioning or depressive status. Symptoms of a discontinuation syndrome during taper were not observed. Tiagabine may be a useful treatment option for adult patients diagnosed with GAD [1]. Tiagabine was generally well tolerated; the most common adverse events were nausea, dizziness and headaches [2]. Tiagabine (0.1 microM), an antiepileptic drug that specifically inhibits the GAT-1 GABA transporter inhibited GABA uptake 50% in temporal cortex and 60-68% in white structures [3].
Tiagabine(NO328) is a selective gamma-aminobutyric acid (GABA) reuptake inhibitor.Target: GABA reuptake inhibitorTiagabine had an early onset of effect, as shown by significant reduction from baseline in mean HAM-A total score compared with placebo at week 1 (observed cases, p < .05). Tiagabine was generally well tolerated and not associated with changes in sexual functioning or depressive status. Symptoms of a discontinuation syndrome during taper were not observed. Tiagabine may be a useful treatment option for adult patients diagnosed with GAD [1]. Tiagabine was generally well tolerated; the most common adverse events were nausea, dizziness and headaches [2]. Tiagabine (0.1 microM), an antiepileptic drug that specifically inhibits the GAT-1 GABA transporter inhibited GABA uptake 50% in temporal cortex and 60-68% in white structures [3].
Afoxolaner is an orally active isoxazoline insecticide/acaricide against Ixodes scapularis in dogs. Afoxolaner acts on the insect γ-aminobutyric acid receptor (GABA) and glutamate receptors, inhibiting GABA & glutamate-regulated uptake of chloride ions, resulting in excess neuronal stimulation and death of the arthropod[1][2].
Ro15-4513, imidazobenzodiazepinone derivative, is a partial inverse agonist of benzodiazepine receptor (BZR)[1]. Ro15-4513 is a potent ethanol antagonist[2]. Ro15-4513 has anti-anxiety effect[3].
Ethyl dirazepate is a drug which is a benzodiazepine derivative. It has anxiolytic and hypnotic and possibly other characteristic benzodiazepine properties.
Propofol-d17 (2,6-Diisopropylphenol-d17) is the deuterium labeled Propofol. Propofol potently and directly activates GABAA receptor and inhibits glutamate receptor mediated excitatory synaptic transmission. Propofol has antinociceptive properties and is used for sedation and hypnotic[1].
AZD7325 is a potent and orally active partial selective PAM of GABAAα2 and Aα3 receptor (Ki=0.3 and 1.3 nM, respectively), and has less antagonistic efficacy at the Aα1 and Aα5 receptor subtypes[1][4]. AZD7325 is a moderate CYP1A2 and a potent CYP3A4 inducer in vitro[2]. AZD7325 has the potential for the investigation of anxiety and dravet syndrome[3]. PAM: positive allosteric modulator.
Uldazepam is a benzodiazepine derivative and can be used to treat patients with anxiety syndromes as tranquilizer.
mGAT3/4-IN-1 (compound 19b) is a potent mGAT3/mGAT4 inhibitor, with pIC50 values of 5.31 and 5.24, respectively. mGAT3/4-IN-1 exhibits a significant tactile allodynia reduction in diabetic neuropathic mice[1].
Procaine Hydrochloride is a local anesthetic drug of the amino ester group.Target: OthersProcaine is a local anesthetic of the ester type that has a slow onset and a short duration of action.Procaine (0.01-100 microM) inhibited the 5-HT3 receptor-mediated inward current in the whole-cell patch clamp recording. Procaine appears to produce a competitive inhibition on 5-HT3 receptors with a KD of 1.7 microM [1]. Procaine is a DNA-demethylating agent that produces a 40% reduction in 5-methylcytosine DNA content as determined by high-performance capillary electrophoresis or total DNA enzyme digestion. Procaine can also demethylate densely hypermethylated CpG islands. Procaine also has growth-inhibitory effects in these cancer cells, causing mitotic arrest [2]. Procaine functions as an excitant of limbic system cells, and that procaine alters synaptic transmission in some, but not all, output pathways from the amygdale [3].
Valnoctamide (Valmethamide), a derivative of valproate, suppresses benzodiazepine-refractory status epilepticus. Valnoctamide (Valmethamide) acts directly on GABAA receptors[1].
GABAA receptor agent 1 is a high affinity ligand for GABAA receptor, with potent anticonvulsant activity[1].
(-)-Borneol has a highly efficacious positive modulating action at GABA receptor with an EC50 of 237 μM.
Propanidid (Sombrevin; Fabantol) is a γ-aminobutyric acid type A (GABAA) receptor agonist and a short-acting non-barbiturate general anesthetic agent. Propanidid can decrease the arterial pressure[1][2].
γ-Acetylenic GABA hydrochloride is a GABA transaminase inhibitor.
Chlormethiazole is an potent and orally active GABAA agonist[1]. Chlormethiazole inhibits cytochrome P450 isoforms: CYP2A6 and CYP2E1 in human liver microsomes. Chlormethiazole is an anticonvulsant agent and has the potential for treating convulsive status epilepticus[2].
Tracazolate hydrochloride (ICI 136753 hydrochloride) is a potent GABAA receptor modulator. Tracazolate hydrochloride potentiates α1β1γ2s (EC50=13.2 μM) and α1β3γ2 (EC50=1.5 μM) in a concentration-dependent manner. Tracazolate hydrochloride has the potency (EC50) is determined by the nature of the third subunit (γ1-3, δ, ε) within the receptor complex. Tracazolate hydrochloride possesses anxiolytic and anticonvulsant activity[1][2].
BGT1-IN-9 is an M1 muscarinic agonist.