Affiliation:
1. Department of Pharmacology, University College London, Gower Street, London WC1E 6BT, U.K.
Abstract
Nicotinic acetylcholine receptors (nAChRs) are a diverse family of neurotransmitter-gated ion channels which contain five transmembrane subunits arranged around a central pore. Distinct receptor subtypes are expressed at the vertebrate skeletal neuromuscular junction, in mechanosensory cells and within the central and peripheral nervous systems. A total of 17 nAChR subunits (α1–α10, β1–β4, γ, δ and ∊) have been identified in vertebrate species, which can co-assemble to generate a wide variety of nAChRs. Nicotinic receptors also constitute an abundant and diverse family of receptors in invertebrates. As a consequence of studies which have been conducted with both native and recombinant nAChRs, the subunit composition of nAChRs and the rules governing subunit co-assembly are becoming clearer. In this paper the extent of nAChR subunit diversity and evidence for receptor subunit composition is reviewed.
Cited by
189 articles.
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