Journal
PROGRESS IN NEUROBIOLOGY
Volume 68, Issue 5, Pages 341-360Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0301-0082(02)00106-5
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Neuronal nicotinic acetylcholine receptors (nAChR), composed of 12 subunits (alpha2-alpha10, beta2-beta4), are expressed in autonomic ganglia, playing a central role in autonomic transmission. The repertoire of nicotinic subunits in autonomic ganglia includes alpha3, alpha5, alpha7, beta2 and beta4 subunits. In the last 10 years, heterologous expression studies have revealed much about the nature of neuronal nAChRs. However, there is only limited understanding of subunit actions in autonomic system. Functional deletions of subunit by gene knockout in animals could overcome these limitations. We review recent studies on nAChRs on autonomic ganglia for physiological and pharmacological properties and potential locations of the subunits. (C) 2002 Published by Elsevier Science Ltd.
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