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Dihydromyricetin (DHM), a natural flavonoid, exerts various bioactivities including anti-oxidative and hepatoprotective effects.Dihydromyricetin can protect HUVECs from oxidative stress damage, an effect that is mediated by the mitochondrial apoptotic pathways.Dihydromyricetin showed great antioxidative effect and would be a good natural antioxidant.Dihydromyricetin anti-alcohol effects on both behavior and CNS neurons were antagonized by flumazenil (10 mg/kg in vivo, 10 μM in vitro), the benzodiazepine (BZ) antagonist. Dihydromyricetin competitively inhibited BZ-site [3H]flunitrazepam binding (IC50, 4.36 μM), suggesting DHM interaction with EtOH involves the BZ-sites on GABAARs.
| Molecular Weight | 320.25 |
| Formula | C15H12O8 |
| CAS Number | 27200-12-0 |
| Solubility (25°C) | DMSO 64mg/ml Ethanol 64mg/ml |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[4] Yi Shen, et al. J Neurosci. Dihydromyricetin As A Novel Anti-Alcohol Intoxication Medication.
| Related GABA Receptor Products |
|---|
| β-CCB
β-CCB is a ligand for benzodiazepine receptor, which inhibits the binding of [3H]flunitrazepam and ethyl (3-[3H]carboline-3-carboxylate to benzodiazepine receptors, with Ki of 3-4 nM. |
| TPMPA
TPMPA, a hybrid of isoguvacine and 3-APMPA, is the first selective antagonist for a GABAC receptor (KB = 2.1 μM), but not to interact with GABAA (KB = 320 μM) or GABAB receptors (EC50 = 500 μM). |
| CI-966
CI-966 is a potent, selective, orally active and brain-penetrant inhibitor of the GABA transporter GAT-1, with IC50s of 0.26 μM and 1.2 μM for hGAT-1, rGAT-1, respectively. |
| NCS-382
NCS-382 is a potent GABA receptor antagonist and also a GHBR receptor antagonist. |
| CGS 8216
CGS 8216, a benzodiazepine receptor antagonist, inhibits 3H-flunitrazepam (3H-FLU) binding to rat synaptosomal membranes in vitro at subnanomolar concentrations. |
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