192065-56-8 (HCl salt)
|Jmol-3D images||Image 1|
|Molar mass||293.32 g/mol|
|Appearance||Yellow solid (HCl salt)|
|Solubility in water||>10 mg/mL (HCl salt)|
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
GYKI-52466 is a 2,3-benzodiazepine that acts as an ionotropic glutamate receptor antagonist, which is a non-competitive AMPA receptor antagonist (IC50 values are 10-20, ~ 450 and >> 50 μM for AMPA- , kainate- and NMDA-induced responses respectively), orally-active anticonvulsant, and skeletal muscle relaxant. Unlike conventional 1,4-benzodiazepines, GYKI-52466 and related 2,3-benzodiazepines do not act on GABA-A receptors. Like other AMPA receptor antagonists, GYKI-52466 has anticonvulsant and neuroprotective properties.
- Donevan, S.D., Rogawski, M.A., Allosteric regulation of alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionate receptors by thiocyanate and cyclothiazide at a common modulatory site distinct from that of 2,3-benzodiazepines. Neuroscience 87, 615, (1998)
- Donevan, S.D., Rogawski, M.A., GYKI 52466, a 2,3-benzodiazepine is a highly selective, non-competitive antagonist of AMPA/kainate receptor responses. Neuron 10, 51, (1993)
- Wilding, T.J., Huettner, J.E., Differential antagonism of alpha-amino-3-hydroxy-5-methyl-4- isoxazolepropionic acid-preferring and kainate-preferring receptors by 2,3-benzodiazepines. Mol. Pharmacol. 47, 582, (1995)
- Tarnawa et al. (1989) Electrophysiological studies with a 2,3-benzodiazepine muscle relaxant: GYKI 52466. Eur. J.Pharmacol. 167 193
- Paternain et al. (1995) Selective antagonism of AMPA receptors unmasks kainate receptor-mediated responses in hippocampal neurons. Neuron 14 185.
- Rzeski et al. (2001) Glutamate antagonists limit tumor growth. Proc. Natl.Acad. Sci.USA 98 6372.
- Szabados et al. (2001) Comparison of anticonvulsive and acute neuroprotective activity of three 2,3-benzodiazepine compounds, GYKI 52466, GYKI 53405, and GYKI 53655. Brain Res. Bull. 55 387.
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