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Chemically Induced Phospholipid Translocation Across Biological MembranesAnwar, Jamshed, Onike, Olajide I., Gurtovenko, Andrey A. January 2008 (has links)
No / Chemical means of manipulating the distribution of lipids across biological membranes is of considerable interest for many biomedical applications as a characteristic lipid distribution is vital for numerous cellular functions. Here we employ atomic-scale molecular simulations to shed light on the ability of certain amphiphilic compounds to promote lipid translocation (flip-flops) across membranes. We show that chemically induced lipid flip-flops are most likely pore-mediated: the actual flip-flop event is a very fast process (time scales of tens of nanoseconds) once a transient water defect has been induced by the amphiphilic chemical (dimethylsulfoxide in this instance). Our findings are consistent with available experimental observations and further emphasize the importance of transient membrane defects for chemical control of lipid distribution across cell membranes
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Defect-Mediated Trafficking across Cell Membranes: Insights from in Silico ModelingGurtovenko, Andrey A., Anwar, Jamshed, Vattulainen, I. January 2010 (has links)
No / Review article. No abstract.
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