Central nervous system neurotransmitter receptors and ion channels

Central nervous system (CNS) neurotransmitter receptors and ion channels represent a diverse superfamily of proteins that mediate signal transduction in the brain and spinal cord. This category includes ligand-gated ion channels (ionotropic receptors), G protein-coupled receptors (metabotropic receptors), and voltage-gated ion channels, which together regulate neuronal excitability and synaptic plasticity (Purves et al., Neuroscience, 2018). These proteins are the primary targets for a vast array of pharmacological agents used to treat psychiatric and neurological disorders, including depression, schizophrenia, and epilepsy (Goodman & Gilman's The Pharmacological Basis of Therapeutics, 2017). Because this term describes a broad functional class rather than a single molecular entity, it is considered a collective grouping in drug discovery and pharmacology. Therapeutic intervention typically requires high selectivity for specific subtypes within this group to minimize widespread off-target effects in the CNS, such as respiratory depression or cognitive dysfunction (StatPearls, Physiology, Neurotransmitters, 2023).

Other names

CNS neurotransmitter receptorsCNS ion channelsNeuroreceptorsCentral nervous system receptors

Agonism, antagonism, and allosteric modulation of various neurotransmitter-gated and voltage-gated proteins.