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SUMOylation and calcium signalling: potential roles in the brain and beyond

Coelho-Silva, L., Stephens, G. J. and Cimarosti, H. (2017) SUMOylation and calcium signalling: potential roles in the brain and beyond. Neuronal Signaling, 1 (3). NS20160010. ISSN 2059-6553

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To link to this item DOI: 10.1042/NS20160010

Abstract/Summary

Small ubiquitin-like modi er (SUMO) conjugation (or SUMOylation) is a post-translational protein modi cation implicated in alterations to protein expression, localization and func- tion. Despite a number of nuclear roles for SUMO being well characterized, this process has only started to be explored in relation to membrane proteins, such as ion channels. Cal- cium ion (Ca2+) signalling is crucial for the normal functioning of cells and is also involved in the pathophysiological mechanisms underlying relevant neurological and cardiovascu- lar diseases. Intracellular Ca2+ levels are tightly regulated; at rest, most Ca2+ is retained in organelles, such as the sarcoplasmic reticulum, or in the extracellular space, whereas depolarization triggers a series of events leading to Ca2+ entry, followed by extrusion and reuptake. The mechanisms that maintain Ca2+ homoeostasis are candidates for modulation at the post-translational level. Here, we review the effects of protein SUMOylation, including Ca2+ channels, their proteome and other proteins associated with Ca2+ signalling, on vital cellular functions, such as neurotransmission within the central nervous system (CNS) and in additional systems, most prominently here, in the cardiac system.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Centre for Integrative Neuroscience and Neurodynamics (CINN)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > School of Pharmacy > Division of Pharmacology
ID Code:71407
Publisher:Portland Press

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