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Insight from Molecular dynamic simulation of reactive oxygen species in oxidized skin membrane

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dc.contributor.authorKumar, Surendra-
dc.contributor.authorYadav, Dharmendra Kumar-
dc.contributor.authorChoi, Eun-Ha-
dc.contributor.authorKim, Mi-Hyun-
dc.date.available2020-02-27T09:41:23Z-
dc.date.created2020-02-06-
dc.date.issued2018-09-05-
dc.identifier.issn2045-2322-
dc.identifier.urihttps://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/3320-
dc.description.abstractNon-enzymatic lipid peroxidation of the skin-lipid bilayer causes perturbations that affect the biomembrane structure, function, and permeability of reactive oxygen species (ROS). In the present study, we employed molecular dynamics simulations to study the effect of lipid peroxidation on the bilayer structural properties and permeability of various ROS. The oxidized skin-lipid bilayer was composed of ceramide, cholesterol, free fatty acid, and 5 alpha-hydroperoxycholesterol (5 alpha-CH). The simulation showed that, upon oxidation, the oxidized group (-OOH) of 5 alpha-CH migrates towards the aqueous phase and the backbone of 5 alpha-CH tilts, which causes the membrane to expand laterally. Measurements of the permeability of all ROS along the oxidized skin-lipid bilayer revealed a decreased breaching barrier for all the species as the degree of peroxidation increased, with a resulting easy passage across the membrane. The insights from the simulations indicate that lipid peroxidation might perturb the membrane barrier, thereby inflicting oxidative stress that leads to apoptosis. This study helps to understand oxidative stress at the atomic level. To our knowledge, this is the first reported molecular dynamics simulation study on oxidized skin-lipid bilayer and permeability of ROS.-
dc.language영어-
dc.language.isoen-
dc.publisherNATURE PUBLISHING GROUP-
dc.relation.isPartOfSCIENTIFIC REPORTS-
dc.subjectCATALYZED LIPID-PEROXIDATION-
dc.subjectSTRATUM-CORNEUM-
dc.subjectSINGLET OXYGEN-
dc.subjectPHOSPHOLIPID-BILAYERS-
dc.subjectBARRIER FUNCTION-
dc.subjectHYDROGEN-PEROXIDE-
dc.subjectEFFECTOR ACTION-
dc.subjectCHOLESTEROL-
dc.subjectGROMACS-
dc.subjectCHROMATOGRAPHY-
dc.titleInsight from Molecular dynamic simulation of reactive oxygen species in oxidized skin membrane-
dc.typeArticle-
dc.type.rimsART-
dc.description.journalClass1-
dc.identifier.wosid000443745700053-
dc.identifier.doi10.1038/s41598-018-31609-w-
dc.identifier.bibliographicCitationSCIENTIFIC REPORTS, v.8-
dc.identifier.scopusid2-s2.0-85053014763-
dc.citation.titleSCIENTIFIC REPORTS-
dc.citation.volume8-
dc.contributor.affiliatedAuthorKumar, Surendra-
dc.contributor.affiliatedAuthorYadav, Dharmendra Kumar-
dc.contributor.affiliatedAuthorKim, Mi-Hyun-
dc.type.docTypeArticle-
dc.subject.keywordPlusCATALYZED LIPID-PEROXIDATION-
dc.subject.keywordPlusSTRATUM-CORNEUM-
dc.subject.keywordPlusSINGLET OXYGEN-
dc.subject.keywordPlusPHOSPHOLIPID-BILAYERS-
dc.subject.keywordPlusBARRIER FUNCTION-
dc.subject.keywordPlusHYDROGEN-PEROXIDE-
dc.subject.keywordPlusEFFECTOR ACTION-
dc.subject.keywordPlusCHOLESTEROL-
dc.subject.keywordPlusGROMACS-
dc.subject.keywordPlusCHROMATOGRAPHY-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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