2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
    Neuronal Signaling
  4. GABA Receptor
  5. GABA Receptor Antagonist

GABA Receptor Antagonist

GABA Receptor Antagonists (119):

Cat. No. Product Name Effect Purity
  • HY-N0219
    Bicuculline
    		Antagonist 99.97%
    Bicuculline ((+)-Bicuculline) is A competing neurotransmitter GABAA receptor antagonist (IC50=2 μM). Bicuculline also blocks Ca2+ activating potassium (SK) channels and subsequently blocks slow post-hyperpolarization (slow AHP). Bicuculline has anticonvulsant activity. Bicuculline can be used to induce seizures in mice.
  • HY-B0135
    Furosemide
    		Antagonist 99.83%
    Furosemide is a potent and orally active inhibitor of Na+/K+/2Cl- (NKCC) cotransporter, NKCC1 and NKCC2. Furosemide is also a GABAA receptors antagonist and displays 100-fold selectivity for α6-containing receptors than α1-containing receptors. Furosemide acts as a loop diuretic and used for the study of congestive heart failure, hypertension and edema.
  • HY-103533
    Gabazine
    		Antagonist 98.47%
    Gabazine is a selective and competitive antagonist of GABAA receptor, with an IC50 of ~0.2 μM for GABA receptor.
  • HY-113416
    Dehydroepiandrosterone sulfate
    		Antagonist 99.93%
    Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate has both non-competitive antagonist activity of GABAA receptor and agonist activity of σ1 receptor. Dehydroepiandrosterone sulfate can partially penetrate the blood-brain barrier, inhibit GABAA receptor-mediated chloride influx, enhance NMDA receptor activity through σ1 receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality.
  • HY-B0009
    Flumazenil
    		Antagonist 99.99%
    Flumazenil is a competitive GABAA receptor antagonist, used in the treatment of benzodiazepine overdoses.
  • HY-103531
    CGP52432
    		Antagonist 98.57%
    CGP52432 is a GABAB receptor antagonist, with an IC50 of 85 nM.
  • HY-B0765
    Dehydroepiandrosterone sulfate sodium
    		Antagonist 99.96%
    Dehydroepiandrosterone sulfate (DHEA sulfate; Prasterone sulfate) sodium salt is a neurosteroid and the main secretion product of the adrenal gland. Dehydroepiandrosterone sulfate sodium salt has both non-competitive antagonist activity of GABAA receptor and agonist activity of σ1 receptor. Dehydroepiandrosterone sulfate sodium salt can partially penetrate the blood-brain barrier, inhibit GABAA receptor-mediated chloride influx, enhance NMDA receptor activity through σ1 receptors, exert anti-inflammatory, anti-glucocorticoid and antidepressant effects, and increase convulsive sensitivity. Dehydroepiandrosterone sulfate sodium salt participates in neuroprotection, neurite growth regulation and catecholamine secretion regulation, and can be used in the study of depression, post-traumatic stress disorder (PTSD), Alzheimer's disease, etc. Dehydroepiandrosterone sulfate sodium salt may also be a biomarker for cardiovascular disease mortality, and its concentration is independently and negatively correlated with mortality.
  • HY-N2079
    (-)-Securinine
    		Antagonist 99.93%
    (-)-Securinine is plant-derived alkaloid and also a GABAA receptor antagonist.
  • HY-100813
    Saclofen
    		Antagonist 99.70%
    Saclofen is an orally active and a competitive GABAB receptor antagonist with an IC50 of 7.8 μM. Saclofen has weak antagonistic effects on GABAB1b and GABAB2 heterodimeric recombinant receptors. Saclofen inhibits the binding of Baclofen (HY-B0007) to rat cerebellar membranes and blocks Baclofen-induced circadian phase shifts, and exhibits anti-inflammatory and analgesic effects in rats.
  • HY-Y0313
    p-Hydroxybenzaldehyde
    		Antagonist 99.98%
    p-Hydroxybenzaldehyde is a one of the major components in vanilla aroma, with antagonistic effect on GABAA receptor of the α1β2γ2S subtype at high concentrations.
  • HY-B1494
    Picrotoxinin
    		Antagonist 99.82%
    Picrotoxinin, a potent convulsant, is a chloride channel blocker. Picrotoxinin is a noncompetitive GABAA receptor antagonist, which negatively modulates the action of GABA on GABAA receptors. Picrotoxinin inhibits α1β2γ2L GABAA receptor with an IC50 of 1.15 μM.
  • HY-B0339
    Primidone
    		Antagonist 99.96%
    Primidone is the orally active inhibitor for TRPM3 (IC50 = 0.6 μM), RIP kinase and voltage-gated sodium channel, and the antagonist for GABA receptor. Primidone can be used as the analgesic and anticonvulsant agent.
  • HY-103530
    CGP35348
    		Antagonist ≥98.0%
    CGP 35348 is a selective, brain penetrant, centrally active GABAB receptor antagonist with an EC50 of 34 μM. CGP 35348 shows affinity for the GABAB receptor only. CGP 35348 has a potential to improve neuromuscular coordination and spatial learning in albino mouse following neonatal brain damage.
  • HY-10232
    THIP
    		Antagonist 99.93%
    THIP (Gaboxadol) is a selective extrasynaptic GABAA receptors (eGABARs) agonist (with blood-brain barrier permeability), shows an EC50 value of 13 µM for δ-GABAAR. THIP induces strong tense GABAA-mediated currents in layer 2/3 neurons, but shows on effect on miniature IPSCs. THIP can be used in studies of sleep disorders.
  • HY-B0355
    Ginkgolide A
    		Antagonist ≥98.0%
    Ginkgolide A (BN-52020) is an extract from in Ginkgo biloba and a g-aminobutyric acid (GABA) antagonist.
  • HY-120051
    Afizagabar
    		Antagonist 98.40%
    Afizagabar (S44819) is a first-in-class, competitive, and selective antagonist at the GABA-binding site of the α5-GABAAR, with an IC50 of 585 nM for α5β2γ2 and a Ki of 66 nM for α5β3γ2. Afizagabar enhances hippocampal synaptic plasticity and exhibits pro-cognitive efficacy.
  • HY-103516
    CGP55845 hydrochloride
    		Antagonist 99.10%
    CGP55845 hydrochloride is a potent and selective GABAB receptor antagonist with an IC50 of 6 nM. CGP55845 hydrochloride can be used for neurological research.
  • HY-116564
    Lotilaner
    		Antagonist 99.84%
    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.
  • HY-B0822
    Fipronil
    		Antagonist 99.01%
    Fipronil is a broad-spectrum insecticide effective against Lepidoptera species as well as thrips, locusts, ants, cockroaches, fleas and ticks. Fipronil selectively inhibits GABA receptor with IC50s of 30 nM and 1600 nM for cockroach and rat GABA receptors, respectively. Glutamate-gated chloride channels (GluCls), which are present in cockroaches but not in mammals, are sensitive to the blocking effect of Fipronil. Fipronil also induces apoptosis in HepG2 cells and promotes the expression of CYP1A1 and CYP3A4 mRNA in human hepatocytes.
  • HY-B0135A
    Furosemide sodium
    		Antagonist 99.89%
    Furosemide sodium is a potent and orally active inhibitor of Na+/K+/2Cl- (NKCC) cotransporter, NKCC1 and NKCC2. Furosemide sodium is also a GABAA receptors antagonist and displays 100-fold selectivity for α6-containing receptors than α1-containing receptors. Furosemide sodium acts as a loop diuretic and used for the study of congestive heart failure, hypertension and edema.