Journal
BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES
Volume 1858, Issue 10, Pages 2498-2511Publisher
ELSEVIER
DOI: 10.1016/j.bbamem.2016.03.031
Keywords
Oxidized phospholipids; Molecular dynamics; Coarse-grained; Free energy; Water permeation; Lipid mixing
Categories
Funding
- CNPq-Brazil [234433/2014-0]
- FAPESP [2012/50680-5]
- CNPq
- Lundbeckfonden Young Investigator Grant
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [12/50680-5] Funding Source: FAPESP
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Biological membranes and model lipid systems containing high amounts of unsaturated lipids and sterols are subject to chemical and/or photo-induced lipid oxidation, which leads to the creation of exotic oxidized lipid products (OxPLs). OxPLs are known to have significant physiological impact in cellular systems and also affect physical properties of both biological and model lipid bilayers. In this paper we (i) provide a perspective on the existing literature on simulations of lipid bilayer systems containing oxidized lipid species as well as the main related experimental results, (ii) describe our new data of all-atom and coarse -grained simulations of hydroperoxidized lipid monolayer and bilayer systems and (iii) provide a comparison of the MARTINI and ELBA coarse grained force fields for lipid bilayer systems. We show that the better electrostatic treatment of interactions in ELBA is able to resolve previous conflicts between experiments and simulations. This article is part of a Special Issue entitled: Biosimulations edited by Ilpo Vattulainen and Tomasz Rog. (C) 2016 Elsevier B.V. All rights reserved.
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