gamma-aminobutyric acid receptor and glutamate-gated chloride channel

The requested target, 'gamma-aminobutyric acid receptor and glutamate-gated chloride channel,' is problematic and does not represent a single, valid molecular entity. It incorrectly conflates two distinct, unrelated ligand-gated chloride channel families: the Gamma-aminobutyric acid type A (GABA_A) receptor and the Glutamate-gated chloride (GluCl) channel. The GABA_A receptor is a pentameric ligand-gated chloride channel found predominantly in mammalian central nervous tissue, mediating fast synaptic inhibition via chloride influx in response to GABA. It is the primary target for benzodiazepines, barbiturates, and numerous anesthetics, with diverse subunit composition conferring distinct pharmacological properties. The GluCl channel, in contrast, is a pentameric, ligand-gated chloride channel primarily found in invertebrates (e.g., nematodes, insects) but absent in vertebrates. It mediates inhibitory neurotransmission in response to glutamate binding and is the molecular target for macrocyclic lactone anthelmintic drugs such as ivermectin, which bind allosterically to activate chloride conductance, leading to paralysis and death of parasites. These two channel families differ significantly in molecular details, pharmacology, physiology, species distribution, and therapeutic relevance, and should be treated as separate targets for structured data.

Other names

GABA_A receptorGABA receptorGABA chloride channelGluClglutamate receptor-chloride channelglutamate receptor subunit GLC-1

For GABA_A receptors: Positive allosteric modulation (e.g., benzodiazepines), direct agonism/antagonism (e.g., muscimol, bicuculline), channel blockade, anesthetic potentiation, and direct opening by agonists. For GluCl channels: Allosteric activation and potentiation (e.g., ivermectin) leading to inhibition of neurotransmission via chloride influx, resulting in hyperpolarization and paralysis, as well as direct agonism (glutamate).