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Gabazine



Gabazine
Systematic (IUPAC) name
4-[6-imino-3-(4-methoxyphenyl)pyridazin-1-yl] butanoic acid hydrobromide
Identifiers
CAS number 104104-50-9
ATC code  ?
PubChem 107895
Chemical data
Formula C15H18BrN3O3 
Mol. mass 368.226
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.

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Legal status
Routes  ?

Gabazine (SR-95531) is a drug that acts as an antagonist at GABAA receptors. It is used in scientific research and has no role in medicine, as it would be expected to produce convulsions if used in humans.[1]

Additional recommended knowledge

Gabazine binds to the GABA recognition site of the receptor-channel complex and acts as an allosteric inhibitor of channel opening.[2] The net effect is to reduce GABA-mediated synaptic inhibition by inhibiting chloride flux across the cell membrane, and thus inhibiting neuronal depolarisation. While phasic (synaptic) inhibition is gabazine-sensitive, tonic (extrasynaptic) inhibition is gabazine-insensitive.[3]

References

  1. ^ Behrens CJ, van den Boom LP, Heinemann U. Effects of the GABA(A) receptor antagonists bicuculline and gabazine on stimulus-induced sharp wave-ripple complexes in adult rat hippocampus in vitro. European Journal of Neuroscience 2007 Apr;25(7):2170-81.
  2. ^ Ueno S, Bracamontes J, Zorumski C, Weiss DS, Steinbach JH. Bicuculline and gabazine are allosteric inhibitors of channel opening of the GABAA receptor. Journal of Neuroscience 1997 Jan 15;17(2):625-34.
  3. ^ Yeung JY, Canning KJ, Zhu G, Pennefather P, MacDonald JF, Orser BA. Tonically activated GABAA receptors in hippocampal neurons are high-affinity, low-conductance sensors for extracellular GABA. Molecular Pharmacology 2003 Jan;63(1):2-8.
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Gabazine". A list of authors is available in Wikipedia.
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