Muscimol

Muscimol

CAT N°: 13667
Price:

From 109.00 92.65

The amino acid ?-aminobutyric acid (GABA) is an inhibitory neurotransmitter that acts through two families of heteromeric ligand-gated ion channels, GABAA and GABAC and a G protein-coupled receptor, GABAB. Muscimol is a full GABAA agonist and partial GABAC agonist. It binds GABAA on both high- and low-affinity sites (Kd = 10 and 270 nM, respectively), stimulating chloride efflux with an EC50 value of 200 nM.{18163} Benzodiazepines enhance the effects of muscimol via GABAA without altering its binding.{18163,18162} Muscimol activates GABAC receptors with an EC50 value of 1.3 ?M.{18156} It also acts as an inhibitor of GABAA uptake and a substrate for the GABA-metabolizing enzyme GABA transaminase.{17741} Muscimol impairs memory formation and retrieval in mice and attenuates airway constriction in guinea pigs in vivo.{18159,18160}

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