Ibotenic acid

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Ibotenic acid, or ibotenate, also known as premuscimol or as (S)-2-amino-2-(3-hydroxyisoxazol-5-yl)acetic acid, is a naturally occurring α-amino acid found in certain Amanita mushrooms such as Amanita muscaria. It acts primarily as a potent glutamate receptor agonist and produces neurological effects. The compound is used as a brain-lesioning agent in scientific research. Ibotenic acid is a conformationally-restricted analogue of the excitatory neurotransmitter glutamate which acts as a non-selective agonist of glutamate receptors, strongly activating NMDA, group I and II metabotropic glutamate receptors, and weakly activating AMPA and kainate receptors. Taken systemically, it is a prodrug of muscimol, broken down by the liver into this more stable compound, which acts as a potent GABAA and GABAA-ρ receptor agonist. Although the compound's psychoactive effects are not well-understood, some researchers speculate that ibotenic acid itself may have stimulant-like properties. Ibotenic acid...

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