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Is the sigma-1 receptor a potential pharmacological target for cardiac pathologies? A systematic review

Lewis, Rebecca, Li, Jiaqi, McCormick, Peter, L-H Huang, Christopher and Jeevaratnam, Kamalan (2019) Is the sigma-1 receptor a potential pharmacological target for cardiac pathologies? A systematic review IJC Heart & Vasculature, 26.

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Abstract

Sigma-1 receptors are ligand-regulated chaperone proteins, involved in several cellular mechanisms. The aim of this systematic review was to examine the effects that the sigma-1 receptor has on the cardiovascular system. The interaction targets and proposed mechanisms of action of sigma-1 receptors were explored, with the aim of determining if the sigma-1 receptor is a potential pharmacological target for cardiac pathologies. This systematic review was conducted according to the PRISMA guidelines and these were used to critically appraise eligible studies. Pubmed and Scopus were systematically searched for articles investigating sigma-1 receptors in the cardiovascular system. Papers identified by the search terms were then subject to analysis against pre-determined inclusion criteria. 23 manuscripts met the inclusion criteria and were included in this review. The experimental platforms, experimental techniques utilised and the results of the studies were summarised. The sigma-1 receptor is found to be implicated in cardioprotection, via various mechanisms including stimulating the Akt-eNOS pathway, and reduction of Ca2+ leakage into the cytosol via modulating certain calcium channels. Sigma-1 receptors are also found to modulate other cardiac ion channels including different subtypes of potassium and sodium channels and have been shown to modulate intracardiac neuron excitability. The sigma-1 receptor is a potential therapeutic target for treatment of cardiac pathologies, particularly cardiac hypertrophy. We therefore suggest investigating the cardioprotective mechanisms of sigma-1 receptor function, alongside proposed potential ligands that can stimulate these functions.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Veterinary Medicine
Authors :
NameEmailORCID
Lewis, Rebeccarebecca.lewis@surrey.ac.uk
Li, Jiaqi
McCormick, Peterp.mccormick@surrey.ac.uk
L-H Huang, Christopher
Jeevaratnam, Kamalank.jeevaratnam@surrey.ac.uk
Date : 28 December 2019
DOI : doi.10.1016/j.ijcha.2019.100449
Uncontrolled Keywords : Cardiac pharmacology; Sigma receptors; Ion channels Cardioprotection
Depositing User : James Marshall
Date Deposited : 28 Jan 2020 16:22
Last Modified : 28 Jan 2020 16:22
URI: http://epubs.surrey.ac.uk/id/eprint/853460

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