This special issue is a companion to the meeting 'XVth International Symposium on Cholinergic Mechanisms', and is edited by Israel Silman, Marco Prado and Pascale Marchot. In the review articles, renowned researchers in the field capture key mechanisms of cholinergic neurotransmission, from genomic amplification of cholinesterase genes, splicing and post-translational modifications; features of the neuromuscular junction, implications of cholinergic circuitry that are relevant to addiction, anxiety and mood, to preclinical models, protein biomarkers, and clinical findings that are relevant to pathology, for example, developmental neurotoxicity. The broad variety of features reflects the impact of cholinergic mechanisms on many physiological events and emphasizes the importance of research in this area. This is the Preface for the special issue XVth International Symposium on Cholinergic Mechanisms.
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